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Ground Radar

British Types

Type

Function

Power (Peak)

Pulse Width

PRF

Freq

Notes

AMES 1

CH

1Mw

5-45uS

12.5, 25, 50

22.7-29.7MHz

Figures for later modifications. Earlier systems had 200KW and 800KW outputs. Some systems designed for 42.5-50.5MHz. First experimental systems used NT46, then NT57 Then BTH Type 43 or 45 Demountable valves. Earlier stations had powers from 450-750Kw. T3026 reported as 450Kw, 5-40uS; T3026A 750Kw. May have used transmitters from MB series. Could do Height Finding from 1.5 to 16 Deg. Targets lower than 1 Deg are not detected.

2

CHL

150Kw

3

400

200MHz

PRF Variable around 400. When on 200’ tower or on 200’ cliffs, range on target at 500’ is 110 miles. Aerial is a 5 bay, 4 stack of dipoles . Horizontal angle of beam about 20 Deg.

3

CH/CHL

Types 1 & 2 in close proximity operating as one unit.

4

CO

Overseas Chain Home. Also known as Intermediate CO, or CO/ICH

5 Mk1

COL

Chain Overseas Low. A version of type 2 for use overseas, but a few were installed in the UK.. Mk1 prior to AMES 530. Hand turned.

5 Mk2A

COL

From equipment No 531. Used a gantry, and was power turned.

5 Mk2B

COL

As type 5 Mk2A, but using towers.

6 Mk1

LW

85Kw

176MHz

Converted ASV Radar. Early Light Warning Set, sometimes Early Light Warning. Prototype had range of 18 miles. Two built after prototype had range of 25 Miles at 6000’, 18 Miles at 2000’. Transportable. Used as Early warning and/or as Locating Radar for 3GHz Gun Control Radar. RAF version usually tented; Army version usually in trucks. In use Crete 1941.

6 Mk2

LW

85Kw

176MHz

Light Warning Set. Also known as AA No 4 Mk2. Also known as Type 5124, Transportable Radio Installation. Transportable or Mobile.

6 Mk3

LW

85Kw

176MHz

Light Warning Set. Also known as AA No 4 Mk3. Transportable or Mobile.

6 Mk4

LW

85Kw

176MHz

Mk2 modified to work on a lower frequency. Transportable or Mobile.

6 Mk5

LW

85Kw

176MHz

High Frequency Light Warning Set using a multiple Yagi Aerial. Mobile version only.

6 Mk6

LW

85Kw

176MHz

High Frequency Light Warning Set using a parabolic dish Aerial. Mobile version only.

6 Mk7

LW

85Kw

176MHz

Light Warning Set. Air Transportable. modified for GCI, using AMES Type 8A Aerial.

6 Mk8

LW

85Kw

176MHz

As Mk7, but using an Aerial from SCR 636.

6 Mk9

LW

85Kw

176MHz

Uses Mk 3 equipment and associated communications equipment mounted on a Morris 4x4 vehicle (RVT 430D), and Jeep (RVT 430E)

6 Mk10

LW

85Kw

176MHz

Mobile Air Transportable System. TRE version of Mk9.

6 Mk11

LW

85Kw

176MHz

As Mk8, but using Steel Gantry instead of Aerial Trailer.

7

GCI

80-100Kw

3,5 or 8uS

300-540

192-209MHz

Final static GCI radar known as Happidrome. Effective Range 90 miles. Aerial 30’ x 25’ comprising three separate aerials at 7.5’, 12.5’, & 25’.Can combine these or use separate. Rotates at up to 8 RPM. Can detect a target at 1000’ at 30 Miles. Transmitter is a CHL type. Height finding between 2.5 and 20 Deg.

8

GCI/CHB

209MHz

Interim GCI Radar. Superseded by Type 7 (static) and Type 15 (Mobile) Some produced at 250-300Mhz as an insurance against jamming. Mobile with Trailer. GCI Mobile Mk3 with Hand turned Aerials.

8A

GCI/CHB

209MHz

Transportable or Semi static. GCI Intermediate Mobile with Hand turned Aerial, hutted operations and Transmitter rooms.

8B

GCI/CHB

209MHz

Transportable. Additional 35’ Aerial mounted on Gantry.

8C

GCI/CHB

209MHz

Had 10’ Aerial array as 8F, and extra single array at 35’ high to increase range on low flyers. Used CHL TX T3079.

8E

GCI/CHB

209MHz

This was the basis for the first Type 15’s.

8F

GCI/CHB

150Kw

209MHz

Believed known as “GCI Mk4”. Max range 60 Miles. TX developed from Type 2. Height Finding effective between 4 and 20 Deg. Accuracy 50’ up to 45,000’ altitude. Power turned Aerial up to 6 RPM. Aerial was known as the ten foot array, four bays of 8 Dipoles. Instrumented Range 45 Miles.

9(T)

MRU

300Kw

40-50MHz

Mobile Radio Unit. Smaller CH system used as gap filler, and before main stations were built 105’ tower to support aerials.. Used as buried reserve at CH stations. Also used overseas. Later versions had four lines of shoot.

9Mk1

MRU

300Kw

42.5-43.75MHz

Transportable or mobile installation with trailers. All round looking. Called TRU or MRU.

9Mk2

MRU

300Kw

40-50MHz

Special arrays fitted to Mk1 with hutted CRDF receiver.

9Mk3

MRU

300Kw

40-50MHz

Similar to Mk2 with CRHF Receiver.

9Mk4

MRU

300Kw

40-50MHz

Special arrays on ACH towers (TX) Hutted transmitter and CRHF receiver. Abandoned.

9Mk5

MRU

300Kw

40-50MHz

Mobile version of Mk3.

9Mk6

MRU

300Kw

40-50MHz

Special Receiver arrays on 105’ masts with CRHF and Receiver 1426.

10

ACO

40-50MHz

Advance Chain Overseas. Overseas version of Type 9, both static and mobile versions. Used 125’ towers, four lines of shoot.

VEB

Height Finder

200MHz

Used a vertical stack of 56 end fed dipoles on a CH tower. Beamed a fan pattern vertically swung to various elevations by phase changes between Dipoles.

11Mk1

CHL/GCI

50Kw?

4

500

565MHz

Mk1 was mobile. Output Device is NT99. Mobile sets as standby if the 200MHz band was jammed. 600MHz was used by Germany.. Later versions from Mk5 Were coherent. First versions had rotary spark gap modulator. Horizontal beam 4 Deg, Vertical 11 Deg.

11Mk2(T)

CHL/GCI

50Kw?

4

500

500-600MHz

MGRI 5193. Included two radar vehicles. Prime mover had operations building with aerial as trailer. Mobile or Mobile with Trailer Standby. Tuneable over 50-60cm. Used display units DU3 or DU58.

11Mk2(M)

CHL/GCI

50Kw?

4

500

500-600MHz

MGRI 5299 Similar to Mk2(T) except aerial mounted on prime mover.

11Mk3

CHL/GCI

50Kw?

4

500

500-600MHz

Mobile with Universal operations room with display unit type 5 and later consuls type 15 & 16.

11Mk4

CHL/GCI

50Kw?

4

500

500-600MHz

Mobile with Universal Operations room with TX T3585 and Receiver R.3575 in RV435 with dismountable aerial and cabin.

11Mk5

CHL/GCI

50Kw?

4

500

500-600MHz

Similar to Mk3, but coherent pulse.

11Mk6

CHL/GCI

50Kw?

4

500

500-600MHz

Similar to Mk4, but coherent pulse.

11Mk7

CHL/GCI

50Kw?

4

500

500-600MHz

Similar to Mk4, but with TX T3605 and RX R3575.

11Mk8

CHL/GCI

50Kw?

4

500

500-600MHz

Coherent Pulse. Demonstrated PICAO in 1946.

12Mk1

CHL/COL

125MHz

Low frequency transportable. CHL modified to work on 125MHz.

12Mk2

CHL/COL

80-100Kw?

192-209MHz

Called Red Queen. A modified version of Type 15Mk2(M) for GCI special purposes.

13Mk1

Height Finder

CMH Mk1

500Kw

0.6 or 1.9uS

500

3GHz

Only 13 made. Used twin parabolic dishes. Based on 277. Also known as CMH. Nodding Height finder. First versions were not very successful and were initially used for low angle detection fixed at 2.5 degrees. Aerial was twin parabolic cheese 20’ x 18”. Beam widths 1.75 x 6.5 Deg. Could nod between -1 and +20 Deg. Range 60 miles, at which it was accurate to 500’.

13Mk2

Height Finder

CMH Mk2

500Kw

0.6 or 1.9uS

500

3GHz

Had vertical cheese aerial. Used NT277A equipment with power turning. Comprised a convoy of vehicles MK2(M) was mobile. Mk2-4 used Double cheese aerial 20’ x 18” each.

13Mk3

Height Finder

CMH Mk3

500Kw

0.6 or 1.9uS

500

3GHz

Aerial vehicle as Mk2, Had different operations vehicle using Display Unit 5 or console 15 or 16.

13Mk4

Height Finder

CMH Mk4

500Kw

0.6 or 1.9uS

500

3GHz

Improved Mk3?

13Mk5

Height Finder

CMH Mk5

500Kw

0.6 or 1.9uS

500

3GHz

IMk4 with improved Aerial Vehicle. Mk 5 and subsequent used cylindrical aerial made up of 0.5” tubing at 1.25” centres. Size 20’ x 5’6”. Nods from -1 to +20 degrees. Beam width is 1.25 x 5 Deg.

14Mk1

500Kw

0.6 or 1.9uS

500

3GHz

Based on 277. Became Type 51. Kk1 -5 had cheese aerial, 20’ x 3’ From 400’ cliff will spot all targets above 0.01 Deg elevation.

14Mk2

500Kw

0.6 or 1.9uS

500

3GHz

Became the Type 57. Based on 277.

14Mk3

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

Also known as MGRI 5554. Fully mobile version of Mk1 with power turned double Horizontal cheese aerial, 20’ x 18.5”. Used TR3561. Separate operations vehicle with DU3 or DU58, or separate buildings with DU58. Horizontal beam 1.75 Deg, vertical 6.5 Deg. Could transmit in phase or out of phase between aerials to give low or high cover.

14Mk4

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

As Mk3, but with DU5 or Console 15 or 16.

14Mk5

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

As Mk4, but universal operations vehicle.

14Mk6

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

Improved aerial vehicle. MK 6 had cylindrical aerial with 0.5: tubing at 1.25” centres, 25’ x 8’. Had high angle beam.

14Mk7

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

Mk7 had low angle beam.

14Mk8

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

Mk8 had high angle beam. Updated Mk 6.

14Mk9

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

Mk9 had low angle beam. Updated Mk7.

14A

GCI

3GHz

Modified SCR 615 with 10’ x 7’ parabolic aerial.

15Mk1

GCI

80-100Kw

3,5 or 8uS

300-540

192-209MHz

Successor to Type 8. Interim GCI.

15Mk2

GCI

80-100Kw

3,5 or 8uS

300-540

192-209MHz

Mk1 that could work at three switchable frequencies

15Mk3

GCI

80-100Kw

3,5 or 8uS

300-540

192-209MHz

Mobile. Used high power transmitter T3589. A variable frequency version was projected using T3255 or T3263..

15Mk4

GCI

80-100Kw

3,5 or 8uS

300-540

192-209MHz

Mk2 with T3154 in Aerial vehicle, in addition to T3079 in RV405.

16

Fighter Direction

100Kw

500

500-600MHz

Fighter Direction Station. Four in this country and one in Malta. FGRI 5540. Originally designed to control fighter sweeps over France. Often used with type 24. 30’ Parabolic dish sweeps at up to 11 Deg per second. 3 Deg beam width. Vibrating Dipole to give vertical coverage nods 14 times per second over 6 Deg. Gives vertical cover approaching 10 Deg. 150-200 Mile range below 1.5 Deg, 120 above. Used NT99 Transmitter. Height finding between 2.5-10 Degrees.

17

Fighter Direction

Type 16 on other frequencies. Abandoned.

18

CHL/GCI

Modified Type 11Mk2 (H) with height finding. Abandoned.

19

GCI

255-295MHz

Final Standby Type.. Anti Jamming Standby for fixed GCI on spot frequencies in 255-295 band, with interception and reporting facilities.

20MK1

DMH

590MHz

FGRI 5537. Height Finder developed from Type 16. Parabolic Aerial 30’ x 12’. Only one built. Type 24 was developed from it. A static 590MHz height finding Radar to be used with fixed GCI. Beam was 4.5 x 9 Deg.

20MK2

DMH

590MHz

Was to have been a transportable version of the MK1, but abandoned.

21MK1

Tactical Control

FGRI 5258. Comprised Type 14MK3M and Type 13 MK2 equipment as a fixed site. Radars mounted on plinths.

21MK2

Tactical Control

5 vehicle convoy comprising Type 13 & 14, Control Centre and two Diesel generators. Mobile. Used Type 14Mk3 and 13MK2 equipment.

21MK3

Tactical Control

As Mk2.. but Used Type 13MK3.

21MK4

Tactical Control

As MK 2, but used Type 13MK4

21MK5

Tactical Control

As MK 2, but used Type 14Mk6 and Type 13MK5

22 MK1

GCI/COL

Similar to Type 21 using Type 11 Mk2 (T) or (M) & 13 Mk2 (M) Known as MGRI 5579.

22 MK2

GCI/COL

Comprises Type 11 Mk2 (T) or(M) & 13 Mk3 (M).

22 MK3 (M)

GCI/COL

Comprises Type 11 Mk2 (M) & 13 Mk4 (M).

22 MK4 (M)

GCI/COL

Comprises Type 11 Mk4 (M) & 13 Mk5 (M).

22 MK5 (M)

GCI/COL

Comprises Type 11 Mk5 (M) & 13 Mk4 (M).

22 MK6 (M)

GCI/COL

Comprises Type 11 Mk6 (M) & 13 Mk5 (M).

22 MK7 (M)

GCI/COL

Comprises Type 11 Mk7 (M) & 13 Mk5 (M).

23

LOMAN

LOMAN Overseas. RAF Loran systems in North Africa which formed part of the European SS Loran system. Identical with AMEES Type 700. Type 23 name introduced for security reasons.

24

Height Finder

3GHz

Long Range static Height finder based on Type 13 Mk2, used with type 16, and MEW stations. FGRI 5595..

25

CHL

Experimental CHL. Combinations of Type 11, 13, 14, 15, in a convoy. Tried to effect economies in personnel.

26

GCI

3GHz

British version of American MEW. Two type 14 Radars with parabolic cylinder aerials for High and low looking. Used against V1’s. Type 24 used with it for heights.

27

GCI

3.35GHz

Air transportable.

28

CMH

3.35GHz

Height-finder. Air Transportable. Twinned with Type 27. ATRI 5635. Version of type 13. Can also be used as an independent GCI in mountainous country.

29

CHEL

Air Transportable. Abandoned

30

CD/CHL

200MHz

CD No 1 MK3. A static installation at Admiralty stations only

31

CHEL

3Ghz

CD No 1 MK5. Equipment housed in Wooden Hut, Gibson Box. Parabolic Dish Aerial.

32

CHEL

3Ghz

CD No 1 MK6. Planned to be Nissan hut straddled by CD/CHL Gantry supporting power driven Aerial, but no stations built. Low power Transmitter.

33

CHEL

3Ghz

CD No 1 MK6. Equipment housed in Brick built accommodation..

34

CHEL

200MHz?

CD No 1 MK6. 200’ Tower.

37

CHEL

3Ghz

CD No 1 Mk4. Trailer version. Mainly used as standby for other static types. Three sets only produced up to March 1944.

40

CD/CHL

200MHz?

Described as Type 30 with Medium Powered Transmitter?

41

CHEL

3Ghz

Type 31 with Medium Powered Transmitter.

42

CHEL

3Ghz

Type 32 with medium power transmitter. Non installed by 1945.

43

CHEL

3Ghz

Type 33with medium power transmitter. Non installed by 1945

44

CHEL

3Ghz

Type 34 with medium power transmitter..

45

Type No Not Used?

46

CHEL

3Ghz

Similar to Type 34, but with 7’6” parabolic aerial.

47

CHEL

3Ghz

Type 37 with medium power transmitter. Non installed by 1945.

48

CHEL

3Ghz

Mobile NT273(Q)L Navy set.

49

Type No Not Used?

50

CHEL

3Ghz

Static NT277S Navy set.

51

3GHz

Prototype of Type 14 Mk1. Only three built.

52

500Kw

2uS

1000

3GHz

Based on Navy 277. Power turned Circular dish on gantry over Nissan Hut. Version of CD No 1 Mk6**. Had high power transmitter. The Standard CHEL for the later war years.

53

500Kw

2uS

1000

3GHz

Based on Navy 277. Power turned Horizontal Cheese aerial on Gantry over hut?. Version of CD No 1 Mk6**.. High Power Transmitter. Only two built by March 1944

54a

500Kw

2uS

1000

3GHz

Based on Navy 277. Circular dish on 200’ tower with TX at top. Version of CD No 1 Mk6**. Nearly All Type 34’s converted to this by March 1944. Had High Power Transmitter.

54b

500Kw

2uS

1000

3GHz

Based on Navy 277. Circular dish on tower with TX in Nissan hut at base. Version of CD No 1 Mk6**. Nearly All Type 34’s converted to this by March 1944. Had High Power Transmitter.

55

500Kw

2uS

1000

3GHz

Based on Navy 277. Circular dish on 200’ platform of Type 1. TX in hut below. Version of CD No 1 Mk6**. High Power transmitter. 1 Operational, 2 nearly complete and three planned at March 1944.

56

500Kw

2uS

1000

3GHz

CD No 1 MK 6 (Tower) As type 46 but with High Power Transmitter and 10’ Parabolic Aerial One source says Based on Navy 277.

57

500Kw

2uS

1000

3GHz

Type 14 Mk 11(T). Admiralty NT277T Trailer set used in UK only. The designation Type 14 Mk 11(T) only applied to overseas versions after 1946.

58

Mobile NT277L Admiralty set. Similar to Army Gorgonzola AA No 4 Mk 5.

60

Medium Range Search

TPS-10. Known as “little Abner”. Lightweight medium range height finding set capable of 60 mile on bombers at 10000’. Cut parabolic reflector was 3’ x 10’

61 Mk1

Medium Range Search

1.3GHz?

TPS-1A 28cm Lightweight Radar for medium range detection. 90 miles on Bombers, 70 on Fighters. Aerial was 15’ x 4’ fed by horn with Dipole in it.

61 Mk2

Medium Range Search

1.3GHz?

TPS-1B (Assume its an improved TPS-1A.) Described as 24cm system. Range 120 miles on Bombers,

62

Portable Air Search

45Kw

4uS

232

400MHz??

TPS-2. 75cm Radar. Medium range. 75 miles on bombers at 10,000’.

63

200Kw

600MHz

TPS-3. Lightweight Warning Set (LWS), Known as “Dinner Wagon” 10’ Parabolic Antenna., with main equipment in a tent.

64 Mk1

Australian LW/AW Set

64 Mk2

Australian LW/GCI Set

65

Called “Dinner Wagon”. Combination of ^ Mk 3 and TPS-3 installed in a Horsa Glider. Another source says Combination of Types 6 & 23.??

66 Mk1

RAF Designation of Static SCR 615

66 Mk2

RAF Designation of Static SCR 615A

66 Mk3

RAF Designation of Static SCR 615B

67

Anti Aircraft Fire Control

250Kw?

0.8uS?

1707?

2.7-2.9GHz

Mobile SCR 584 modified for MRCP with kit AC 106. MGRI 5660??

68

Surface Watching

100-150Kw?

0.75uS?

1575?

3GHz?

Portable version of SCR 720 in Coast or Surface watching role.

69

TFS 9?? - TPS-9?

70

3GHz

Said to be combination of Type 26, (Two type 14’s) and several type 13’s. Mobile convoy comprising several Radars and control cabin, diesel generators etc.. 8 vehicles for Operations room; 2 for PPI Aerials; 2 for Height finders; 9 for power supplies; rest for communications & workshops. I built up to 1945, eventually 6 built, three retained post-war. Two Type 13’s Two type 14’s, one high cover, one low. Could handle 8 simultaneous interceptions

71

Tactical Control of Fighters using Transponders.

72

ACR

X Band

Transportable Airport Control Radar. ACR 111X. Two Separate Radars. At Defford July 1945. Two Aerials mounted back to back on a turntable, one 5’ Dia Parabolic for 25 Mile range and one 51 x 3’9” High Cosecant for 5 Mile Range. One source say 600mhz & 3GHz??

73

American GCA and British GCA?. Used type 72 and 74.

74

GCA

Precision Approach for GCA

75

IFF

IFF Mk 3.

76

GCI

Combination of Type 27 & 28.

77

GCI

Combination of Type 28 & 63.

78

GCI

Combination of Types 27, 28 & 75

79

Believed left to avoid confusion with Naval Type 79.

80 Mk1

Early Warning

1Mw

25uS

250

3GHz

Siemens Plessey. Originally known as Green Garlic. First equipment in use Trimmingham 1955.

80 Mk2

Fighter Control

1Mw

25uS

250

3GHz

Siemens Plessey.

80 Mk3

Early Warning & Fighter Control

2Mw

25uS

250

3GHz

Siemens Plessey.

81

Fighter Control

Not built. Done by 80 Mk2 & 3.

82

Tactical Control

1.5Mw

2

750

3GHz

Marconi. Originally known as Orange Yeoman. Tactical Control of Bloodhound missiles.

83

Guided Weapon Control

4/10GHz

BTH then Marconi. Originally known as Yellow River. Mobile tracking and Illuminating Radar for Bloodhound 1 missiles. Called stingray?. Two Radars involved in the equipment.

84

L Band Surveillance

2.5Mw

10

250

1.2GHz

Marconi. Aerial had two back to back parabolic aerials 60’ x 21’8”. One aerial was used for the radar with 8 horn feeds to give cosecant shape. Second aerial was designed to use IFF Mk 10, but was never used, a conventional Forward facing IFF was used.

85

High Power Early Warning

54Mw

10

250

2.75-3.25GHz

AEI, now Marconi. Originally known as Blue Yeoman. 12 Transmitters of at least4.5Mw each. Average of 12Kw. Could be 8Mw Peak, 20Kw average. Aerial was a parabolic at 60’ x 21’8”. Commissioned 1966-68. Fitted with Pulse Compression and Polariser about 1973.

86

Guided Weapon Control

10GHz

Ferranti. Originally known as Blue Anchor. Mobile Carrier wave Illuminator for Bloodhound 2 called Firelight. 2.1 Metre parabolic dish.

87

Balloon Borne Early Warning

600Kw

1.2uS

500

3GHz

Known as Blue Joker. Cancelled in 1960. See Separate entry.

87

Guided Weapon Control (Bloodhound 2)

Marconi. Originally this type number may have been allocated to Blue Joker, the balloon borne radar cancelled in 1960. Certainly applied to this Fire Control system later called Scorpion. Fixed tracking and illuminating radar for Bloodhound 2 missile. Preserved at Musselborough, Norfolk. Two radar systems on one base. Carrier Wave Doppler System.

88

Tactical Control Surveillance

1.3GHz

3GHz

Known as Green Ginger in conjunction with Type 89. Believed to be Marconi S330. Two antennas back to back, one D band one E/F band. E/F Band may be dual beam. Installed at Benbecula?

89

Tactical Control Height Finder

3GHz

Known as Green Ginger in conjunction with Type 89. Believed to be Marconi S404??

90

Early Warning & Fighter Control

3Mw?

10uS?

250

1.3GHz

Prototype type Marconi Martello. . One only produced. Trialed and then sold to “a middle Eastern Country”

91

Early Warning & Fighter Control

132Kw

150uS

250?

1.3GHz?

Marconi Martello. Type No S723A. 4 supplied to RAF. 5Kw average power. Was Used at Staxton until late 1997. 723A has 8 beams in elevation, 723C has 6. 500Km range.

92

Early Warning & Fighter Control

2.9-3.1Ghz

GE 592 Radar . two supplied to RAF. This is a version of the TPS-59, or the similar FPS117.

93

Early Warning & Fighter Control

1.2Mw

250

3GHz

Plessey AR320. 6 Supplied.. Used at Staxton. 96 linear arrays with 80 slots. 150Kw peak, 6Kw average. (One source says 24Kw average) 250Km range on 1 metre Squared target. Mean power 24Kw. 200 Mile range at 1.1Mw. Another version with 150Kw TX, range is 150 Miles.

94

Early Warning & Fighter Control

Plessey AR3D.

95

Early Warning & Fighter Control

Marconi S259. Known to have been deployed at Saxa Vord when the type 80 was being maintained.

96

Early Warning & Fighter Control

Made by GEC-Marconi. Two antennas back to back. Probably different frequency bands. Possibly Model S648 or similar?

99

Tactical Control

4Mw

6.5uS

250

2.9-3.1GHz

TPS-43 captured on Canopus Hill in the Falklands. Transportable system. Made by Westinghouse. 3D Radar with 6 beams in elevation over 20 degree. Range 260 miles. 16 frequencies. Linear beam Twystron output device. Successor to TPS-27. 6.7Kw mean power

100

Ground Based Beacon for “H” navigation system. Three versions: Fixed; Heavy Mobile; Light Mobile, (also capable of operating as a Gee chain for Gee-H)

101

Long Range tactical Control

150Kw

2.9-3.1GHz

Plessey AR 327 system. Built to ASR 918. Highly mobile. Can be carried by two Hercules or under-slung under a Chinook. Beamwidth 1.4 Degrees. Pulse compressed to 0.4 Secs. Instrumented range 470Km.

700

RAF Designation of LORAN.

7000

Gee Ground Stations

9000

OBOE Ground Stations.

AA No 1 Mk1

HAA Fire Control

60Mhz

Also Known as GL1 & GL1*. 5 metre wavelength.

AA No 1 Mk2

“Unseen Fire” & V2 Tracking

60MHz

Also known as GL2

AA No 2 Mk1,2

Searchlight Control

200MHz

AA No 2 Mk7,9

Searchlight Control with auto follow.

3GHz

AA No 3 Mk1

Fire Control

3GHz

Also Known as GL3C (Canadian).

AA No 3 Mk2

Fire Control

3GHz

Also Known as GL3B (British)

AA No 3 Mk3

Emergency Fire Control

200MHz

Also Known as “ Baby Maggie”. May have had auto follow.

AA No 3 Mk4

Fire Control with Auto Follow

3GHz

Prototype was called Glaxo, produced 1944, only limited production before the end of the war.

AA No 3 Mk5

Fire Control with Auto Follow

250Kw

0.8uS

1707

3GHz

SCR 584

AA No 3 Mk7

Fire Control with Auto Follow

3GHz

Made by BTH, then Marconi. Improved version of AA No 3 Mk4. Used for SAGW trials 1945 in 1945, trials abandoned 1946. Trials called Brakemine.

AA No 3 Mk9

Fire Control

Developed into Type 83.

AA No 4 Mk1

ZPI

200MHz

Used for early Warning.

AA No 4 MK2

Light Warning

200Mhz

AMES Type 6 Mk2

AA No 4 MK3

Light Warning

200Mhz

AMES Type 6 Mk3

AA No 4 Mk5

Gorgonzola

3GHz

Specially made for D Day.

AA No 4 Mk6

MZPI

3GHz

Tactical Control. Canadian equipment Microwave Zone Position Indicator (MZPI).

AA No 4 Mk7

Tactical Control

3GHz

Made by Metropolitan Vickers with Cossar for the MTI. Anglicised version of AA No 4 Mk6. First system with a successful Moving Target Indicator (MTI).

AA No 4 Mk8

British MPI

3GHz

Interim Tactical Control by Army.

AA No 5 Mk1

tactical Control

200MHz

AMES Type 7, used by Army.

AA No 7

Fire Control of Bofors Guns

Made by BTH. Used to control 40mm Bofers Guns. Known as Blue Diamond.

AA No 11

tactical Control

1.3GHz

3GHz

Made by Marconi. Mobile set with two parabolic dishes back to back on same mount. One low angle 3GHz, the other higher angle 1.3GHz. Same or similar to Type 88

AA No 12

Height Finder

Made by Marconi. This set works with AA No 11. Same or similar to Type 89.

ACR Mk1/ GCF Mk2

ACR

3GHz

GCF Mk2 renamed ACR Mk1. Modified GCF Mk1 with lower aerial. Basically an SCR 717B in a Bedford Signals Vehicle. 12 ordered, but order cancelled before delivery.

ACR Mk2/ GCF Mk3

ACR

3GHz

GCF Mk3 renamed ACR Mk2. Based on SCR 717B. More powerful than ACR Mk1, based on SCR 717B instead of 517B. Only one built.

ACR Mk3

ACR

10GHz

ACR Mk111X is Type 72. Two aerials back to back. One parabolic 5’ Dia for long range/low angle; one cosecant 5’ wide by 3’9” high for high angle.

ACR Mk4

Secondary Radar

3GHz/ 217MHz

Transmitted on 3 GHz, received signals from Trans[ponder on aircraft at 217 MHz.. Had a sidelobe suppression system.

ACR Mk5

GCA

First Ground Controlled Approach Radar. Prototype version.

ACR Mk6

GCA

First Production GCA. In service 1952. ACR Mk 6 & PAR together gave SRE, (surveillance Radar equipment). Described as CR787 with additional displays and processing.

ACR-7C

GCA

Mobile Short range Surveillance Radar.

ASM 1

Airport Surface Movement

Q Band

Built by Decca. Converted Marine radar. Only one built. Used at Heathrow.

Blue Joker

Balloon Borne Early Warning

600Kw

1.2uS

500

3GHz

Prototype Balloon borne Radar produced 1956. Tried at Drum, Carnarvonshire 1957/8. Cancelled 1960 in favour of Type 84 & 85 in Linesman programme. Some reports say it was Type 87. Aerial was 25’ x 8’. One report says TX was 3-5Mw. Range on Canberra 111 Miles.

Blue Riband

2.75-3.25GHz

Massive Anti-Jamming Radar, not proceeded with, but a smaller version became Blue Yeoman; Type 85. The concept had four parabolic Aerials at 90 Degrees to each other. Each Aerial would be parabolic at 75’ x 50’. Twelve beams each 0.5 Degree high from each aerial. 12 separate Transmitters each 4.5MW minimum power. Not proceeded with Cancelled 1958.

CA No 1 Mk1

Coast Artillery

200MHz

Prototype only. Never deployed operationally.

CA No 1 Mk2

Coast Artillery

70Kw

3GHz

Transmitter & receiver based on NT271, with displays from CA No 1 Mk1. Aerial was two separate 7’ Parabolic dishes. Had “split” or lobe switching for accurate direction finding.

CA No 1 Mk3

Coast Artillery

70Kw

3GHz

Transmitter & receiver based on NT271, with displays from CA No 1 Mk1. Aerial was two separate 7’ Parabolic dishes. Had “split” or lobe switching for accurate direction finding. Displays altered to have spiral timebase for ranging accurate to 25 yards.

CA No 1 Mk4

Coast Artillery

0.1uS

10Ghz

Known as Charlie. Believed only 6 built. 1 Deg beam scanned over a sector of 6 Deg Aerial was a single 12’ Parabolic dish, later changed to a “strip reflector”.

CD No 1 Mk5

Coast Defence

3GHz

Known as Gibson Box. Known to RAF as Type 31. Aerial was a single 7’ parabolic dish.

CD No 1 MK1

Coast Defence

200MHz

Believed Prototype only produced. Also led to AMES Type 2.

CD No 1 MK2

Coast Defence

90Kw

200MHz

Basically AMES Type 2

CD No 1 MK2*

Coast Defence

90Kw

200MHz

Basically AMES Type 2. Had concentric feeder cables replaced by twin-feeder.

CD No 1 MK3

Coast Defence

90Kw

200MHz

Basically AMES Type 2

CD No 1 Mk4

Coast Defence

3GHz

Separate TX and RX Parabolic Dishes.

CD No 1 Mk6

Coast Defence

3GHz

On 200’ Tower. Based on Navy 277. Many versions with different combinations of Transmitter, Aerial and ancillary equipment arrangements.

CA No 2 Mk1

Coast Artillery

3GHz

Same as CD No 1 Mk4,5 Used as Fire Commanders set at defended ports. Modified with an “accurate ranging unit”. Originally all supplied in Gibson Box, but some had the equipment from the box container taken out and re-sited in buildings.

CDU

Detecting U-Boats

Version of CD/CHL (AMES 2) specially sited to detect surfaced U-Boats.

Cervantes

Mortar & Rocket Locating

EMI.

Clarabel GS No20

Hostile Fire Location

CW

I/J Band

Racal/MESL. Known to Army as GS20. Carrier wave System.

CR21

GCA?

3GHz

Made by Cossar. Described as like CR787, but without Microwave preamplifier.

CR787

GCA?

3GHz

Made by Cossar

CR901

Medium Range

2Mw

D Band

Made by Cossar

Cymbeline FA No15

Mortar Locating

100Kw

10GHz

Mk1 is on a 4 wheel trailer, Mk2 is on a FV432. Mk1 delivered from 1973 & Mk2 from 1975. MK1 & 2 use a Foster Scanner. MK3 is electronically phase scanned. 10 Km range

DASR-1

Surveillance

2 x 800Kw

Made by Plessey. Back to back Aerials Range 110 Miles

DASR-3

Surveillance

2 x 2Mw

Made by Plessey. Improved DASR-1. Back to back Aerials Range 110 Miles

FA No 3 Mk1

Mortar Locating

3GHz?

Mortar Locator made out of American ASV parts. House on a small trailer. 32 made. Assisted with Crossing of the Rhine 1944.

Falconer

Precision Approach Radar. 5 stagger PRF. 2 Antennas, one vertical, one horizontal.

GCA MK2

GCA

MPN-1 S Band Radar for Area Control and two X Band for precision approach

GCF Mk1

ACR

3GHz

Prototype of ACR. Was a modified SCR 517B. Only one built

GL1

Gun Control

20Kw

3uS

1000

55-75MHz

Output Device is 2 x NT57. Separate TX & RX mobile cabins. TX had Omni directional Dipole. RX had two Dipoles and was rotatable. A Mr Bedford of Cossar designed a Height finding system. Which was known as the “Bedford Bastard”

GL2

Gun Control

30Kw

3uS

1000

55-75MHz

Output Device is 2 x NT57. Improved GL1. TX is now rotatable with directed beam. RX has better Height-finding system.

GL3A

Gun Control

SCR 584

GL3B

Gun Control

400Kw

1uS

400

3GHz

Prototypes were produced at 600MHz. First ten produced by BTH at Rugby. Separate TX & RX 1.22 Metre Dishes. One produced with 1.83 Metre dishes which was best system produced for accuracy until type 83 entered service. The “B” in the description stood for British built. Early models used E1267/CV41 , later Cv120. Early Modulator was CV22, then Rotary Spark Gap.

GL3C

Gun Control

400Kw?

1uS?

400?

3GHz

The “C” in the description means Canadian built. It was available marginally before the British System, (GL3B). This Radar usually was associated with a putting on Radar known as ZPI, Zone Position Indicator. ZPI was notorious for interfering with Long and Medium wave transmissions.

GL4

Gun Control

X Band

Reported as being a X Band development of GL3, - was it built?

Green Archer FA No8

Mortar Locating

EMI. Mk1 is on a 4 wheel trailer, Mk2 is fitted to FV432 or M113.

HF200

Height Finding

2.5Mw

5.5uS

220-230

3GHz

Made by Plessey. Nod rate 20/min for 36 degrees. Used for height Finding at many sites. Used in conjunction with type 80’s and 84’s.

Marconi 255

2.25Mw

1.3GHz

2D Radar. Cosecant Aerial 45’ long.

Marconi 624H

2Mw

1.25-1.365GHz

Described as a 604 with a 7.6 Metre Aerial.

Marconi 625H

2 x 2Mw

1.25-1.365GHz

Described as a 605 with a 7.6 Metre Aerial.

Marconi Mainstay

ATC

60uS

124uS

1.25-1.35GHz

Primary Radar for ATC. Dual beam 2D radar. Mean power 4Kw

Marconi Prowler

Surface Movement

250mW

low J Band

Infantry Radar.

Marconi S105

Coastal Defence

70Kw

3GHz

used in Rapier 2000 system.

Marconi S123

Early Warning

160Kw

6-12MHz

Over the Horizon Radar. Range on low flying aircraft 250Km, on high 500Km. 90 degree coverage in azimuth.

Marconi S244

Height Finding

3GHz

Marconi S247/S266

2.25Mw each

1.3ghz + 3GHz

Two Radars back to back. 2.25 Mw each. 247 is 3GHz

Marconi S255

2Mw?

1.3GHz

Single cosecanted aerial. 45’ aperture.

Marconi S259

Type 95.

Marconi S259

Tactical Control

2Mw

1.3GHz

Air portable Tactical control radar.

Marconi S264

Air Surveillance

2Mw

4uS

600

1.3GHz

Marconi S265

2.25Mw

3GHz

Back to Back Parabolic and cosecanted aerials. 45’ aperture.

Marconi S314

Coastal Defence

800Kw

3GHz

Range 40 miles. 8.8 x 3 Metre antenna.

Marconi S320

2. Mw?

Back to Back D Band Parabolic & Cosecanted Aerials 45’ aperture

Marconi S330

Tactical Control

1.3GHz

3GHz

RAF type 88 Radar?. Believed two scanners back to back one cosecant, one parabolic. Possibly the parabolic 3Ghz uses dual beam. Installed at Benbecula?. Is it the same thing as an AA No 11??

Marconi S404

Height Finder

Reported to be associated with S330 system as it’s height finder. Supplied to Iran. May be RAF type 89. Is it the same thing as AA No 12??

Marconi S470

SSR

500W,1Kw or 2kw

Secondary Surveillance Radar.

Marconi S505

Coastal Defence

20Kw

10GHz

Marconi S511

Airport Surveillance

650Kw

0.85uS

2.7-2.9GHz

Two beams. 6 period pulse stagger. Same thing as ASRS511.

Marconi S512

Airport Surveillance

Marconi S513

Air Surveillance

Described as Primary Surveillance Radar.

Marconi S600H

1Mw

3.2uS

600

3GHz

One source says S600 is C Band?

Marconi S604

Air Surveillance

2-3Mw

1.25-1.365GHz

Aerial 5.5 x 1.83 Metres.

Marconi S605

Air Surveillance

2 x 2-3Mw

1.25-1.365GHz

Aerial 5.5 x 1.83 Metres. 604 with second frequency.

Marconi S613

Height Finding

1Mw

5uS

300

5.3-5.4GHz

Output Device is a long anode block Magnetron. Transportable.

Marconi S614L

Low Cover

1Mw

3GHz

Marconi S630

Early Warning

2.3 Mw

2.25Mw

2.5-5uS

see notes

1.3GHz

3GHz

Back to Back E/F Band & D Band Aerials with two transmitters per aerial in frequency diversity.

Marconi S631

Early Warning

2.3 Mw

2.25Mw

2.5-5uS

see notes

1.3GHz

3GHz

L & S Band system back to back. Some models made with different transmitters of widely differing powers. Version shown has S2011 Transmitter at L band, S2012 at S band. PRF at L Band 220-750, at S band 200-600.

Marconi S635

1Mw

3GHz

Parabolic Aerial

Marconi S636

1Mw

3GHz

S635 with Cosecanted Aerial

Marconi S637

Height Finder

1Mw

G/H Band

Marconi S638

2Mw

1.3GHz

Cosecanted Aerial

Marconi S640

3D Air Defence

2 x 3Mw

10uS

176

223

323

3GHz

Based on 40 series. 3D Radar 12 stacked beams. Probably two transmitters of 3Mw each. Pulse frequency modulated for Pulse Compression. 323 PRF with no MTI. Short pulse + MTI is 233. Long Pulse + MTI is 176 PRF.

Marconi S647

Air Defence

2Mw

2.25Mw

1.3GHz

3GHz

Two Aerials back to back 3GHz and 1.3 GHz. Used SA116 45’ aerials.

Marconi S647

Air Defence

2Mw 2.25MW

1.3ghz

3GHz

E/F & D Band Back to Back Aerials. Type SA116 Single curvature Aerial and Linear feeds. 45’ Aperture S2012 TX and S2011

Marconi S649

Air Defence

1.3GHz

3GHz

Two parabolic aerials back to back. 2D Radar. Installed at Saxa Vord 1979-1993, together with HF 200 for height finding. Three transmitters, one D band, and two for dual beams at E/F Band.

Marconi S650

Terminal Area Surveillance

0.5Mw

3-4uS

580- 610MHz

PRF 250-400. At 4uS. 400-480 at 3uS. Aerial Parabolic for long range. Output Device is a Klystron fed by a TWT.

Marconi S650H

Terminal Area Surveillance

0.5Mw

3-4uS

580- 610MHz

PRF 250-400. At 4uS. 400-480 at 3uS. Aerial Shaped for high elevation coverage. Output Device is a Klystron fed by a TWT. Range 150 miles.

Marconi S654

Surveillance

2Mw

1.3GHz

Dual Beam System. 90 mile range.

Marconi S669

Height Finding

2.25Mw

2.5-5uS

200-600

3GHz

Models with lower power transmitters have been produced. Type shown uses S2012 Transmitter. 150 mile range.

Marconi S670

Terminal Area Surveillance

0.5Mw

3-4uS

580- 610MHz

PRF 250-400. At 4uS. 400-480 at 3uS. Aerial Parabolic for long range. Output Device is a Klystron fed by a TWT.

Marconi S690

Air Surveillance

1.3GHz

3GHz

Back to back E/F & D Band antennas. High power frequency agile transmitters.

Marconi S704

1.3GHz

Mobile 2D Radar. Single Curvature Antenna with Line feed. Long Range

Marconi S705

3GHz

Mobile 2D Radar. Single Curvature Antenna with Line feed. Long Range.

Marconi S706

3GHz

Mobile 2D Radar. Single Curvature Antenna with Line feed. Medium Range.

Marconi S711

3GHz

Mobile 2D Radar. Double Curvature Antenna. Short/Medium Range.

Marconi S712

Mobile 2D Radar. Double Curvature Antenna

Marconi S713

Early Warning

3Mw

10uS

250

1.3GHz

Early version was RAF Type 90. Has 60 lines. Uses Twystron tube as output device. Better height information than S723. 8 beams over 30 degree n elevation on receive. Generates ninth beam by summing the eight individual beams 10Kw average power. Pulse compressed to 0.25uS.

Marconi S723

Early Warning & Fighter Control

132Kw

150uS

250

1.3GHz?

RAF type 91. Marconi Martello.. Type No S723A. 4 supplied to RAF. 5Kw average power. Used at Staxton. &23A has 8 beams in elevation, 723C has 6. 500Km range. 3.75% duty cycle. Uses 40 modules to produce the power.

Marconi S743

1.3GHz?

Marconi S753

Transportable Tactical 3D Radar

1.3GHz

6 Receive beams in elevation. 130 MHz agile bandwidth. Aerial 6 x 5.1 Metres. Range on small fighter 400Km.

Marconi S763 LANZA

Long Range Warning

53.5Kw

1.3GHz?

Ordered by Spain 1994. Uses aerial of Martello with electronics from CESELAR LANZA. 32 modules give 5.35Kw average power.

Marconi S841

Coast Defence

9.3-9.5GHz

Marconi S842

Coast Defence

I/J Band

Has tuneable transmitter.

Marconi S858

Instrumentation & Tracking

200Kw

0.33uS

0.67uS

4400

1500

9.6-9.9GHz

Marconi ST850

Fire Control

Monopulse. 1 Metre dish. Uses a Sperry computer for blind fire control of guns.

Marconi ST850M

Tigercat Fire Control

Monopulse. 1 Metre dish. Contained in mobile cabin.

Marconi ST855/6

Range Instrumentation

Has facilities for Data Recording

Marconi ST857/8

Range Instrumentation

simplified 855/6 for connection to other instrumentation.

Marconi ST866

Surveillance

180Kw

8.6-9.5GHz

Average power 160 watts.

Marconi Surveyor

ATC

1Mw

0.5-3uS

500-1500

2.7-2.9GHz

Primary Radar for ATC. Mean power 1.5Kw.

Marconi Vilet

2.3Mw

6.6uS

300

1.2GHz

Marconi watchman

58Kw

0.4uS

20uS

2.75-3.05GHz

One o.4uS pulse followed by one 20uS pulse. Pulse compression on long pulse (50 to 1). 1.3Kw mean output.

MB1

Mobile?

400Kw

Early models used 2 x NT57, then 2 x NT57T. Transmitter of early Type 1 and mobile Radars.

MB2

Mobile?

30Kw

3uS

1000

50MHz

Early models used 2 x VT58., Then VT98. Some NT60’s also used in later systems. One source says used a T3018A TX 300Kw, 6-9 & 12-17uS. T3018B, similar with pulse width delectable from receiver. Possibly early Type I Transmitter??

MB3

Described as similar to MB2, with T3014 TX, with simplified control panel.

Norman

Mortar Locating

Experimental Mortar Locating Radar built on a half track. Two parabolic dishes back to back. One at 0 Degrees elevation; one at 30 degrees. Rotated at 60 RPM.

Orange Poodle

OTHR

1Kw

100uS

620

20-25MHz

OTHR prototype. Tested at Downberry 1952. Used 32 element broadside array, vertically polarised. Too susceptible to jamming from over the horizon. Abandoned.

Plessey ACR 430

Airport Control

2 x 50Kw

0.1uS

0.5uS

9.32GHz

two transmitters, two beams.

Plessey AR1

Early Warning & Fighter Control

650Kw each

1uS

700

2.75-3.05GHz

Two frequencies on line at once within range shown. Magnetron Output device.

Plessey AR15

Mobile Surveillance Radar

625Kw

1uS

700

2.88-3.02GHz

Developed from AR1. First produced 1972.

Plessey AR15/2

Surveillance Radar

625Kw

1uS

700

2.7-2.9 & 2.9-3.1GHz

Developed from AR1. Static version

Plessey AR320

Early Warning & Fighter Control

1.1Mw

250?

3GHz

7See Type 93.

Plessey AR325

Early Warning & Fighter Control

135Kw

200uS

270-1.4K

2.9-3.1GHz

Called Commander. Enhanced AR320. Pulse compressed to 0.4 sec’s from 200uS. Average power 70Kw.

Plessey AR326

Early Warning & Fighter Control

135Kw?

200uS?

270-1.4K?

2.9-3.1GHz?

Called Commodore. Enhanced AR325.

Plessey AR327

Mobile Early Warning

150Kw

2.7-3.1GHz

Installed in Containers. Can be transported as one C130 load.. AR320 series technology. RAF designation Type 101. Beamwidth 1.4 Degrees. Range 470Km.

Plessey AR3D

Early Warning & Fighter Control

1.1Mw

36uS

250

3GHz with 200Mhz LFM

Made by Plessey. 3D Radar. Two aerials supplied, one parabolic reflector with Mechanical scan in azimuth and Frequency in elevation. 200Mhz bandwidth. One planar with mechanical scan in azimuth and frequency in elevation.

Plessey AR5

Early Warning & Fighter Control

2Mw each

2-5uS

270-680

1250-1355MHz

Two frequencies at once within range shown. Can use two frequencies at once. (Two transmitters). 7 period stagger in pulses.

Plessey AWS-7

Coast Defence

3GHz

Derived from AWS-2

Plessey AWS-8A

Coast defence

Derivative of AWS-5. Has aerial derived from AWS-4

Plessey AWS-8B

Coast defence

Derivative of AWS-5. Has larger Aerial for longer range.

Plessey CDR 431

Coast Defence

2 x 50Kw

0.1uS

0.5uS

9.32GHz

Coast Defence Radar similar to 430. two transmitters, two beams. CDR 431M is a mobile version.

Plessey Guardsman

Coastal Defence/ Medium Range Radar

60Kw

G Band

3D Radar similar to AWS-6E TWT Amplifier

Possum

Local Air Defence

2.5Kw

8.5uS

94.5uS

3.1-3.3GHz

Developed from Rapier Search Radar.

Rapier

Search & Track Radar

3GHz

Made by Racal/Cossar for IFF. Original search radar. Range 12Km. Pulse Doppler Radar. Rotates once per sec.

Rapier 2000

Search & Track Radar

Marconi? Siemens Plessey? Called Dagger.

Rapier DN181

Missile Control

Marconi. Tracking radar for blindfire system.

VEB

200MHz

Vertical Elevation Beam. Used for height finding at time CHL introduced superseded by other methods of height finding and microwaves. Details unknown.

ZB 298 GS No14 Mk1

Short range Ground Surveillance

2-3W

I Band

Originally Range 50 -10,000 yards. Pulse Doppler. Range improved to 50 M to 20Km. One source says 2-3 watts?. Early version had 6Km range and was known as GS No 14 MK1 . Range has been increased in at least two stages to 20Km.

Ground Radar

American Types

Type

Function

Power (Peak)

Pulse Width

PRF

Freq

Notes

Nike Hercules Target or Missile Tracking

250Kw

0.25uS

500

10GHz

Made by Western Electric. Target or missile tracker.

Nike Hercules Missile Tracker

250Kw

0.25uS

2000

10GHz

Made by Western Electric. missile tracker.

Nike Hercules MTR (Ajax Mode)

140Kw

0.25uS

4000

10GHz

Made by Western Electric. Target or missile tracker.

AASR-804

Airport Surveillance

0.5Mw

2uS

360

1.3GHz

2D Radar. 150-200Mile range. Made by Raytheon. Vertical Beam width 4-40 Deg.

CPN-2A

SHORAN

30Kw

0.8uS

930

290-330MHz

Made by RCA.

CPN-3

Project 404A at Camp Evans Signal Laboratory 1943.

CPN-4

Precision Approach

45Kw

0.18uS

3300

9-9.16GHz

Made by Raytheon. Replaced bys FPN-62. Except Air transportable. Another Source says made by Gillfilan.

CPN-9

Weather Radar

250Kw

5uS

0.5uS

186

931

9.3GHz

Antenna is 7’ Parabolic dish. Range 250 Miles. Magnetron 6002.

CPN-18

ATC Radar

Made by Bendix.

CPS-1 (MEW)

Early Warning

3.2GHz

Made by GE. WW2 Radar. Two aerials back to back, one parabolic, one Cosecant. Range 200 Miles. First Microwave Early Warning Radar. Low Angle Aerial reported to be 24’ x 8’. (Another source says 25’ wide). Beam 0.9 Deg wide. High Angle Aerial24’ x 5’ high. Rotates at 1, 2, or 4 RPM. Beamwidth on both beams 0.9 Deg wide and 3 & 30 Deg high.

CPS-2

Project 424B at Camp Evans Signal Laboratory 1943.

CPS3

Project 421 at Camp Evans Signal Laboratory 1943.

CPS-5

ATC Radar

Built by Bendix. Used in “Lashup” system which precluded Pinetree & DEW line.

CPS-6B

Early Warning

2Mw

1 or 2uS

300, 600

3.2GHz

Made by GE. 3D First Radar using V beam. Range 150 Miles on vertical beam, 240 miles on sloping beam. 120 miles height finding.

CPS-8

Surface Movement

Prototype for ASDE 1.

CPS-9

Weather radar

Built by Raytheon

FPG-1

Shore Batteries

0.25uS

Precision Rapid Scan for Control of Shore Batteries against Ships. Electronic scan over 10 Degrees once positioned/stopped. Could also search larger sector. Beam 0.55 Degrees wide. Schwarzschild Antenna 143” x 56” x 27.5” Similar to MPG-1, SCR 598

FPN-1

GCA

Bendix.

FPN-10

Beacon Radar

Did not become operational due to problems with Magnetron Transmitter.

FPN-16

Precision Approach

45Kw

0.18uS

3300

9-9.16GHz

Made by Raytheon. Range 15 miles. QKH2811 coaxial Magnetron. Similar to CPN-4 and MPN-11.

FPN-28

GCA

Made by Bendix.

FPN-31

Surface Movement

14Kw

35nS

15000

16Ghz

Airport Surface Detection Equipment, ASDE. Made by Westinghouse. Produced 1971. Military Version is FPN-31. One source says 24ghz, PRF 14,4000 20nS. 36-50Kw.

FPN-33

GCA

Made by ITT Gillfilan

FPN-34

ATC

D Band

Made by Bendix

FPN-36

Tactical GCA

150Kw

0.18-0.6uS

1500

9-916GHz

Made by ITT Gillfilan. QUAD Radar. Helicopter Portable. Two Antennas, one for horizontal, one for vertical.

FPN-40

GCA with IFF

Made by ITT Gillfilan

FPN-47 (ASR-5)

ATC

E/F Band

Made by Texas. ASR-5.

FPN-48

GCA Landing

Made by ITT Gillfilan. Similar to MPN-13.

FPN-50

GCA Landing

Made by ITT Gillfilan. Similar to CPN-4A

FPN-51

Airport Surveillance

E Band

Made by Texas. Similar to FPN-47 but with ECM.

FPN-52

GCA PAR

Built by ITT- Gillfilan. Based on FPN-16

FPN-55

ATC

E Band

Made by Texas. Similar to FPN-47.

FPN-62

Precision Approach

45Kw

0.18uS

3300

9-9.16GHz

Made by Raytheon. Range 15 miles. QKH2811 coaxial Magnetron. Known as Normal PAR.. The version produced for Britain is called Falconner. Replaced CPN-4 & FPN-16.

FPQ-6 (MIPIR)

Instrumentation Tracking Radar

2.8Mw

G/H Band

Built by RCA. Known as Missile Precision Instrumentation Radar, (MIPIR)29’ Parabolic Aerial with Cassegrain feed. Monopulse. transportable version is TPQ-18. Described as an improved FPS-16.

FPQ-10

Instrumentation Tracking Radar

2 Channel Monopulse.

FPQ-13

Instrumentation Tracking Radar

5Mw

G/H Band

Built by RCA.. Monopulse Missile tracking Radar. Version of FPS-6 with Cassegrain antenna. Used on Eastern Test Range.

FPQ-14

Instrumentation Tracking Radar

2.8Mw?

G/H Band

Built by RCA.. Monopulse Missile tracking Radar. Modified FPQ-6.

FPQ-18

Drone Control

Built by Vega Precision Labs.

FPQ-21

Weather Radar

250Kw

3uS

259

5.6-5.65GHz

Made by Enterprise. Magnetron SFD-373A. Antenna is 12’ dish.

FPS-1

Project 421 at Camp Evans Signal Laboratory 1943.

FPS-3

Air Surveillance

D Band

Made by Bendix. Supplied to RAF post war. Height capability 55.000’ 200 Mile Range. Inproved model of CPS-5.

FPS-3A

Air Surveillance

D Band

Made by Bendix. Supplied to RAF post war. Inproved Electronics.

FPS-3B

Air Surveillance

D Band

Made by Bendix. Supplied to RAF post war. . Inproved Height Capability to 65,000’

FPS-4

Height Finder

Made by RCA. Same as TPS-10D, except tower mounted.

FPS-5

Surveillance

Made by Hazeltine.

FPS-6

Height Finder

4.5Mw

2uS

300-405

2.7-2.9GHz

Made by GE. 20 or 30 nods per min. Mobile version is MPS-14. Superseded by FPS-89. Were FPS-6A & B versions at least. One source says 5Mw Peak..

FPS-7

Air Surveillance

10Mw

6uS

244

1.25-1.35GHz

Made by GE. 3D Radar with 7 beams in elevation. Range 270 miles. Monopulse. Has 10 spot frequencies. Part of SAGE. Klystron output. Repackaged SPS-2? L128 Klystron used.

FPS-7A

Air Surveillance

10Mw

6uS

244

1.25-1.35GHz

FPS-7 with Height Finding Capability.

FPS-7B

Air Surveillance

10Mw

6uS

244

1.25-1.35GHz

FPS-7A with New MTI modules.

FPS-7C

Air Surveillance

10Mw

6uS

244

1.25-1.35GHz

Slight Modifications to Antenna and new type of tower used.

FPS-7D

Air Surveillance

10Mw

6uS

244

1.25-1.35GHz

Steel Tower and Rigid Radome used.

FPS-8

Surveillance

1Mw

3uS

360

1.28-1.35GHz

Made by GE. 2D Surveillance . Used at some airports and Military bases. Had MTI. Mobile version is MPS-11. Superseded by FPS-88 Mobile version is MPS 11 & 11A Vertical Beam Width 30Deg. Magnetron QK-358. Antenna is 25’ Parabolic section.

FPS-10

Air Surveillance

E Band?

Made by Bendix for SAGE. Rapidly superseded by FPS-27

FPS-14

DEW Line

0.45Mw

1uS

1200

2.7-2.9GHz

Made by Bendix. Used in DEW Line & SAGE as Gap Filler. 2D Radar. Fixed tuning Magnetron. One source says 400Kw, PRF 891-909. Another says 750Kw, 900PPS.

FPS-16

Tracker

1Mw

0.25,0.5, or 1uS

142-1364

5.45-5.825GHz

Made by RCA. On the ground and on some instrumentation ships. Monopulse. Magnetron output device. Mobile version is MPS-25. One source says PRF is 160-1707. 12’ Parabolic. Range resolution 5 Metres, angle resolution 0.1 Mil Range for detection 180 Miles, for accurate tracking 120 miles.

FPS-17

Space Tracking

175-225MHz

Built by General Electric. Missile detection Used I as detector Radar Space-track network. One site at Sheyna. One at Diyarbakir, Turkey to monitor Tyuratam. Probably used for intelligence purposes to track Russian missiles.

FPS-18

DEW Line

1Mw

1uS

1200

2.7-2.9GHz

Made by Bendix. More powerful FPS-14? Had V87B Klystron instead of Magnetron. Used in Dew Line & SAGE as Gap Filler. 2D Radar. Klystron. Some versions reported as up to 2Mw?

FPS-19

DEW Line

Built by Raytheon.

FPS-20

Long Range Surveillance

2Mw

6uS

360

1.25-1.35 GHz

Made by Bendix. Dual channel Dual Modulator system. 220 Mile range. Klystron Output. Modernised FPS-3. Used in SAGE. GPS-4 is mobile version. Antenna scans at either 3.3, 5, 6.6, or 10 RPM. One source says 2.5Mw.

FPS-20A

Long Range Surveillance

2Mw

6uS

360

1.25-1.35 GHz

FPS-20A used in AWCS Single Modulator Dual Channel version of FPS-20.

FPS-20B

Long Range Surveillance

2Mw

6uS

360

1.25-1.35 GHz

Used in both AWCS and SAGE. As FPS-20A except Antenna from FPS-67A used. L3035 Klystron used.

FPS-23

Bistatic Radar

475-525MHz

Built by Motorola. CW Doppler system Deployed as a gap filler in DEW line. Not successful. 1955. Beam is 120 Deg wide. Looked for Doppler in the 0-600Hz region, Stations up to 50 miles apart.

FPS-24

Surveillance

5 Mw each Channel

6 or 18uS

278

214-236MHz

Made by GE. 2D Radar. Highly sophisticated ECCM features. Part of TPN-19 Air Traffic Control System. Also used in SAGE. Dual Channel 18uS pulse has Pulse Compression.

FPS-24A

Surveillance

5 Mw each Channel

6 or 18uS

278

214-236MHz

Assumed Improved model of FPS-24?

FPS-26

Height Finder

2 x 2.5Mw

4.5uS

333-328?

5.4-5.9GHz

Made by AVCO. Used in SAGE. Dual Channel at 2.5 Mw each or one channel at 5Mw. SAC 42A Klystron used. 3000-3045 PRT used

FPS-26A

Height Finder

2 x 2.5Mw

4.5uS

333-328?

5.4-5.9GHz

Made by AVCO. Used in SAGE. Said to be similar to FPS-26 except 3000-3048 PRT, and extra ECCM features.

FPS-27

Air Surveillance

15Mw

6

333

2322- 2670 MHz

Made by Westinghouse. Used in SAGE. Stacked beam system using 10 vertical beams.

FPS-28

Air Surveillance

Made by Raytheon. Used in SAGE.

FPS-30

DEW Line

D Band

Made by Bendix. Described as duplex system.

FPS-33

Tracker Radar

D Band

Made by General Electric. Long range high altitude tracker for supersonic targets. Includes 2 x FPS-8 or MPS-11.

FPS-35

Air Surveillance

5Mw

24

333

425-450MHz

Made by Sperry. Used in SAGE. Linear FM pulse compressed to 6uS or 1uS. 250KHz spread on pulse. Alternate Pulses staggered at 2.75mS and 3.25mS..

FPS-36

Nike Hercules Acquisition

615Kw

2uS

325

1.2-1.35GHz

Made by Raytheon. Nike-Hercules Radar. Very similar to Fixed version of or very similar to TPS-1B.

FPS-37 HIPAR

Nike Hercules HIPAR

Built by General Electric.

FPS-41

Meteorological Radar

Built by Raytheon. Long Range Meteorological Radar.

FPS-46 (ESAR)

Made by Bendix. Called ESAR. Prototype for FPS-85.

Satellite Tracking

2.5MW

2mS

30

440MHz

Known as Millstone Hill Radar after the site. Owned by MIT. Prototype BMEWS Radar? Conical scan. 84’ Parabolic Aerial. Average Power 150Kw. Detection range 2000 Miles. Uses two High Power Klystrons running in Parallel similar to X626.

FPS-49

BMEWS Tracker (Search as Well)

5Mw

2mS

27

4255Mhz

Made by RCA for Site 3 of BMEWS. At Fylingdales until 1994. 180 degree coverage. A Modification used solid state transmitter with 850Kw at 30% duty cycle. Also 16mS pulse at 20% is noted.) Range 5000Km. 25 Metre dish. There were three transmitters; two were always in use with one as a hot standby. System was Monopulse, but one report says the prototype was conical scan. Beam width was 2 Deg.

FPS-49A

BMEWS Tracker (Search as Well)

5Mw

2mS

27

4255Mhz

Made by RCA. At Thule, Greenland (Site 2?) Had different Radome to FPS-49, because of the different environment.

FPS-50

BMEWS Search

5Mw

2mS

27

425MHz

Made by GE. Used at Thule , Greenland and Clear, Alaska. 122 x 50 Metre Toroidal reflector for organ pipe scanner. 2 beams produced each 0.4 Deg high, 1 Deg wide.

FPS-56

Nike Hercules

Made by Raytheon. Nike-Hercules Radar

FPS-59

Tracker

Made by General Electric.

FPS-60

Height Finding

Used in SAGE.

FPS-61

Nike Hercules

Made by Raytheon. Nike-Hercules Radar

FPS-63

Air Surveillance

Built by Budd. DEW line gap filler. All modified to FPS-74.

FPS 64

Air Surveillance

2Mw

6uS

360

1250-1350 MHz

Built by Bendix. Used in SAGE. Developed FPS-20. Improved ECCM. Dual Channel Dual Modulator system.

FPS 64A

Air Surveillance

2Mw

6uS

360

1250-1350 MHz

FPS-64 with improved detection.

FPS 65

Air Surveillance

2Mw

6uS

360

1250-1350 MHz

Built by Bendix. Used in SAGE. Dual Channel Dual Modulator system with better ECCM than FPS-64..

FPS 65A

Air Surveillance

2Mw

6uS

360

1250-1350 MHz

FPS-65 with improved Detection

FPS-66

Surveillance

2Mw

6uS

360

1250-1350 MHz

Made by Bendix. 2D Radar. 200 Mile range. Modified FPS-64, Single Modulator Dual Channel system. (One source says 0.833uS, PRF'’s = 713,950,1050,1120,1173,1200, 2.7-2.9GHz, 425Kw????) Used in SAGE.

FPS-66A

Surveillance

2Mw

6uS

360

1250-1350 MHz

Made by Bendix. FPS-66 with improved Detection.

FPS 67

Air Surveillance

2Mw

6uS

360

1250-1350 MHz

Built by Bendix. Used in SAGE. Modified FPS-65 Single Modulator Dual Channel system.

FPS 67A

Air Surveillance

2Mw

6uS

360

1250-1350 MHz

Built by Bendix. FPS-67 with Improved Antenna

FPS 67B

Air Surveillance

2Mw

6uS

360

1250-1350 MHz

Built by Bendix. FPS-67A with Improved Detection.

FPS-69

Nike Hercules

Made by Raytheon. Nike-Hercules Radar. FPS-69, FPS-70, FPS-71, were all versions of ABAR

FPS-70

Nike Hercules

Made by Raytheon. Nike-Hercules Radar. FPS-69, FPS-70, FPS-71, were all versions of ABAR

FPS-71

Nike Hercules Search

5Mw

2uS

325-400

1220-1350MHz

Made by Raytheon. Nike-Hercules Radar. FPS-69, FPS-70, FPS-71, were all versions of ABAR Used 325 or 360-400PPS or 400 in MTI operation.

FPS-71

ROTHR ???

Re-locatable Over the Horizon Radar.

FPS-74

Air Surveillance

Built by Budd. DEW line gap filler. All modified from FPS-63’s

FPS-75

Nike Hercules

Made by Raytheon. Nike-Hercules Radar

FPS-76

Nike Hercules

Made by Raytheon. Nike-Hercules Radar

FPS-77

Weather Radar

Made by Lear Ziegler.

FPS-78

Space Tracking

Built by General Electric.

FPS-79

Space Tracking

Built by General Electric. Used in Space-track Network

FPS-80

Space Tracking

Built by General Electric. Used as Tracker Radar for Space-track network once target detected. One sited at Sheyna. Probably used for intelligence purposes to track Russian missiles.

FPS-82

Surveillance

2Mw

6uS

360

1250-1350 MHz

Modified FPS-20.

FPS-85

Missile search & Track

32Mw

1-250uS

20

442+5 MHz

Made by Bendix. Multi-function array for search and track of missiles and satellites. Sited at Elgin AF Base. Pulse’s 1,5,10,25,125 & 250uS. 5184 elements in 72 x 72 matrix. 10Kw each element. Prototype was FPS-46. Known to be able to track at least 100 targets. Said to be Based on FPS-46

FPS-87

Air Surveillance

2Mw

6uS

360

1250-1350 MHz

Built by Bendix. Based on FPS-20 ECCM features designed to defeat Carcinotron Jammer.

FPS-87A

Air Surveillance

2Mw

6uS

360

1250-1350 MHz

FPS-88(V)1

Surveillance

2 x 1Mw

3uS

360

1.3GHz

Made by GE. 2D Surveillance .Later version of FPS-8, FPS-33, FPS-37. Parametric Amplifier in Receiver. Dual Channel system

FPS-88(V)2

Surveillance

1Mw

3uS

360

1.3GHz

Made by GE. 2D Surveillance .Later version of FPS-8, FPS-33, FPS-37. Parametric Amplifier in Receiver. Single Channel system

FPS-89

Height Finder

4.5Mw

2uS

300-405

2.7-2.9GHz

Made by GE. 20 or 30 nods per min. Improved FPS-6. Can find height to 1000’ at 110 mile range.

FPS-89S

Height Finder

4.5Mw

2uS

300-405

2.7-2.9GHz

Version of FPS-89 built in Italy, has better Receiver. Made by GE. 20 or 30 nods per min. Improved FPS-6. Can find height to 1000’ at 110 mile range.

FPS-90

Height Finder

Built by General Electric. High power height finder based on FPS-6. Similar to APS-507.

FPS-91

Air Surveillance

D Band

Built by Bendix. Based on FPS-20, similar to FPS-87A.

FPS-91A

Air Surveillance

D Band

FPS-92

BMEWS

5Mw

2mS

27

4255Mhz

Made by RCA. Later version of FPS-49. At Clear, Alaska. Has pulse compression of 2000 to 1. Non linear FM.. 180 degree coverage.

FPS-93

Built by Raytheon. Modified FPS-20.

FPS-95

Tracker

One source says this was a tracker built by RCA, another report says OTHR at Orfordness.

FPS-95

OTHR

(Surveillance of Air & Missiles over Soviet Union)

10Mw

40-160

6-40MHz

One source says built by RCA. Installed at Orfordness. Known as Cobra Mist or system 441A. Started high power testing 17th July 71. Decommissioned after problems 29th June 73. Expected to have 2000 mile range but believed suffered from noise problems and although designed for 10Mw peak pulse, 600Kw average, never achieved more than 3.5Mw. Covered roughly 90 Deg sector from North to East.

FPS-100

Surveillance

2-2.75Mw

6uS

350-370

D band

Built by Bendix. Described as modernised FPS-20. PRF 350-370 in steps of 5.

FPS-103

Weather Radar

Built by Bendix.

FPS-105

Missile Tracker

1Mw

0.25uS

0.5uS

1uS

640

160

G/H Band

Built by RCA. Used on test ranges. 3.66 Metre dish.

FPS-107

Surveillance

10Mw

6uS

244

1.3GHz

Made by Westinghouse. 2D Surveillance . 260 Mile range on 1 metre square target

FPS-108 Cobra Dane

Ballistic Missile Tracking

15.4Mw

150-2000uS

1.3ghz see notes

Made by Raytheon. Sited at Shemya, Alaska. Single 30 Metre face. 1500Km range. 96 Sub arrays each with 160 active elements. Each sub array 160 kW peak. 19000 dummy elements out of 35000 total. Uses 96 x QKW-1723 Travelling wave tubes. Pulse widths available, 150-1500, 1000, 2000. Frequencies 1215-1250 (NB), 1175-1375 (WB)..

FPS-113

Surveilance

Said to be solid state version of FPS-100. Known to be a FPS-113A mosel.

FPS-115 Pave Paws

SLBM Detection & Satellite Tracking

700Kw?

0.25-16mS

16

433  13MHz

Built by Raytheon. Three faced site at Fylingdales after 1994. Average Power 175Kw per face 700Kw peak? 23 Metre faces each with 56 sub-arrays with 32 active elements. Range 3000 Miles on 10 Metre square target. Also two sites in America with two faces. 25% duty cycle noted in one report. Elevation coverage 3-85 Degrees.

FPS-117 Seek Igloo

Surveillance

29Kw

1.215-1.4GHz

Made by Martin Marietta. Long Range 3D radar used in North Warning System. (Seek Igloo) Approx 16 supplied. Fixed site. 24.75Kw at 16% duty factor. One report says 18% duty cycle, Ave power 5.2Kw, using 292 modules of 100W each. Range around 200 Miles. Elevation coverage -6 to + 20 Degrees. 7.3 x 7.3 Metre Aerial.

FPS-118 CONUS OTHB

OTH Radar

100Mw?

5-28MHz

Built by General Electric. (Another source says Lockheed-Martin). HF Band Over The Horizon Backscatter Radar. Transmitter is 4000’ long sited 100 Miles from the 5000’ Receiver.3 sections each covering 60 Deg to give 180 Deg. FMCW system , said to have power rating of 100MW.

FPS-120

SLBM Detection & Satellite Tracking

700Kw?

0.25-16mS

16

433  13MHz

Said to be production version of Pave Paws FPS-115. Said to be at Clear, Alaska???. Also called SSPAR (Solid State Phased Array Radar). Probably at the other Pave Paws sites at Bale and Cape Cod?? And may be at Thule.

FPS-121

SLBM Detection & Satellite Tracking

Another version of FPS-115?. Two known at Robins Air Force Base and Eldorado Air Force Base.

FPS-123

SLBM Detection & Satellite Tracking

700Kw?

0.25-16mS

16

433  13MHz

Another version of Pave Paws FPS-115. Raytheon say this is at Clear, Alaska and say another site is planned, - presumably Thule? – or is Thule a FPS-120??

FPS-124

Surveillance

1.3GHz

Made by Unisys. Gap filler for North Warning System. 39 systems provided for the North Warning System. Unmanned.. aerial is a cylinder phased array. Range 2-70 miles. Described as Medium Range.

FPS-126

SLBM Detection & Satellite Tracking

700Kw?

0.25-16mS

16

433  13MHz

Said to be designation given to Fylingdales version of Pave Paws FPS-115.

FPS-127

Height Finder (Threat Simulator?)

Must be a Radar, but said to be used as a threat simulator for Height Finding Radars.

FPS-129

Satellite Tracking

200Kw

X Band

“Have Stare” Radar. Radar also known as “Globus 2”. Sited at Vardo, Norway. 27 Metre Parabolic dish. Was first installed and tested at Vandenberg Airforce base from 1995..

FPS-130

Surveillance

D Band

Made By Northrop-Grumman. Also known as ARSR-4. 3D Radar. Said to have “Dual Stacks of elevation beams?” One source says uses two frequencies 83 MHz apart. One pulse of 60uS followed by one of 90uS. 250 mile range.

FPS-131

Supplemental Weather Radar

Sited at Fallon. Described as “Supplemental Weather Radar”. Used with sattelite imigary to give better detail on Storms??

Cobra Gemini

S+X Band

Cobra Gemini. Dual Band, 4 x 50Kw Av tubes at S Band and 1 x 35Kw Av Power at X Band. 5 Metre Parabolic dish aerial. S Band has a beam of 1.24 Degrees, X band is 0.4 Degrees. Believed to be used for monitoring Theatre Ballistic Missile defence tests

LRDBTR

S+X Band

Long Range Dual Band Transportable Radar (LRDBTR), Upgraded version of Cobra Gemini. Bigger Dish Aerial . More powerful transmitter. Transportable.

GPG-1

Instrumentation

50Kw

X Band

GPN-2

Mobile ATC

Built by Bendix.

GPN-6

ATC

E/F Band

Built by LFE. Described as 150 mile range.

GPN-22

HIPAR

300Kw

0.5 or 1uS

3500

9-9.2GHz

Made by Raytheon. Derived from TPN-25. HIPAR = High Performance Precision Approach Radar. 20 mile range on 1 metre target. Can track 6 targets at once.

GPN-25

Precision Approach

10GHz

Made by Raytheon. Fixed base version of TPN-25. Part of TPN-19 Air Traffic Control System.

GPS-3

Surveillance

D Band

Described as a backup surveillance system.

GPS-4

Long Range Surveillance

2Mw

3.2uS

360

1.3GHz

Built by Bendix. Mobile version of FPS-20 . One source says 6uS Pulse. Described as high power MPS-7. Assumed Single Channel version?

GPS-4A

Long Range Surveillance

2.5Mw?

6uS

360

1.3GHz

Dual Channel Version of GPS-4?

GPS-57A

Surveillance

Built by Bendix.

GSS-7

Mobile Tactical Radar

500Kw

1uS

4uS

600

300

1.25-1.35GHz

Made by Raytheon. Magnetron 5J26. Antenna 40’ x 11’ Cosecuent.

KPQ-1

Mortar Locator

180Kw

1uS

1100

8.5-9.6GHz

For Marines. Based on SPQ-6. Prototype only produced?? Range 8000 Metres.

MPG-1

Coastal Artillery

0.25uS

Built by Bendix. Used for control of coastal artillery. Precision Rapid Scan for Control of Shore Batteries against Ships. Electronic scan over 10 Degrees once positioned/stopped. Could also search larger sector. Beam 0.55 Degrees wide. Schwarzschild Antenna 143” x 56” x 27.5” Similar to SCR 598, FPG-1

SCR 598

Shore Batteries

MPN-1

GCA

Built by Gillfilan & Federal. Two Orthogonal beams scanned by Eagle scanner.

MPN-1A

GCA

Built by Bendix. Two Orthogonal beams scanned by Eagle scanner.

MPN-3

GCA

Built by Bendix.

MPN-3

GCA

Built by Bendix.

MPN-11

Precision Approach

45Kw

0.18uS

3300

9-9.16GHz

Made by Raytheon. Range 10 miles. Predecessor to FPN-62.

MPN-13

Precision Approach

500Kw

45Kw

0.18uS

1500

5000

2.7-2.9GHz

9-9.16GHz

S Band Search and X Band Precision tracker. Made by Raytheon. Range 10 miles. Predecessor to FPN-62. Magnetron 5586. One source says made by Gillfilan.

MPN-14

GCA

Made by ITT Gillfilan.

MPN-14K

ATC

Made by ITT Gillfilan. Mobile ATC radar for military use. Comprises two Radars, a PAR with 2 x 80Kw Transmitters in I/J Band, and an approach Surveillance Radar with dual 1Mw Transmitters in

MPN-15

GCA

Made by ITT Gillfilan.

MPN-17

Landing Control

3GHz

10GHz

Includes two Radars. One 2.78GHz-2.82GHz and 9-9.16GHz. Trailer Mounted.

MPN-17A

Landing Control

Later version of MPN-17.

MPQ-4

Mortar Location

80Kw

0.25uS

8600

16.1GHz

Made by GE. Foster dual scanner. 10Km range. 170 metre min.

MPQ-4A

Mortar Location

50Kw

0.25uS

7000

16.0GHz

Made by GE. Trailer mounted. Antenna 8’ x 5’ dual Foster scanner. 50Kw is minimum power. Magnetron 7452.

MPQ-10

Mortar Location

200Kw

0.8uS

1000

2.7-2.9GHz

Built by Sperry.

MPQ-10A

Mortar Location

200Kw

0.8uS

1000

2.74-2.96GHz

Built by Sperry?. Magnetron 2J31-2J34. Two ranges, 10,000 & 20,000 Yards.

MPQ-10C??

Tracker

200Kw

0.8uS

1000

5.8GHz

Built by Sperry?. Magnetron QK-447. Antenna is 6’ Parabolic dish.

MPQ-12

Missile Tracker

250Kw

0.25uS

364-1707

2.7-2.9GHz

Built by Reeves. Modified version of SCR 584 used for Missile Tracking. Aerial is 10’ Parabolic. Conical scan. Range resolution 10 Metres. Angle Resolution 1 mil. Magnetron 2J32.

MPQ-12C

Missile Tracker

250Kw

0.8uS

1000

5.5-5.8GHz

Made by Sperry?? Magnetron QK-447

MPQ-14

Course Directing

Built by Advance/Ultrasonic

MPQ-18

Missile Tracker

600Kw

2.65-2.95GHz

Built by Reeves. 10’ Parabolic dish. Duty cycle said to be 0.001. Magnetron 5586.

MPQ-21

Tracker

1Mw

1uS

1000

6GHz

Made by Sperry. 10’ Dish with conical scan. Magnetron QK-241.

MPQ-25

Fire Control

210Kw

2.7-2.9GHz

Built by ITT Gillfilan. Trailer mounted radar for Corporal Missile. PRF variable with five pulse stagger.

MPQ-29

Drone Control

Built by Sperry

MPQ-31

Tracking & Guidance

E/F Band

Built by Canoga. 4000 Km Range.

MPQ-32

Detection & Tracking

Silvana.

MPQ-33

Hawk Tracker /Illuminator Radar

125W

10-10.25GHz

Built By Raytheon. Carrier Wave System. MPQ-39 was later version? - then MPQ-46.

MPQ-34

Hawk CW Acquisition radar

200W

10GHz

Built by Raytheon. Replaced by MPQ-48.

MPQ-35

Hawk Pulse Acquisition Radar

450Kw

3uS

800

667

1.25-1.35 GHz

Built by Raytheon. Early model, replaced by MPQ-50.

MPQ-37

Hawk Range Only Radar

Built By Raytheon. Early model replaced by MPQ-51.

MPQ-39

Hawk Tracker Radar

Tracks and illuminates target. Made by Raytheon Klystron Transmitter. Replaced by MPQ-46.

MPQ-43 (HIPAR)

Nike Hercules Acquisition Radar

6uS

417-438

1.35-1.45GHz

Built by General electric. Mobile unit.. Said to be the most powerful mobile radar in the world when introduced. Also a fixed version called HIPAR.

MPQ-46

Hawk Tracking Radar

J Band

High Power Illuminator (HPI) Ku Band CW System. Replaced by MPQ-57.

MPQ-48

Hawk Continuous Wave Acquisition Radar

Improved Carrier Wave Acquisition Radar. Used for low altitudes. ICWAR. FM applied to find range.

MPQ-49

Tactical

D Band

Built by Sanders Associates/Sperry. Forward Area alerting Radar (FAAR) Used with Vulcan and Chaparral systems as detection Radar. Mounted in a S-250 Shelter., utilising M561 tractor. Radar is known as Trackstar when mounted on M577A2. Range on 0.2 Metre target 15Km. Transportable version is TPQ-32.

LAADS

D Band

Low Altitude Detection Radar, made by sanders Associates. This is a version of MPQ-49.

MPQ-50

Hawk Pulse Acquisition Radar

C Band

PAR. Used for Medium and high altitude. Has digital MTI.

MPQ-51

Hawk Range Only Radar

120Kw

0.6uS

1600

15.5-17.5GHz

Made by Raytheon. Pulse radar that automatically comes into operation if the Target tracker radar cannot determine the range. Abolished at phase 3 upgrade. Antenna is 4’ Parabolic dish.

MPQ-53

Patriot Radar

100Kw?

G Band

Made by Raytheon. Multi-function search and track aircraft and missiles. Formally known as SAM-D. 5161 element array.

MPQ-54

Tactical

D band

Built by Sanders Associates/Sperry. Supplied to Portugal. Forward Area alerting Radar (FAAR) Used with Vulcan and Chaparral systems as detection Radar. Version of MPQ-49, mounted on trailer towed by M35 truck.

MPQ-55

Hawk Improved Continuous Wave Acquisition Radar

ICWAR. Used at low levels. Introduced in Phase 1 improvements, replaced by MPQ-62. Uses Frequency modulation to obtain range.

MPQ-57

Hawk High Power illuminator

J Band

HPI. Replaced MPQ-46.

MPQ-62

Hawk Improved Continuous Wave Acquisition Radar

ICWAR. Replaced MPQ-57 in phase 2 improvements.

MPQ-63

Instrumentation

30Kw

1uS

1-10K

9.3-10GHz

Made by ITT Gillfilan.

MPQ-501

Mortar Locating

Built by Raytheon. Used by Canada.

MPS-1

Project 424C at Camp Evans Signal Laboratory 1943.

MPS-3

Height Finding

Built By Raytheon.

MPS-4

Height Finding

Built By Hazeltine.

MPS-7

Surveillance

D Band

Built by Bendix. Long Range System. Based on FPS-20. Said to be a low powered GPS-4.

MPS-8

Height Finder

300Kw

0.55 or 2uS

539

9.23-9.40GHz

Made by RCA. Same as TPS-10D, except trailer mounted.

MPS-9

Drone Control

250-650Kw

0.8uS?

300?

2.7-2.9GHz

Built by Reeves Industries. 300 Km Range. Magnetron 5586. Automatic tracking.

MPS-11

Medium Range

D band

Built by General Electric. Version of FPS-8 mounted on manually erected tower.

MPS-11A

Medium range

D band

Built by General Electric. Fully Mobile Version of FPS-8. Mounted on converted 40mm Gun Carriage.

MPS-14

Height Finder

4.5Mw

2uS

300-405

2.7-2.9GHz

Made by GE. Mobile version of FPS-6. 20 or 30 nods per min. 6 Trucks, 3 trailer system

MPS-16

Height Finder

1Mw

2.5uS

5.2-5.3GHz

Built by Avco. Used in AWCS system. Antenna 21’ x 5’5”.

MPS-19

Tracking

500Kw

0.8uS

300-2000

2.7-2.9GHz

Built by Reeves. Magnetron 5586. Automatic tracking.

MPS-21

Surveillance

5Mw

5

360

1.25-1.35 GHz

Built by Sperry. 3D Radar. V Beam. Similar to TPS-34.

MPS-23

Surveillance

Built by Hughes. 3D FRESCAN Radar.

MPS-24

Air Search

200Kw

5uS

60

P Band?

Made for the Marines, land based. Also known as SK-1M. Based on SC-2.

MPS-25

Tracker

1Mw

0.25,0.5, or 1uS

142-1364

5.45-5.825GHz

Made by RCA. C Band Radar. Mobile version of FPS-16. Magnetron output device.

MPS-30

Surveillance

Built by Hazeltine/FMC. Trailer mounted TPS-25

MPS-36

Tracking

1Mw

Built by RCA? Or GE? 3.66 Metre Dish. Delivered 1976.

MPS-39

Tracking

5.4-5.9Ghz

Built by GE? Known as Multiple Object Tracking Radar. MOTR.

MPS-117

IFF Tracking

Built by Eaton. Used for “IFF Tracking” in FPS-117 Radar

PPN-1

Project 463A at Camp Evans Signal Laboratory 1943.

PPN-2

Project 463A at Camp Evans Signal Laboratory 1943.

PPS-3

Ground Movement

Built by Sperry.

PPS-4

Ground Movement

Built by Sperry.

PPS-5

Ground Movement

1Kw

4000

16-16.5GHz

Built by AIL. Transistorised version of PPS-4Has Audio output of Doppler beat frequency for Operator classification.

PPS-6

Battlefield Surveillance

Built by General Instruments Corporation.

PPS-9

Battlefield Surveillance

Built by RCA

PPS-11

Battlefield Surveillance