Radar Type Numbers
 
 

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Radar Type Numbers

 British Radar Types (cont.):

Type

Function

Peak Power

Pulse width

PRF

Freq

Notes

12 Mk.1

CHL/COL

 

 

 

125MHz

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

12 Mk..2

CHL/COL

80-100Kw?

 

 

192-209MHz

Called Red Queen. A modified version of Type 15 Mk..2(M) for GCI special purposes.

13 Mk.1

Height Finder CMH Mk..1

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'.

13 Mk.2

Height Finder CMH Mk..2

500Kw

0.6 or 1.9uS 

500

3GHz 

Had vertical cheese aerial. Used NT277A equipment with power turning. Comprised a convoy of vehicles Mk..2(M) was mobile. Mk.2-4 used Double cheese aerial 20' x 18" each.

13 Mk.3

Height Finder CMH Mk.3

500Kw 

 0.6 or 1.9uS

 500

 3GHz

Aerial vehicle as Mk.2, Had different operations vehicle using Display Unit 5 or console 15 or 16.

13 Mk.4

Height Finder CMH Mk.4

500Kw

0.6 or 1.9uS

500

3GHz

Improved Mk.3?

13 Mk.5

Height Finder CMH Mk.5

500Kw

0.6 or 1.9uS

500

3GHz

Mk.4 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.

14 Mk.1

 

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.

14 Mk.2

 

500Kw

0.6 or 1.9uS 

 500

 3GHz

Became the Type 57. Based on 277.

14 Mk.3

CHEL  

500Kw

0.6 or 1.9uS

 500

 3GHz

Also known as MGRI 5554. Fully mobile version of Mk.1 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.

14 Mk.4

CHEL

500Kw

0.6 or 1.9uS

 500

3GHz

As Mk.3, but with DU5 or Console 15 or 16.

14 Mk.5

CHEL 

500Kw 

 0.6 or 1.9uS

 500

 3GHz

As Mk.4, but universal operations vehicle.

14 Mk.6

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.

14 Mk.7

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

Mk.7 had low angle beam.

14 Mk.8

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

Mk.8 had high angle beam. Updated Mk. 6.

14 Mk.9

CHEL

500Kw

0.6 or 1.9uS

500

3GHz

Mk.9 had low angle beam. Updated Mk.7.

14A

GCI

 

 

 

3GHz 

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

15 Mk.1

GCI

80-100Kw 

3.5 or 8uS

300-540

192-209MHz

Successor to Type 8. Interim GCI.

15 Mk.2

GCI

80-100Kw

3.5 or 8uS

300-540

192-209MHz

Mk.1 that could work at three switchable frequencies

15 Mk.3

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.

15 Mk.4

GCI

80-100Kw

3.5 or 8uS

300-540

192-209MHz

Mk.2 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 11 Mk.2 (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.

20 Mk.1

DMH

 

 

 

590MHz

FGRI 5537. Decimetric 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.

20 Mk.2

DMH

 

 

 

590MHz

Was to have been a transportable version of the Mk.1, but abandoned.

21 Mk.1

Tactical Control

 

 

 

 

FGRI 5258. Comprised Type 14 Mk.3M and Type 13 Mk.2 equipment as a fixed site. Radars mounted on plinths.

21 Mk.2

Tactical Control

 

 

 

 

5 vehicle convoy comprising Type 13 & 14, Control Centre and two Diesel generators. Mobile. Used Type 14 Mk.3 and 13 Mk.2 equipment.

21 Mk.3

Tactical Control

 

 

 

 

As Mk.2.. but Used Type 13 Mk.3.

21 Mk.4

Tactical Control

 

 

 

 

As Mk. 2, but used Type 13 Mk.4

21 Mk.5

Tactical Control

 

 

 

 

As Mk. 2, but used Type 14 Mk.6 and Type 13 Mk.5

22 Mk.1

GCI/COL

 

 

 

 

Similar to Type 21 using Type 11 Mk.2 (T) or (M) & 13 Mk.2 (M) Known as MGRI 5579.

22 Mk.2

GCI/COL

 

 

 

 

Comprises Type 11 Mk.2 (T) or(M) & 13 Mk.3 (M).

22 Mk.3 (M)

GCI/COL

 

 

 

 

Comprises Type 11 Mk.2 (M) & 13 Mk.4 (M).

22 Mk.4 (M)

GCI/COL

 

 

 

 

Comprises Type 11 Mk.4 (M) & 13 Mk.5 (M).

22 Mk.5 (M)

GCI/COL

 

 

 

 

Comprises Type 11 Mk.5 (M) & 13 Mk.4 (M).

22 Mk.6 (M)

GCI/COL

 

 

 

 

Comprises Type 11 Mk.6 (M) & 13 Mk.5 (M).

22 Mk.7 (M)

GCI/COL

 

 

 

 

Comprises Type 11 Mk.7 (M) & 13 Mk.5 (M).

23

LOMAN

 

 

 

 

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

24

Height Finder

 

 

 

3GHz

Long Range static Height finder based on Type 13 Mk.2, 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.


 

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Updated 20/04/01

Constructed by Dick Barrett

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ęCopyright 2000 - 2002 Dick Barrett

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