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Welcome to the radio section. Please be sure to check this section on a regular basis as new products are frequently.

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RAF Signals Museum: There was a need for increased frequency stability for the TR9. Frequency drift resulted from vibration and temperature changes during flight. In April 1937, crystal control was applied to the TR9; that was then designated the TR9C. Later, to facilitate transmissions for Direction Finding (DF) purposes within a flight of aircraft while still allowing R/T contact to be maintained, a second frequency channel was provided on the TR9; that became the TR9D.

 The proposed VHF set was to be built such that it would be physically interchangeable with the TR9, so that the aircraft fit could be changed from VHF to HF, and vice versa, at short notice!

By the end of 1940, 41 fighter squadrons were completely re-equipped with VHF equipment. The AOC-in-C of Fighter Command gave instructions for the remaining squadrons in the Command to be 'changed over to VHF R/T' (sic) by 1 March 1941.

TR9D Radio set (pg 1 rad)

This is the ultimate in aviation history when it comes to radio.

I have recently found this superb TR9D in complete condition. I cannot be stressed to highly how very rare these sets are and in 15 years this is only the second set I have seen. The internals are present although I am unable to test this radio.

On aircraft containing a TR9 set the aerial would be strung between the aerial mast and the tail plane.

 The TR9 would have started its operational career  fitted to either  the Gloster Gladiator which entered service in 1937 the very last of the RAF Bi planes

 or in December 1937- No. 111 Squadron at Northolt takes delivery of the first Hawker Hurricane fighters these aircraft took part in the Battle of France.

 Note the aerial wire denoting that this aircraft has a TR9 fitted

 In 1938 the Spitfire entered service with No. 19 Sdr at Duxford who fought in the Battle of Britain.

 Note the aerial wire denoting that this aircraft has a TR9 fitted

TR9

The RAF was using TR9 sets in fighter aircraft including the Spitfire to provide an air-ground and air-air R/T communications. The TR9 was an AM (i.e. not FM) set.

There was an electro-mechanical controller in the cockpit to operate the set using Teleflex type cables.  

 The TR9 (HF) set fitted to aircraft during 1932 and 1933 gave increased range over that obtained previously - 35 miles air-to-ground and 5 miles air-to-air being obtained.

At the time in question, the sector commander or controller in the operations room did not attempt to speak to the pilot of an aircraft by radio telephone. Messages to pilots were written on slips of paper and passed to R/T operators for transmission. The R/T operators were specially chosen for their clear enunciation and they sat in sound-proofed enclosures.

In 1934, trials were carried out in which controllers spoke directly to pilots - when the trials proved successful, the practice was adopted in all sectors.

There is a reference to the need to make interceptions at ranges greater than the 35 -40 miles R/T range of the TR9. In January 1937 a requirement for a range of 100 miles with aircraft flying at 5,000 feet had been set out. In the meantime, 'the range deficiency of the TR9 was overcome by using mobile ground R/T relay stations, sited 30 or 40 miles forward of the sector RT station'.

Out of stock more wanted if you have one for sale please contact me.

See reference section for radio info

Click on the pictures to enlarge.

Part numbers shown under

Click on the pictures to enlarge.

Original MK I Spitfire areal attachments *

The early Spitfires used the TR9 radio set these were replaced with VHF around the time the Battle of Britain ended

 The TR9 radio required a wire running from the areal  to  the tail.

The two parts shown are the attachments used to connect the wire to the mast and the tail..

They are original and Spitfire only parts you can see the part numbers by expanding the pictures on the left. I believe uses parts to be quite possibly unique.

Above a MK II Spitfire you can see the wire from the areal, to the tail the two parts available attach to the areal mast and the tail.

Available in the airframe section link here.

Click on the pictures to enlarge them.

R 107 Reception set ZA 3050 (pg 1 rad)

This is an R 107 is a high grade general purpose HF communications receiver intended for use in vehicle or ground stations.
It operates with its own built-in PSU from 12 volts DC, or 100 to 250 volts AC, with an internally chassis mounted switch to change over supplies. An internal loudspeaker is fitted with sockets for headphone output.
It is a large and heavy set weighing in at 96lbs and measuring 24" x 13" x 17" deep.
Frequency coverage is from 1.2 - 17.5 Mc/s in 3 bands with operating modes of AM and CW. 

£495

Buyers please contact me for a shipping quote

Click on the pictures to enlarge them.

Always wanted if you have one for sale contact me

Lancaster Aerial (pg 1 rad)

Here is an aerial used on Lancasters and possibly other RAF wartime heavy bombers, it is complete and quite long measuring 5 ft 2" or 157 cm.

Seen in situ below fitted to a Lancaster

Click on the pictures to enlarge them

A/M 10B/13178

Because of its length it may be expensive to send overseas so please contact me for a quote before ordering. I will most likely send in a cardboard tube.

 

Seen in situ below fitted to a Lancaster

Click on the pictures to enlarge them.

 

£95

Lancaster Aerial 2 (pg 1 rad)

Here is an aerial used on Lancasters and possibly other RAF wartime heavy bombers, it is quite long measuring 1.19 m.

Seen in situ below fitted to a Lancaster

     

Click on the pictures to enlarge them

Because of its length it may be expensive to send overseas so please contact me for a quote before ordering. I will most likely send in a cardboard tube.

 

Click on the pictures to enlarge them.

RAF 1154 M Radio A/M 10D/1587 pg 1 rad)

Here is a classic 1154 radio used in Lancasters and other heavy Bombers. This one is clean and externally complete although there appear to be components missing internally and the top plate is missing. The printed sheet on the front is not original. Still a great display item.

 

A/M 10D/1587

£950

Overseas buyers please contact me for a shipping quote

 

Click on the pictures to enlarge them.

Lancaster Amplifier box Type A 1134 (pg 1 rad)

 

This a Type A 1134 Lancaster Amplifier box. Situated next to the Wireless Operator above him on the fuselage wall. It is for the crew intercom. probably used in other Wartime  RAF Heavy Bombers.

Click on the pictures to enlarge them.

     

Seen in situ in a Lancaster upper right  please click on the picture to see in detail.

10D/11500

Out of stock more wanted please contact me

Click on the pictures to enlarge them.

RAF WWII radio jack A/M 10H/2205 (pg 1 rad)

Boxed unused radio jack for connecting the flying helmet to the radio intercom system used in practically all RAF WWII aircraft.

Dated 25th June 1945

A/M 10H/2205

Out of stock more wanted please contact me

 

 

Click on the pictures to enlarge them.

£75

Ultra Electronics Speech Unit Sarah (pg 1 rad)

This seems to be some sort of portable Microphone transmitter and receiver possibly for use in Emergency. Made by Ultra Electronics Ltd of London W3. The areal is stored in a container and is made of spring steel, when the cover is removed it flicks up.  I have never seen one of these before.

Type B174  10U/16870  the main unit has  a crack in it but otherwise its in good condition and appears complete. Its clearly designed to plug into some sort of radio unit..

Click on the pictures to enlarge them.

Its 100% for aircraft use as its A/M marked. The areal unit is Type 1308 A/M 10 AP/1560

 

The Company was started by Teddy Rosen in 1920 as Edward E. Rosen & Co. manufacturing high quality headphones. In 1923 the company moved to new premises at Harrow Road, London and in 1925 a new company Ultra Electric Ltd. was formed. Ultra introduced its first mains powered wireless set in 1931. After further expansion the company moved to larger premises at Erskine Road, Chalk Farm, NW3 in 1932 and also built a new 150,000 sq ft (14,000 m2) factory at Western Avenue, Acton, W3 in 1935.[2] Ultra manufactured a wide range of domestic radio receivers including the Blue Fox, Lynx, Panther and Tiger models. In 1939 Ultra presented a television receiver to the market for the BBC High Definition Television Service which was transmitted on 405 lines from the studios at Alexandra Palace, north London.

During World War II the company diversified into building tails and bomb doors for the Short Stirling aircraft and clearly also continued to produce radio equipment for the RAF.  

 

 

 

RAF Radio Testing Set (pg 1 rad)

Here we have a Radio Testing Set as Used by the RAF. It was used to tune and Calibrate all aircraft radios used by the RAF.

The Catch on the front of the box is missing

Testing Set

Telephone W.T.A MK II Receiving

This has a RAF reference number 2501

This is Manufactured by S.G.Brown Ltd

 Currently Out of Stock More Wanted Contact Us

 

TR9D Control Lever 2 (pg 1 rad)

Very rare send/receive control lever from TR9 radio. relic condition.

 Used in Spitfires and Hurricanes fitted with the TR9. This one is unrestored condition does not function

 £125

See reference section for radio info

 

TR9D Control Lever (pg 1 rad)

Very rare send/receive control lever from TR9 radio. Restored relic condition.

 Used in Spitfires and Hurricanes fitted with the TR9. Does not function for display only.

 £125

See reference section for radio info

          

Out of stock more wanted contact me.

Spitfire aerial mast (pg 1 rad)

This is a  Spitfire aerial mast. Strangely these are made from steel with a wooden insert. Complete with its wooden insert in excellent serviceable condition

Click on the picture to enlarge .

 

 

          

Out of stock more wanted if you have one for sale please contact me.

 

 

Spitfire aerial mast wooden insert (pg 1 rad)

This is a  Spitfire aerial wooden insert in excellent serviceable condition

Click on the picture to enlarge .

 

 

Click on the pictures to enlarge them.

Spitfire Antenna Mount (pg 1 rad)

Here we have a 100% Original mount that was used to attach the aerial to the spitfire fuselage.

These are quite rare as they are made of wood so they became rotted

It was Fitted to the fuselage Just behind the cockpit to allow the fixing of the Aerial

The Aluminium has Corroded however the Rubber and the original wood still remain

This was removed from a Crashed Aircraft at RAF Northolt

 £375

 

Click on the pictures to enlarge them.

Spitfire radio tuner (pg1 rad)

Here we have a radio tuner as fitted to Spitfires, Hurricanes and probably other RAF fighters.

 A/M 10J/22 dated 1945

It was made for use in RAF Fighters. It is in original  condition but the coloured lens is missing the buttons all work as they should and the lever switch moves. Fitted to the LHS of the Spitfire cockpit seen in situ below.

 

   

Click on the pictures to enlarge them.

 £275

 

Click on the pictures to enlarge them.

 

Spitfire radio tuner 2 (pg1 rad)

 A/M 10J/22 dated 1945

Here we have a radio tuner as fitted to Spitfires, Hurricanes and probably other RAF fighters.

It was made for use in RAF Fighters. It is good original  condition the buttons all work as they should and the lever switch moves. Fitted to the LHS of the Spitfire cockpit seen in situ below.

Click on the pictures to enlarge them.

    Click on the pictures to enlarge them.

 £325

TR9 Radio control (pg1 Rad)

Here we have a radio remote control unit for the TR9 as fitted to Mk I and MK II Spitfires and Hurricanes. It needs some restoration work as the levers are seized. It is also missing the knob that attaches to the front I have one of these and it will be supplied with purchase. Would make a nice project for someone and needs a bit of time and patience rather than specialist knowledge and tools. This is an extremely rare piece being in use for only a very short period during the Battle of France and Battle of Britain.

 

I have recently been told this one was fitted to a Hurricane due to the attached bracket.

 

Seen below in situ in a MK I Spitfire

 

 

 Out of Stock More Wanted Contact Us

Click on the pictures to enlarge them.

RAF Portable Telephone exchange  (pg1 rad)

Here is a portable RAF telephone exchange dated 1942. Used for use in the field this unit is well used original condition appears to be complete but would benefit from a good clean. Also used by searchlight crews and observation posts during WW2.
 

 £175

Three available in similar condition

 

TR 1934 Transmitter  Radio

 

A very nice TR 1934 transmitter..

 

£180 .

Morse training aid (pg1 rad)

WW2 Morse Training kit. It is in Good condition working order

£95

 

Morse training aid 2 (pg1 rad)

WW2 Morse Training kit. It is in Good condition working order

£95

Click on the picture to enlarge

 

Wartime Radio crystals (pg1 rad)

 

Some with A/M crowns. Specify what crystals you need 

£15 each .

Spitfire Radio TR 5043 (pg1 rad)

Click on the picture's to enlarge them

TR5043

This is an extremely rare and sort after original and complete TR5043. This particular model was used by the RAAF.

The TR1143 was also a VHF set but the controller, although of the pushbutton type had the round type plug on the reverse. I understand that when the USA entered the war there came a need for common R/T between American bombers and their RAF escorts. I suspect that at this point the USAAF was introduced to the TR1143. They took this and created the SCR-522 (24v) and the SCR-542 (12v).

TR5043 (SCR-522/SCR-542)

Externally the TR1143 and the SCR-522 /542 were the same and used common connecting plugs, fittings and leads. The internals were slightly different though and I have heard that the build quality on the US sets was superior - perhaps due to the materials and components available to them. At some point the US supplied the SCR-522 back to the RAF on lend-lease under the designation of TR5043. Air Ministry items produced on a lend-lease basis seem to have both a items US & AM label on them.    

The TR5043 (SCR-522/542) was used in later Marks of Spitfire, Mosquitoes and both the P47 and P51 when the latter took over the USAAF bomber escort from the RAF. 

 Info supplied by Micheal Clark

See reference section for more details on radios and transmitters.

£1200

 

Click on the picture's to enlarge.

R1082/3 First Airborne Jammer(pg1 rad)

 

This is an incredible piece of History and an almost unique item. The TR1082/3 Wavemeter.  Please read the article I found about this unit under. The very first airborne jamming unit dated from the late 1930's through to the Battle of Britain. In superb condition nothing has been messed about with internally its original and complete. It even has its original carrying strap.

Click on the picture's to enlarge.

Reserved

Handley page Halifax Trim(Page2 cont)

A really nice and extremely rare wheel for a remote D.F. loop drive (aerial). Would be located in the Wireless Ops position, of the Halifax. A/M crown so manufactured before 1944.

A/M 10J/10595

For sale in the controls section click here

 

R.F Unit for Gee (pg1 rad)

 

This is superb very early R F unit used in conjunction with Gee the first airborne radar. The frequency on these units altered to avoid enemy  radar counter measures.  Air ministry crown so manufactured before the end of 1943. Fitted to Lancaster's, Mosquito's and other RAF aircraft along side the gee unit.

RF type 23 A/M 10D/1016 serial nos G 23112.

 

 

£250

R.F Unit for Gee B (pg1 rad)
RF TUNING UNIT FOR A WW2 GEE RADAR SYSTEM FITTED ABOVE THE NAVIGATORS TABLE ON WW2 BOMBERS SUCH AS THE LANCASTER AND HALIFAX. THIS UNIT  IS A TYPE 26 WITH THE RARE VANIER DRIVE TUNER (ALSO USED ON 1032 RADIOS) THE BRASS PLATE IS MISSING OFF THE FRONT AND THE DIAL COVER HAS A BIT MISSING. INTERNAL IT IS COMPLETE THOUGH. THIS TYPE ALSO HAS A TRIMMER SWITCH ON THE FRONT. ON THE BACK THE A.M. STORES REF IS 10A14788 OR 38 CAN'T MAKE IT OUT. A NICE BIT OF WARTIME KIT. UNIT MEASURES  20CMX14CMX24CM QUITE HEAVY STEEL CONSTRUCTION.

Included is a new replacement tuning knob

£150

R.F Unit 3 for Gee  (pg1 rad)

£275

Switchbox Type D 5C/2467(pg1 rad)

 

Type D switchbox contains two 5C/543 type B switches. It is primarily used for controlling the power supply to airborne navigation systems which require AC current, such as GEE (A.R.I.5083) and Mandrel (A.R.I5171)

£65

TR9 Radio selector (pg1 rad)

 

An unusual radio selector box made in the US for the Air ministry. Known to be fitted to Canadian MK XX Lancasters and probably used in other aircraft to allow communication between different radios sets.

Canadian built Mk XX Lancaster converted post war to a rescue role.

£125

click picture's to enlarge

Aerial change over switch/Rebecca (pg1 rad)

SWITCH UNIT TYPE 78A (24 VOLTS)

A/M 10FB/366.

DUAL INPUT AND TWO DUAL OUTPUTS MARKED "LONG RANGE" AND "HOMING". THIS IS PART OF A UNIT CALLED "REBECCA / EUREKA” USED IN WORLD WAR 2 AIRCRAFT AS A NAVIGATION AID

£175 two available

 

   

Visual radar receiver tube Village Inn

Click to see this is Gunsight's

Click on the pictures to enlarge them

Lancaster R 1155 Radio receiver 1 (pg 1 rad)

Fitted to Lancasters and other RAF wartime bombers. It is in nice original condition.

Corrected by a visitor Thanks Rob

Just thought you would like to know that the complete R1155A receiver listed on your radio page was only used during the war inside Halifax heavy bombers (denoted by the type suffix 'A' on the serial plate).

A Halifax bomber

Lancaster

£250

 

   

Radio Control Box (pg 1 rad)

Wartime 10A/14983 unit 10AB radio/radar control box. The looks to have a fitting for an antenna and so I would suspect it has something to do with tuning the antenna. Wartime issue with nice brass plate and kings crown would be for use in heavy bombers such as the Lancaster.

Click on the pictures to enlarge them

£65

 

   

Click on the picture to enlarge

Pre war 1930s Morse Key 2 (pg 1 rad)

A nice original Morse key in good condition. This piece was found on many RAF WW II aircraft and this particular all metal model was fitted to Pre war aircraft such as the Gladiator. In the Spitfire it was fitted to the RHS of the cockpit but these were generally the Bakelite version. The Lancaster had two fitted to the main instrument panel. This early model is made of alloy.

Out of stock more wanted if you have one for sale please contact me.

 Identification Light Morse Key 1 (pg 1 rad)

A nice original Identification Morse key in good condition.

 In the Spitfire it was fitted to the RHS of the cockpit.

The Lancaster had two fitted to the main instrument panel.

 This is the Second Pattern Bakelite version.

£125

We currently have seven in stock

Click to Watch this video clip showing this radio fitted in an Anson

The video clip was taken from The secret war series Video volume 1 Battle of the Beams.

Click on the picture's to enlarge.

 

Hallicrafters S27 Ultra High frequency communications receiver.(pg1 Rad)

This radio was requisitioned by the Air ministry early in 1940 it being the only commercially available radio receiver with a high enough frequencies to detect the German navigation radar beams. They were fitted in Avro Ansons enabling them to locate the direction of the beams.  A desirable piece of Battle of Britain History.

Battle of the beams

Churchill ordered a flight to try to detect the beams.  Avro Anson's were equipped with an American Hallicrafters S-27  (then the only known receiver capable of receiving the 40 MHz signal)  The Anson was far from ideal being slow, cold and extremely noisy. It was the only aircraft capable of carrying the radio set and the motor-generator set required to power it that could be spared. The motor-generator was required because the S-27 was a mains powered set but the Anson only had a 28 volt DC electrical system.

 The German Lorenz directed an aircraft down a line, so two crossed beams could be used to fix a single spot. Several systems based on this idea were studied through the 1930s. Lorenz had a range of about 30 miles, enough for blind-landing but not good enough for bombing raids over England.

 In addition the beams of Lorenz were deliberately set wide enough that they could be easily picked up at some distance from the runway centre line, but this meant their accuracy at long ranges was fairly limited. This was not a problem for blind landing, where the distance covered by the fan-shaped beams decreased as the airplane approached the transmitters, but for use in the bombing role this would be reversed and the system would have maximum inaccuracy over the target.

£1200

B17/B24 Radio reciever(pg1 Rad)

 Radio receiver fitted in B17s and B24 Bombers good original condition. The B17 receiver you have listed is a Marker Beacon Receiver and is used by bombers to find their way back to the point of origin when flying back from a mission. Info supplied by Spitfire Spares customer.

Seen under in situ in a B17

Click on the Pictures to enlarge them.

Lancaster Aerial 1(pg 1 radio)

Click on the Pictures to enlarge them.

This is a nice original Aerial taken from a Lancaster . It is still mounted to the bracket that attaches to the aircraft.

 Almost certainly fitted to other types of aircraft although I was assured by the seller an author who has written books on the subject this was  taken from a Lancaster.

£175 .

Click on the Pictures to enlarge them.

Lancaster Aerial 2(pg 1 radio)

Click on the Pictures to enlarge them.

This is a nice original Aerial taken from a Lancaster .

 Almost certainly fitted to other types of aircraft although I was assured by the seller an author who has written books on the subject this was  taken from a Lancaster.

 

£175 .

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