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[Army-Radios] Fw: STOLEN radio PLEASE READ
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So very Sorry to hear this, Stuart. Do you remember the serial number of the radio and the VIU? I know they are easily removable, but may help more if known by everybody who moves in these circles. 73, Warren
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Ladies and Gents Please diseminate Stuart G0TBI This happened at an event at South Cerney on the weekend ----- Forwarded message ----- From: Stuart Mckinnon <stuartjmckinnon@...> To: VMARS groups.io <[email protected]> Sent: Monday, 5 August 2024 at 19:18:18 BST Subject: STOLEN radio PLEASE READ For those of you not on the various FB and WA groups that my Military vehicle Colleagues helped me with on Sunday On Saturday Night/Sunday Morning, My Lightweight or Airportable Land Rover was attacked and my Racal 2000 'V' was ripped out, by thieves, they removed the control cable and Coax Connector from the front of the VIU, but could not fathom how to disconnect the DC 2 Pin Larger Racal Power plug, so they yanked it away with the DC plug still in situ, leaving pos and Neg/Shield remnants of the cable behind, it was a good job I always switch off the Dist box. This must have been someone who had visited the VMARS compliment, and seen me talking or demoing the radio, who clearly took a shine to it, relieving me of it in the early hours The Theft has been logged with Glos Police and I am awaiting a Crime Number from SOC, Please keep your eyes peeled for a E Bay or Market Place of any other area that Mil radio is offered There is a Substantial reward offered for information received leading to offenders and or return of Eqpt This photograph is dated Jun 2023 and luckily that was in my gallery on my Phone If you can help contact me privately. Tank you Stuart G0TBI 07860 496516 Please feel free to diseminate this msg far and wide and maybe it will come to light!
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TRA967 Whips Available
Hi all, I have 2 off 2.45m whips 711036 for the TRA967 available, new and unused. These have the smaller diameter mating end than the HF whips. UK based. Drop me a pm for more details and photos. Martin G4NCE
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Racal equipment for Sale
Hi, All of the equipment listed below is from the estate of G4DDN (SK). I have been asked by the family of G4DDN to dispose of this equipment, all proceeds will go to the family. I need to dispose of these items ASAP so all offers will be considered. All items are offered 'as seen' and untested. If you have any questions, I'll try to answer them. Please send offers direct to me at ian.g0fct@... All items are located in Bracknell, Berkshire. Racal Receivers 1. RA1784 HF Receiver (no front panel, SCORE remote control) 2. RA1784 HF Receiver chassis, no cosmetic front panel, 1st Mixer, ISB IF and IF Filter boards not fitted. 3. MM610. RF section of RA1781 (HF Receiver). No front panel, designed to be remote controlled only (needs MS611 or equivalent control board). Mounted in a test/assembly frame (heavy). Two units available, some original Racal Test Department documentation included. RA1792 circuit boards 1. Front Panel Memory (A9A2) A08234 A1 BS 1 SN353 (green solder resist, curved/wavey tracks) 2. Front Panel Memory ST82920 BS 2 SN 11282 3. Front Panel Memory ST82920 BS 2 SN 29760 4. Second LO/BFO Synthesizer Module A8 ST82916 BS 1 SN RT1029 5. Microcomputer Board (A6A2) ST89212 BS 01. Complete with CPU, SMI and RAM. No EPROMs 6. Microcomputer Board (A6A2) ST89212 BS 01. RAM present. No CPU, SMI or EPROMs
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Whip Antenna Swap?
Hi all, I have a new-in-packet 2.45m whip 711036 for the TRA967 which I don¡¯t need. I do need a whip for the Squadcal, 711017, new or used, to try out on my set. Would anyone like to swap antennas? I am UK-based. Thanks. Martin G4NCE
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Wanted Details / Circuit for IF convertor 4100020
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Which is a wideband IF convertor from 40.455 MHz to 21.4 MHz and appears to be useful for using a panadapter with any of the 40.455MHz first IF receivers such as the RA6790/GM and the RA1792. It does physically fit in the space in those where the ISB card or 100 kHz IF converter fits. If anyone has any details, such as supply voltage(s) needed I'd be grateful, and I guess tracing out the schematic will keep me quiet for at least a week :^) 73 - Dan ac6ao - g3ncr
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RT422B
Hi everyone, I am restoring an RT422B, it is complete with PSU, cables etc. Very little information on the WWW. I actually used this rig to talk to Dave Dave Larsen, years ago. It has been mothballed for 20 years but I want to get it up and running again. Any help will be appreciated. Thank you, Ludwig ZS5CN.
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TR38C
Cleaning out a TR38C, the circuits are close to the TR28, but I am hoping someone has a manual or at least the circuit diagramme. Cannot find anything on the WWW. Any assistance will be appreciated! Thanks, Ludwig ZS5CN.
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Racal Cougar battery chemistry?
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Hi all I'm new to the Racal Cougar kit and I picked up a 144mhz unit at a rally yesterday. My question is what is the chemistry of the main battery on the SMT unit for charging purposes ? I have a NIMH for the radio itself but I read there are also Nicad cell packs so I just want to charge it correctly, thanks ??
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FS: RA6790/GM
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Time to find this a new home. 5 filters installed: 0.4, 1.2, 3.4, 8, 16 kHz. 9666 software installed (tunes below 500 kHz). All tantalum capacitors have been painstakingly replaced with low-ESR aluminum electrolytics. No ISB. Panel, keypads, displays are excellent. Runs BITE test without errors. Set of 4 reproduction operation and maintenance manuals, spiral bound. Expanded foam packaging box available to ship. Link to photos: https://www.dropbox.com/scl/fo/c36jbr288t030mmbwaz43/AG4zTXfHbmkJwKjouZaCJf8?rlkey=c6euvg6ks4xgs8byefno5pk0j&dl=0 $1200 plus actual shipping cost. Jim K8RZ Nokomis, FL
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RA6790/GM A6A2 boards
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Does anyone know if the Welsh A6A2 boards are still available? I can't find any addresses by googling, and I seem to have lost Phill's email. Thanks, Dan ac6ao / g3ncr
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TRA931 missing IF transformer
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I have a Syncal missing T4 in the Rx 1.4 MHz IF chain. I have a suitable core and need a better guess than mine as to the turns ratio needed, if there's anyone technically more qualified than I, which shouldn't be hard, who would be prepared to offer an estimate, I'd be very happy. It's T4 feeding the base of TR13 from the collector of TR12 on the MA930 board. My guess was either 4:2 or 6:2 turns. 73 - Dan ac6ao / g3ncr
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Racal RA6790/GM firmware
I have attached bin files for the standard GM firmware set, A08449. Dan - ac6ao
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Hi: if I let my eyes adjust to a pitch black room, I can see the "beta" lights glow just enough to read the frequency dials. However in a recent post, another unit's back light appears very bright in room light. Did some of the radios use lamps or LEDs for lighting ? or the beta emitter lights are way brighter when new? my unit's serial number is 004366 The serial number indicate that this is a really old unit ? I think mine came from Iraq P
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TRA-931X Update
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Update here on the Hamvention TRA-931X. I am a happy camper at the moment. This rig does well on TX. I have used it on 75m phone with a external antenna with good results. I have made several CW contacts with it also using an external antenna. Can you believe SP3CW from Delaware on 15M after dark! The receive audio seems to be the only source of trouble. I have made a breakout box and have a amplified speaker attached. There are static noises similar to lightning crashes most of the time that are constant even when varying the volume control on the rig. I have not tried this on my other TRA-931 yet but last used with that rig there was no audio trouble. The audio output of the 931X seems to be very low by itself. Using a H-250/U handset I have the volume all the way up and I barely have noise or hear voices. Also the receive audio is still there when transmitting SSB or CW, it does not mute when transmitting. https://www.youtube.com/watch?v=bV7gaj6XYwo Any ideas. Dave KC3AM
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If someone is interesting I'm selling 2x RACAL PRM4720A in working condition 1 set includes; Radio PRM4720A Original antenna Hand combination Original racal bag 1x 8x1.5V battery case
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Dallas Lankford AGC Hang MOD for RA 6790
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Dallas Lankford AGC Hang MOD for RA 6790 Q Has anyone a copy of this modification ? Tnx-Graham G0NBD
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Hello everyone, I found a TRA-931X at Hamvention last week, s/n 14643. No screws to hold it in the case and no battery pack. Opening it up it looks great inside at first glance with no signs of trouble. I see that it has a circuit board above the T/R relay which my 931 does not. Also on the front it has two more BNC connectors. I do not have the manual for the 931X version yet to let me know what the differences are. Can anyone give me an idea of what I have here? Cosmetically it is a bit rough and dirty looking with some damage. Upon power up I have 18 watts on 21.260 in the tune position. I have not tried any other band. The frequency backlights all work with a Green color. The audio noise is there but a bit low and there are louder crackle noises that do not change with changing the volume control. When I input a signal from a service monitor on 21.260 AM, CW or SSB I do not hear anything. Any thoughts ??? Thanks much, Dave KC3AM
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Racal Panther V software.
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Does anyone out there in Racal land have a late copy of the Racal Panther V, EDR programming software¡..version 10 or above? The Part Number is: SW3635 73¡¯s, Julian Barnard.
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TRA3910 PA / PSU Module information
Hi group I know it's a long shot, does anybody have a schematic of the Rear PA and PSU module for the TRA3910 Yeoman HF radio? Kind regards George G8MAU
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Sat 8:39am
Sat 8:39am