The Racal TRA-931 is a manpack HF transceiver. Frequency selection is done by way of 5 decade switches giving a 1 kHz resolution. A search knob allows further tuning within the 1 kHz range.
The TRA-931 housing is made from industrial strength plastic and is water tight. The front panel has 2 connectors for mic/phones/keyer, AF-gain knob, mode-knob and small battery voltage indicator. A number of antennas can be connected to the TRA-931 which can be tuned with an internal antenna tuner (TRA-931A). For ham use 2 BNC connectors for 1.6-3 and 3-30 MHz are very suitable.
TRA931: Syncal 30
TRA931A: As standard set plus auto ATU
TRA931AP: Programmable version of TRA931A
TRA931L: Low temperature version of TRA931 -40 dec C
TRA931P: Programmable Syncal 30 2-8 Mhz 49ch 20W **
TRA931PL: Low temperature version of TRA931P
TRA931PR: Capable of remote control
TRA931X: Multi-role Syncal 30
TRA931XH: Frequency Hopping version of TRA931
TRA931Y: As TRA931X but with component changes for operation at lower temperatures. -25 deg C
i owen one and its a great rig, usb, lsb, am, cw..easy rig to work with, built in gold plated rollor tuner tunes from 1.6-29.999mhz. it has a built in swr meter for tunning, built in dehumidafier, about 11-LBS. w/o battery, i use to pc laptop batterys lithium light, you can run radio from 12-24vdc, 12v less output pwr, receiver good sensitivity, nice rit control good for cw with built in sidetone & delay, receives broadcast stations nice, lacking back light i guess to save pwr, you can switch from 5w or 20w, 2-inputs for 1.6 to 3mhz and 3 to 29.999mhz,2-inputs for headset and cw key, all in all the best all around radio for to money. they run forsale about $700-$1100 depending on etcs with it? from denny w7gg. hope this helps?
Got mine in 2010, I have the battery case, handset, headphones and the whip. Radio can be carried on an Alice Pack with shelf which I have. Excellent receiver and transmitter. 20W from Singapore to Japan (whip)and US (end fed 5m wire acting as vertical with counterpoise). Macho Radio for Macho Ham.
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