[Milsurplus] AN/ARC-9 aka Bendix RTA-1B

Hubert Miller kargo_cult at msn.com
Sat Sep 3 02:05:48 EDT 2016


From articles and photos i have seen, i would say the RTA-1B was much more used in civilian aviation than military. Perhaps this had something to do with it being
crystal controlled, not user resetable.
Western Electric had a 2-fixed channel option for its model 20A aircraft receiver ca. 1936.
Japanese military air forces had several combined receiver-transmitters in one package, dating back to 1936.
I believe you are referring to aviation radio, only.
-H M

From: Milsurplus [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of antqradio at sbcglobal.net
Sent: Friday, September 2, 2016 8:12 PM
To: MilSurplus QSLNet <milsurplus at mailman.qth.net>
Subject: [Milsurplus] AN/ARC-9 aka Bendix RTA-1B

Evidently this is the first receiver-transmitter put in one package.  Built throughout WW2, originally for the airlines but adopted by AAF for use in transport aircraft.  This is the only one I have ever seen.  Covers 2.5 to 13 mc with 50 watts AM output when powered by 25 VDC.  Crystal controlled, 10 channels, a feather weight at about 70 pounds.  No rack or remote control, just the RT unit in good condition.

Seems that this was replaced by ART-13 transmitter and a suitable receiver according to the Graphic Survey of Radio and Radar Equipment used by AAF.  The only WW2 era channelized receiver I know of is the ARR-15.  Were there any other autotuned receivers besides the ARR-15?

If there is a serious interest, I'll lug it to the Mena, Arkansas Hamfest next Saturday, 10 September.  I'll sent photos to those interested parties.  Next stop is eBay but I thought I'd offer it here first.
Jim
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