[Milsurplus] Speculations on ground radios and the GRC-14

[Jim Whartenby]

The ARR-36 used the same modules as the ARC-21 less the modulator and power amplifier.  The controls were the same as used for the ARC-21.  The ARR-36 case was not pressurized, AFAIK but perhaps because of no high voltage, it wouldn't need to be.
Jim
Logic: Method used to arrive at the wrong conclusion, with confidence.  Murphy 

    On Thursday, May 7, 2026 at 01:19:49 AM CDT, Hubert Miller via Milsurplus <milsurplus at mailman.qth.net> wrote:   

 
.>From: boeing377 at gmail.com <boeing377 at gmail.com> 
Sent: Wednesday, May 6, 2026 9:40 PM


Don’t forget the very rare ARR 36. As I recall it was the receiver of the ARC 65 in a stand alone box. Never saw one. Did once own the TO manual for it. 

AI says:
• The ARR-36 is listed as the R-224/ARR-36
• Described as an HF Auxiliary Receiver
• Associated with the AN/ARC-21
• Installed in aircraft including the:
o B-47
o B-52
o KC-135
o VC-137A  
Mark
>AF6IM

What kind of tuning did the ARR-36 have ? Like a certain number of presets ?
-Hue Miller 

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