[R-390] photo of R-725 in AN/TRD-23 DF system

[Nick England]

Interesting info from another list -

---------- Forwarded message ----------
From: Mike ambgh.0000 at gmail.com
Date: Thu, Mar 12, 2015 at 1:55 PM
Subject: Re: [coldwarcomms] ASA DETACHMENT at NSGA NORTHWEST VA

These aren't R-390's

<http://oldspooksandspies.org/Photos/Chisholm/paulda1.jpg>.

They are  R-725's <http://www.radioera.com/r390a.htm>

The R-725's had a modified IF to work with the TRD-23.

I maintained these radios at Shu Linkou AS, Taiwan for the ASA detachment.
They used a conical monopole for an antenna.

Mike Dick, SMSgt, USAF, Retired
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