[ARC5] Info for VHF Transmitter

Cliff Miller cliff52 at gmail.com
Sat Jul 1 13:20:56 EDT 2017


Just bought an A.R.C. VHF transmitter marked T-21.  There is no mention of
"ARC-5" on the label.  It has four 5763 tubes so must be similar in design
to the T-13A of the Type 12 radio set except it has 10 crystals instead of
5.

Any info or assistance in identifying this radio would be appreciated.  I
haven't found any manual or schematic or article on a transmitter with this
designation.

My application for this is to pair it with an R-508 I have running.  I have
that cabled up to an old control box using information on the R-19 from my
Type 12 manual.  That works fine to monitor air traffic passing by, LOL.

My theory is that both of these are 50s radios rather than WW2, that these
may have been civilian service products.

Another orphan I've adopted is a single receiver C-22A control box for
which I've found no information, either.  It worked with the R-508 in a
fashion, except the volume control worked backwards (counter-clockwise =
louder).

Thanks!

-- 
Cliff Miller W4HGR
cliff52 at gmail.com
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