[R-390] r#390A SSB adapter from the 80's

declind declind declind at sympatico.ca
Fri Feb 17 09:11:03 EST 2017


I recently acquired a simple appearing  SSB adapter made by GB communications in
WA state USA.
 I have no documentation and was wondering if any one can help with hook-up and
operating instructions.
Thanks
Jan VE2JL


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