OLD QSLs
From the files of W3IYQ
(click on small picture for full size)
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Card from OQ5CF, Belgian Congo |
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Although most are AM phone, there are at least 3 CW qsos in the group above.
Rig used was a bc-610D transmiter with an ht-18 exciter and an hro receiver. W3iyq extensively reworked the speech amp for high quality audio.