[MRCA] MD-522/A Modem/Parts Wanted

[MilComm Guy]

Discovered after my failed attempt at last week's RTTY test that I have a
flakey A4 module in the modem.  A slight tap on it or rattle the outer over
on it and it starts working again.  So if you have a spare A4 module or a
whole unit to part with please let me know.  Hopefully I can keep it
working long enough for the test saturday.

73
Mark
K1HF
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