Good Afternoon All:
I took my linear out of mothballs today in the hopes of gaining a few dB
on rtty. The soundcard and interface are creating feedback from the
linear so it all becomes unstable and not usable.
I have previously installed single-point grounding of the cases and
brken ground loops in the TX to interface to PC connections.
Anyone describe measures I should look at for using soundcard AFSK with
an amp. The interface is totally isolated with transformers on input
and output and uses the serial port with an opto switch for PTT.
Thanks
Curt
KU8L
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