Is using a sound card good enough? One of my elmers <sk> had a
dedicated two channel audio generator for testing.
Motorola published a white paper by Helge Granberg on IMD
Jeff Blaine AC0C wrote:
> Of course, a real IMD test requires a 2 -tone source and you can download
> those applications on the web free of charge. A good quick and dirty
> solution is to switch your digi mode application over to PSK. In fact, if
> it were up to me, it would be a legal requirement for all PSK ops to have
> station monitors of this type when running PSK. Lot of misinformation and
> nonsense in that community among the rookie ops.
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