[ICOM] Fwd: AFSK (PSK31) via 6-Pin Mini-DIN

[K4RO Kirk Pickering]

On Sun, Jul 11, 2004 at 09:57:13AM -0500, Dwayne T Walker wrote:
> Pin 2: All Grounds, there are more than one ground on my interface. I
> believe that they can all be connected together with no problems.

I would recommend against tying the mic ground and the PTT ground
together.  You may have to try it both ways, but I have seen some
ground loop (hum) problems with voice keyers solved by keeping the
mic ground seperate from the PTT ground (usually chassis.)

73

-Kirk  K4RO