[TenTec] Omni VI and W9XT Contest Card?

[Dennis Ashworth]

Has anyone interfaced the W9XT Contest Card (Voice keyer/CW interface) with
the Omni VI? I would like to install the W9XT Contest Card in my computer
and interface with the OMNI VI, but am concerned that TenTec's practice of
combining PTT and audio grounds may result in audio hum. Any experience???

Dennis, K7FL
Battle Ground, WA

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