Topband: Digital mode spurious issues

[Jim Brown]

On 1/28/2014 12:32 PM, Mike Waters wrote:
> If you see hum from a ground loop, then simply isolate the
> audio line using an audio transformer from an old 56k modem.

No transformer is necessary. Simply bond from chassis to chassis of all 
the interconnected equipment, and, if possible, get power for all of it 
from the same AC outlet.

73, Jim K9YC