[Scan-DC] Antenna Help

[David L. Wilson]

> I'm getting a major buzzing/hum sound on AM civ airband.. it's so bad that
i
> can barely listen.. i dont know why.. it happens on and off.. I dont think
> it's grounded properly? could that be it? also i notice when the a/c or
> someone outside cutting the grass or workers with chainsaws or other
> machinery ruin my recieve. i can hear the noise from the machines.. how do
i
> resolve this..

Probably a light dimmer, noisy flourescent light, or touch switch.
Turning those monostrosties off may help.
Easier general help might be a DSP audio filter.