Hi Mike,
It depends. I normally use the 30dB setting, and this is fine for good S/N,
but for very weak signals, one needs to keep the noise in the picture in
order not to lose the signal you are looking for. I think the result I got
with Spectrogram speaks for itself.
John, G4CNN





_______________________________________________________
Send a cool gift with your E-Card
http://www.bluemountain.com/giftcenter/