On Jan 30, 2009, at 10:10 PM, Kok Chen wrote: > Again, if you refer to VE3NEA's plot, a quite > band with no QSB (AWGN) needs a SNR of -8 dB (in a 3 kHz passband) to > print well. Oops, I mean a "quiet band," not a "quite band." Sorry. 73 Chen, W7AY