Frank- I think that there is MUCH confusion in our ranks on this subject. For instance, I set my rig to one frequency (usually 14,070.00) and leave it there. I tune to different signals by moving the "marker" that shows the offset from the base frequency on the waterfall. The radio bandwidth is many times as wide as the signal width (for PSK31), and many signals can be accommodated in the passband. I have a tuneable Digital filter, and one of the most educational tricks is to shift the upper and lower audio limits of the filter, and watch the result on the waterfall One of the sources of the confusion is the ambiguity in the meaning of "best". I think that it is highly improbable that we can get a clear definition. Good luck- Bill-W4BSG
At 10:27 PM 9/4/2007, you wrote: >Hey group, this is Frank K2NCC, > >Just wanted to ask what is surely a noobie question or two. > >If my waterfall (using MixW) can receive a signal between 300KHz and >3000KHz on the spectrum, that's my bandwidth of the radio, right? >Seems to match what the manual says, 2700. > >I've read where PSK31 is best at 1000KHz on the audio marker in a QSO. >But, one could QSO pretty far on either side of that line if you >avoid the fringes. Right? > >Oh, if it matters, the radio is TS-830S and a Signalink. > >Well, the halfway point on the waterfall for me is about 1650 on the >audio marker. > >I'm guessing that whatever frequency I'm on when I tune the signal to >that 1650 point, is the frequency they're transmitting on. I asked >and have been very close, but can only hope that my rig is on the >mark. Either way, it's not been off by more than 3Hz. Since the rig >only has six digit display, I round it off anyway. > >Is that the best place to transmit and receive? Dead center of the >frequency seems to be the ideal place if both sides are doing the same. > >73. Frank K2NCC > > > >Announce your digital presence via our Interactive Sked Page at >http://www.obriensweb.com/drsked/drsked.php > >Yahoo! Groups Links > > > We batter this Planet as if we had someplace else to go.
