[Elecraft] On zero beating

[Bruzenak George]

I just tried it, and it works very well.   Now I can use STP, the
transmitted signal and WinPSKse to fine tune to 700Hz.

Thanks for the tip.

George, K0CNT
From: "George, W5YR" <w5yr@att.net>


> That "ultimate spotting tool" is as near as your computer connected to
your
> radio audio output and running any of the PSK31 programs with a waterfall
> display or the SpectroGram program.
>
> With such displays, one can readily identify the offset tone frequency
> being heard and can then adjust the tuning to present exactly the desired
> tone. For example, I prefer an offset of 700 Hz so I have a waterfall
> marker set on my PSK31 program at 700 Hz. When tuning in a CW signal, I
> merely tune until the signal "track" is placed under the marker. Then I
> will be transmitting directly upon the other station's frequency and will
> hear that station at an audio frequency of 700 Hz.
>
> I have found this method superior to all others, plus it gives you a
> panoramic display of other cw signals within the receiver filter passband
> being displayed.
>
> Of course, this approach requires that a computer be present and running
> the proper program so it wouldn't have much appeal for portable operation
> unless a laptop were available. But, for home station use, it is a
valuable
> tool to have when working CW.
>
> 72/73/oo, George W5YR - the Yellow Rose of Texas
> Fairview, TX 30 mi NE of Dallas in Collin county EM13qe
> Amateur Radio W5YR, in the 56th year and it just keeps getting better!
> QRP-L 1373 NETXQRP 6 SOC 262 COG 8 FPQRP 404 TEN-X 11771
> Icom IC-756PRO #02121  Kachina #91900556  IC-765 #02437
>
> All outgoing email virus-checked by Norton Anti-Virus 2002
>
>
> Steve Lawrence wrote:
>
> > Perhaps the "ultimate" spotting tool would be to measure the audio
> > frequency of a received CW signal and display it -- perhaps at the touch
> > of a button.  Knowing your sidetone is set to, say 700Hz, you could then
> > adjust the dial frequency so the received CW signal is also at 700 Hz.
> > Since the K2 has a frequency counter logic, perhaps this feature could
be
> > implemented?
>
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