[Lowfer] WD2XES CMSK

Lloyd Chastant lloydc6 at gmail.com
Sat Nov 28 20:18:03 EST 2015


Monitoring John but will see if any results
Lloyd W3NF

On Sat, Nov 28, 2015 at 11:30 PM, John Andrews <w1tag at charter.net> wrote:

> WD2XES is running CMSK8 mode tonight on 137.700 kHz until 0330Z or so.
>
> CMSK software may be downloaded from:
> http://www.qsl.net/zl1bpu/CMSK/cmsk.htm
>
> After making the usual soundcard selections, click CMSK8 on the lower
> right side of the screen. If you put your receiver in CW mode, and set the
> dial to 137.700 kHz, then you will have to click on the BFO pitch in the
> waterfall. In my case, that's 800 Hz, but yours may vary. The transmit
> frequency is very close to 137.700 exactly. If you decide to use USB mode,
> then the target pitch is 1700 Hz.
>
> When properly tuned, the tuning indicator shows a circle centered on the
> Y-axis, with vertical lines spaced equally on both sides. That may be
> difficult to see with a weak signal. Twiddling the fine tune slider under
> the tuning indicator will allow you to center the signal.
>
> Earlier tests of this mode didn't show the expected promise, but it won't
> hurt to try again from time to time.
>
> Reports are welcome.
>
> John, W1TAG/WD2XES
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