[Lowfer] WOLF!

Fri Jan 1 21:28:34 EST 2016

Still nice copy..happy new Year
lloyd W3NF

01:44:39 >WOLF RESTARTED

t:  24 f:-0.197 a:-0.3 dp:104.6 ci: 2 cj:459 LG38CD.86KUIDXX -

t:  48 f:-0.196 a:-0.3 dp:105.0 ci: 3 cj:381 XES WOLF 137.35 -

t:  96 f:-0.195 a:-0.4 dp:104.8 ci: 3 cj:381 XES WOLF 137.35 -

t: 192 f:-0.195 pm: 2062 jm:197 q:  9.9  9.1 XES WOLF 137.35 -

t: 288 f:-0.195 pm: 3020 jm:197 q: 11.2 10.8 XES WOLF 137.35 -

t: 384 f:-0.195 pm: 3401 jm:197 q: 10.9 10.2 XES WOLF 137.35 -

t: 480 f:-0.195 pm: 3408 jm:197 q: 10.4  9.9 XES WOLF 137.35 -

t: 576 f:-0.195 pm: 3650 jm:197 q: 11.1 11.3 XES WOLF 137.35 -

t: 672 f:-0.195 pm: 4287 jm:197 q: 10.4 11.2 XES WOLF 137.35 -

t: 768 f:-0.195 pm: 4965 jm:197 q: 11.4 12.2 XES WOLF 137.35 -

t: 864 f:-0.195 pm: 6444 jm:198 q: 12.6 13.3 XES WOLF 137.35 -

t: 960 f:-0.195 pm: 8590 jm:198 q: 13.7 14.4 XES WOLF 137.35 -

t:1056 f:-0.195 pm:10925 jm:198 q: 14.3 15.0 XES WOLF 137.35 -

t:1152 f:-0.195 pm:13352 jm:198 q: 14.8 15.4 XES WOLF 137.35 -

t:1248 f:-0.195 pm:15018 jm:198 q: 15.3 15.9 XES WOLF 137.35 -

t:1344 f:-0.195 pm:16172 jm:198 q: 15.5 16.1 XES WOLF 137.35 -

t:1440 f:-0.195 pm:16860 jm:198 q: 15.5 16.4 XES WOLF 137.35 -

t:1536 f:-0.195 pm:17773 jm:198 q: 15.6 16.4 XES WOLF 137.35 -

t:1632 f:-0.195 pm:18177 jm:198 q: 15.7 16.5 XES WOLF 137.35 -

t:1728 f:-0.195 pm:18521 jm:198 q: 15.8 16.5 XES WOLF 137.35 -

t:1824 f:-0.195 pm:18686 jm:198 q: 15.8 16.3 XES WOLF 137.35 -

t:1920 f:-0.195 pm:18767 jm:198 q: 15.8 16.4 XES WOLF 137.35 -

t:2016 f:-0.195 pm:18930 jm:198 q: 15.7 16.4 XES WOLF 137.35 -

t:2112 f:-0.195 pm:19412 jm:198 q: 15.6 16.5 XES WOLF 137.35 -

t:2208 f:-0.195 pm:20021 jm:198 q: 15.8 16.6 XES WOLF 137.35 -

t:2304 f:-0.195 pm:20857 jm:198 q: 16.0 16.6 XES WOLF 137.35 -

t:2400 f:-0.195 pm:21312 jm:198 q: 16.0 16.6 XES WOLF 137.35 -

On Fri, Jan 1, 2016 at 8:13 PM, John Andrews <w1tag at charter.net> wrote:

> As no year should ever go by without someone running WOLF at LF, my 2016
> contribution will be made tonight. WD2XES will run WOLF(10) on 137.350 kHz,
> starting at 2000Z. The setup is rigged to start at the top of each hour,
> and run for 30 minutes. The second half of the hour will be used for
> receiving, and for tuning network cool-down!
>
> For those who are new to the subject, WOLF is a BPSK mode, 10 bits per
> second in this case. It sends a highly error-corrected 15 character message
> over and over, repeating every 96 seconds. The text of the message is under
> the xmit operator's control. If you join the half hour in progress, you
> still probably decode the signal. The point of the repetition is to "build
> up" the copy over a long period of time, allowing weak signal reception on
> the order of QRSS60 detection limits.
>
> WOLF GUI software is available at:
> http://www.qsl.net/d/dl4yhf/wolf/index.html
>
> Do NOT dredge up the earlier command-line version on Stewart Nelson's site
> unless you are a real glutton for punishment.
>
> For casual use with a "big" signal, you may just be able to run the
> program without any frequency or sampling rate corrections. But nailing
> down your actual sampling rate will significantly improve your luck with
> weak signals. Your receiver calibration should be within 1 Hz for best
> results. Due to some changes at this end, the WD2XES frequency is about 5
> milliHertz high, due to DDS synthesizer round-off. The old exciter was more
> accurate, but is now enjoying a well-deserved retirement.
>
> I'd be happy to answer any questions, and of course to get reception
> reports. Have fun.
>
> John, W1TAG/WD2XES
>
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