[Lowfer] WD2XNS in WOLF mode

Douglas D. Williams kb4oer at gmail.com
Sat Feb 16 14:44:33 EST 2013


WOLF VS WSPR-15 in a direct weak signal receive test would certainly be
interesting. Not knowing much of anything about WOLF, it is quite obvious
to me that WSPR-15 is easier to get set up and running. All one needs is a
decent stability receiver, and an internet connection to set the computer
clock with a time standard. Actually, an internet connection isn't even
required if you have a $15 Wal-Mart "atomic clock" with a seconds display.

For successful WOLF operation, it seems the computer sound card needs to be
calibrated with a known frequency source.

So, if I understand correctly, WSPR's weak signal detection ability depends
very much on both the transmitting station and the receiving station having
a highly accurate timebase. This is easily achieved these days.

WOLF's weak signal detection ability is dependant on.....I know not what,
but I'm guessing extreme frequency accuracy/stability, like QRSS, only more.

73, Doug KB4OER

On Sat, Feb 16, 2013 at 1:52 PM, <jrusgrove at comcast.net> wrote:

> Thanks to all for the WOLF decodes ... will leave it running for a while
> longer.
>
> My intention this morning was to run WOLF 'heads up' against WSPR-15 ...
> but was unable to work around the different sampling rate issues on a
> single sound card. While it would have been possible on the transmit end to
> run two different computers to simultaneously transmit the two modes, the
> same would then be required on the receive end. Figured this was probably
> more trouble than most folks would want to deal with!
>
> Wolf DL4YHF (who coded the GUI version of the program) is looking into a
> change of sampling rate for WOLF. If this happens, I plan on running the
> test at a later time. Think it would be very interesting to see these two
> modes run side by side ... both during winter and summer conditions
>
> Jay W1VD  WD2XNS  WE2XGR/2
>
>
>
>
>
> ----- Original Message ----- From: "Garry Hess" <k3siw at sbcglobal.net>
> To: "lowfer list" <lowfer at mailman.qth.net>
> Sent: Saturday, February 16, 2013 12:39 PM
>
> Subject: Re: [Lowfer] WD2XNS in WOLF mode
>
>
>  Jay, just saw your note about Wolf and got a pretty quick decode at the
>> 200W level:
>>
>> 2013-02-16 17:32:35 >WOLF10  -r 11100.350 -f 400 -t 1.0 -w 0.0000 -ut
>> 17:32:59 f: 0.790 a:-0.2 dp: 77.9 ci: 2 cj:103 O118*JOP*ZHV/KN ?
>> 17:33:23 f: 0.266 a: 0.3 dp: 76.0 ci:14 cj: 69 VDQWJA.RFHK ESY -
>> 17:34:11 f: 0.898 a:-0.8 dp: 72.4 ci: 5 cj:428 ???AQ4XYHW99D30 ?
>> 17:35:47 f: 0.010 pm:21.15 jm:955 q: -5.9 -8.3 HOFELL7G2IP5KA6 ?
>> 17:37:23 f: 0.010 pm:26.12 jm:954 q: -4.0 -4.4 WD2XNS 200W TX  -
>>
>> --
>> 73, Garry, K3SIW, EN52ta, Elgin, IL
>>
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