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Date: Thu, 10 Sep 2009 21:57:50 +0100
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From: Gary - G4WGT <g4wgt@tiscali.co.uk>
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: Re: RE: WOLF - ready to RX
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John, Roger & Group,

It took me several attempts to calibrate the sound card but OK now.

Gary - G4WGT.

2009-09-10 20:30:17 >WOLF10  -r 7985.608 -f 800 -t 3.0 -w 0.0000 -ut
20:30:41 f:-2.791 a:-1.0 dp: 97.3 ci:11 cj:152 M0BMU IO91VR 2W -
20:31:05 f:-2.791 a:-1.0 dp: 97.3 ci: 9 cj:152 M0BMU IO91VR 2W -
20:31:53 f:-2.791 a:-1.1 dp: 94.2 ci: 8 cj:152 M0BMU IO91VR 2W -
20:33:29 f:-2.783 pm:141.2 jm:655 q:  2.4  2.3 M0BMU IO91VR 2W -
20:35:05 f:-2.773 pm:371.6 jm:654 q:  3.9  3.8 M0BMU IO91VR 2W -
20:36:41 f:-2.773 pm:373.1 jm:654 q:  5.1  5.2 M0BMU IO91VR 2W -
20:38:17 f:-2.773 pm:373.4 jm:654 q:  4.7  4.7 M0BMU IO91VR 2W -
20:39:53 f:-2.773 pm:373.8 jm:654 q:  3.5  3.0 M0BMU IO91VR 2W -
20:41:29 f:-2.744 pm:471.3 jm:649 q:  3.0  1.6 M0BMU IO91VR 2W -
20:43:05 f:-2.744 pm:515.1 jm:648 q:  2.6  2.0 M0BMU IO91VR 2W -
20:44:41 f:-2.744 pm:515.5 jm:648 q:  2.6  2.0 M0BMU IO91VR 2W -
20:46:17 f:-2.744 pm:515.9 jm:648 q:  2.3  1.8 M0BMU IO91VR 2W -
20:47:53 f:-2.744 pm:515.9 jm:648 q:  2.2  1.7 M0BMU IO91VR 2W -
20:49:29 f:-2.744 pm:516.7 jm:648 q:  2.0  1.5 M0BMU IO91VR 2W -
20:51:05 f:-2.744 pm:516.8 jm:648 q:  2.0  1.0 M0BMU IO91VR 2W -
20:52:41 f:-2.744 pm:518.4 jm:648 q:  1.9  0.3 M0BMU IO91VR 2W -


2009/9/10 John P-G <gm4slv@sighthound.demon.co.uk>:
> Roger Lapthorn wrote:
>>
>> Well, easy for some (I can see) but NOT for me. What am I doing wrong?
>>
>
>
> Roger,
>
> Unfortunately I don't think I can help, as I'm a total novice at WOLF, so
> can't really come up with any quick fixes!
>
> All I did was set the centre frequency to match the USB tuning offset - tune
> low 1kHz to 502.5 and set centre frequency to 1000Hz.
>
> I think pretty much everything else standard.
>
> Looking at my version I see that under "Mode"... I have "Receive Only"
> ticked, "WOLF 10[symbols/sec] " ---> "Normal Speed" ticked.
>
> That's all I've done initially and it worked. Lawrence in China suggested I
> try to calibrate my soundcard, so I followed his suggestion.
>
> I know, as has been discussed before, that WSPR is often touchy about
> soundcard sampling rates and string signals.
>
> Don't know if WOLF is the same.
>
> But at least can adjust for this in the software with WOLF though.
>
> Tune to 197kHz in USB mode. THe Radio 4 carrier should be at 1kHz. If you've
> chosen a 1kHz centre frequency, on the WOLF Config tab there's a button
> marked "Cal" in the receive options area. Press it. It will work out a
> correction factor for your soundcard. I think you're then asked to accept
> the value offerred... do this and then start again. See if this fixes
> things.
>
> As Dave YMC rightly comments - this might be one to try and then forget,
> although it seems (of setup correctly) to be quite sensitive.
>
> Cheers,
>
> John
> GM4SLV
>
>
>
>
>