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Message-ID: <006f01ccde8d$e50d4970$4001a8c0@lark>
From: "Alan Melia" <alan.melia@btinternet.com>
To: <rsgb_lf_group@blacksheep.org>
References: <4F246297.4020304@charter.net>	<CAK59VFPZbR3e=ud4f5LoJEieq4k68JrCFX0mc5YWn6=iQeyPhQ@mail.gmail.com>	<D482A9D08A154AEE89FCD29CF169D184@intelp4>	<4F248C0B.9060306@charter.net> <CAK59VFPeX9ARZqOv446M514zsnEf7qQ+kPnWNq8eF1eMs7kpwg@mail.gmail.com> <002f01ccde8b$b09c1060$11d43120$@com>
Date: Sun, 29 Jan 2012 13:57:00 -0000
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Subject: Re: LF: WD2XES WOLF Saturday Night
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Hi Terry I cant remember now when I last used this with John but I seen to
remember it was very finicky about the Soundcard calibration, and you have
to trim it to pretty close of it wont copy. John is the obvious guide on
that.

Alan
G3NYK

----- Original Message ----- 
From: "Terry GW0EZY" <gw0ezy@sky.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Sunday, January 29, 2012 1:41 PM
Subject: RE: LF: WD2XES WOLF Saturday Night


> John & Chris
>
> Thanks for the info on your settings.
>
> I use an SDR-IQ with output to Virtual Audio Cable VAC. The SDR-IQ is set
to
> produce an 2 kHz audio output from 136-138 kHz so that 136 kHz = 0 Hz
audio.
> SL, Opera WSPR and now Wolf are connected via the VAC. With these settings
a
> Wolf signal Tx = 137.249 kHz should produce an audio signal of 1249 kHz
and
> I have set the Wolf centre frequency to this. I wait to see if I get any
> decodes!
>
> However, there may be other issues such as sample rate for the VAC. What
> happens when different programs using different sample rates connect to a
> single VAC? I have just been experimenting with the dual receive facility
of
> the SDR-IQ and stereo processing mode of SL to feed the 19580.0 kHz signal
> (GBZ, MSK200) into the left channel and 136-138 KHz into the right. The SL
> sampling rate detector shows a "lock" and measures the SR error of the
VAC.
> But whether this is actually of benefit I'm not sure!!
>
> 73 Terry GW0EZY
>
> -----Original Message-----
> From: owner-rsgb_lf_group@blacksheep.org
> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Chris 4X1RF
> Sent: 29 January 2012 00:21
> To: rsgb_lf_group@blacksheep.org
> Subject: Re: LF: WD2XES WOLF Saturday Night
>
> Terry, John,
>
> In my case I've chosen 1500Hz for no particular reason, the receiver
> is a direct conversion front-end feeding an M-Audio board run at
> 48ks/s and SpectrumLab as the mixer-filter-demodulator stage. Audio is
> routed to Wolf with VAC.
>
> QRV now on 137294 for the night... time to get some sleep....
>
>
> 73s
> Chris 4X1RF
>
>
> On 1/29/12, John Andrews <w1tag@charter.net> wrote:
> > Terry,
> >
> > In receiving, I use the default center frequency of 800 Hz, and put the
> > receiver into CW mode. I have the receiver BFO set for an 800 Hz pitch,
> > and the dial frequency set to the transmit carrier frequency of 137.294
> > kHz. In my case, this allows use of a 250 Hz IF filter in the receiver,
> > which can be an advantage if other stations fire up a bit higher in the
> > band.
> >
> > Chris's settings are fine, but I've had better luck at this QTH with the
> > receiver run in a narrower BW.
> >
> > John, W1TAG
> >
> > On 1/28/2012 6:51 PM, Terry GW0EZY wrote:
> >> Chris/John
> >>
> >> Please could you provide more information on your Wolf configuration
> >> settings? There are a few variables and it would increase the chance of
> >> decoding if these were known. Sorry if I missed this an earlier email.
> >>
> >> The default Centre frequency in the Wolf GUI is 800 Hz but in your
> >> decodes you (seem to) have f=1500. How does this relate to a Tx
> >> frequency of 137.294 kHz? I'm assuming the operating frequency for Rx
is
> >> USB dial + Wolf Rx centre frequency?
> >>
> >> 73s Terry GW0EZY
> >>
>
>> ------------------------------------------------------------------------
> >>
> >> *From:*owner-rsgb_lf_group@blacksheep.org
> >> [mailto:owner-rsgb_lf_group@blacksheep.org] *On Behalf Of *Chris 4X1RF
> >> *Sent:* 28 January 2012 23:18
> >> *To:* rsgb_lf_group@blacksheep.org
> >> *Subject:* Re: LF: WD2XES WOLF Saturday Night
> >>
> >> John,
> >>
> >> Following the successful receive of Markus's Wolf10 transmission this
> >> evening, I'm now QRV on 137.294kHz. Will report tomorrow.
> >>
> >> 73s
> >> Chris 4X1RF
> >>
> >> On Sat, Jan 28, 2012 at 11:03 PM, John Andrews <w1tag@charter.net
> >> <mailto:w1tag@charter.net>> wrote:
> >>
> >> WD2XES will be running WOLF(10) on 137.294 kHz tonight starting around
> >> 00 UTC. If CFH comes back on in the interim, I may have to QSY, but
they
> >> appear to have been off all day.
> >>
> >> Reports are welcome.
> >>
> >> John, W1TAG/WD2XES
> >> FN42ch
> >>
> >>
> >>
> >>
> >> No virus found in this incoming message.
> >> Checked by AVG - www.avg.com
> >> Version: 8.5.455 / Virus Database: 271.1.1/4171 - Release Date:
01/27/12
> >> 19:34:00
> >>
> >
> >
>
>