Re: LF: 137.7770 kHz

[jcraig@mun.ca]

Thanks Jay.

I cant always see the sigs on your grabber and think perhaps
the aerial does not radiate as well to the west.

73
Joe

On Wed, 5 Jun 2013, jrusgrove@comcast.net wrote:

> Joe
>
> A look from closer in ... http://www.w1vd.com/grabber.html .
>
> Jay W1VD  WD2XNS  WE2XGR/2
>
>
>
>
> ----- Original Message ----- From: <jcraig@mun.ca>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Wednesday, June 05, 2013 7:34 PM
> Subject: Re: LF: 137.7770 kHz
>
>
> > Hi Stefan, Markus and Jean Pierre F1AFJ (Grabber service),
> >
> > Thanks for the report, Stefan.  I am happy you have something nice to
> > say about my sigs. Its good that they are reaching you when we are so
> > close to the solstice.
> >
> > They were also quite strong around that time on Jean Pierre's grabber as
> > well.
> >
> > As for Markus, he provided what I asked for  -- and now I must say his
> > very critical report is most gratefully received. :-)  The problem seems to
> > have disappeared after the 10 MHz input to the AD9851 was boosted with
> > a BJT amp.  The original interface simply offset the 1.5 V p/p
> > to 2.5V DC; the new one bosted it to 0-3V which is more in line with
> > the specs for the DDS.  Perhaps the chirps and phase glitches were
> > due to RF interfering with the weak 10 MHz input.
> >
> > I will be happy to try OP32 on another frequency soon.
> >
> > Thank-you very much for the good news and thanks all around.
> > The TX is now again QRV on QRSS30. (2330 UTC)
> >
> > 73
> > Joe
> >
> >
> > On Wed, 5 Jun 2013, Markus Vester wrote:
> >
> > > Joe,
> > >
> > > ok, then here comes a particularly un-welcomed report ;-)
> > >
> > > The problem seems to be solved, and this morning your trace appeared 
> > > perfectly focused in the narrow spectrogram. The frequency is 137777.0028, 
> > > give or take a couple of 100 uHz. How did you fix it?
> > > Would you like to try Op-32 again one of these days, preferably between 
> > > 137.5 and 137.6 kHz?
> > > Best 73,
> > > Markus (DF6NM)
> > >
> > >
> > > From: jcraig@mun.ca
> > > Sent: Wednesday, June 05, 2013 8:36 PM
> > > To: rsgb_lf_group@blacksheep.org
> > > Subject: Re: LF: 137.7770 kHz
> > >
> > >
> > > Hi Gary,
> > >
> > > Thank-you for the report, caputure and for running your FB grabber.
> > > I look for sigs on your grabber quite frequently to check the TX.
> > >
> > > The TX will be on again tonight, (without chirps I hope).  Comments
> > > about the phase (especially unfavourable criticism) are solicited and
> > > shall be most welcomed.
> > >
> > > 450 watts, 3.2 amps to a 100m wire at 15m. QRSS30.
> > >
> > > 73
> > > Joe VO1NA
> > > ...
> > This electronic communication is governed by the terms and conditions at
> > http://www.mun.ca/cc/policies/electronic_communications_disclaimer_2012.php
This electronic communication is governed by the terms and conditions at
http://www.mun.ca/cc/policies/electronic_communications_disclaimer_2012.php