Mike;
Interesting indeed. When you operated here was there a push by the UK ops to move to 137? How did that come about? RSGB influence to move to 137 and just give back 73?
> From: mike.dennison@ntlworld.com
> To: rsgb_lf_group@blacksheep.org
> Date: Thu, 24 Oct 2013 16:11:00 +0100
> Subject: RE: LF: 74kHz - WG2XRS/5 callsign at last (2of2)
>
> Oh yes. But it is a little early in the year and it will reduce as it
> does on the other low bands, with some zero static days. When we had
> the band some years ago, we were mostly using CW and QRSS3 over
> shorter distances (my record was about 1100km) but we tended to
> operate early in the morning when the static was at its lowest.
>
> I reduce the interference here by using the quite effective noise
> blankers in my Afedri SDR receiver, together with lots of fast AGC.
> Then heavy limiting and a further noise blanker in SpecLab. The
> resultant 'holes' are small compared with the QRSS60 bit length.
>
> de Mike
>
> > Mike;
> > Is that "pesky static" a characteristic of this band-from your passed
> > experience?
> >
> > > From: mike.dennison@ntlworld.com
> > > To: rsgb_lf_group@blacksheep.org
> > > Date: Thu, 24 Oct 2013 15:30:14 +0100
> > > Subject: Re: LF: 74kHz - WG2XRS/5 callsign at last (2of2)
> > >
> > > Well, Dex that was the good news. The bad news is that, as I
> > > cautioned earlier, the lower noise level lower in the band was a
> > > function of my antenna pass band, and not of absolute noise. I re-
> > > tuned to a lower frequency and it wasn't any better. So the current
> > > frequency seems as good as any.
> > >
> > > Interestingly, I left my SDR plotting a few kilohertz around 74k
> > > last night with long integration and I could see the shape of my
> > > antenna passband produced by the night-time static acting as a
> > > broadband noise generator. At last, I have found a use for that
> > > pesky static!
> > >
> > > de Mike
> > > =======
> > >
> > >
> > > > Mike Dennison wrote:
> > > > > More pics including the XRS/5 caps.
> > > > Thanks Mike! That's a keeper.
> > > >
> > > > Dex
> > > >
> > >
> > >
> > >
> >
>
>
>
