3DB would be fantastic! I believe Dex can move as easily as I can. Our authorization is for 68-76 so there is plenty of room to try and find a better channel for us. I can and have transmitted from the band edge limits and am ready to go-Bob
> From:
[email protected]> To:
[email protected]> Date: Tue, 22 Oct 2013 17:24:21 +0100
> Subject: Re: LF: 74.5493 instead...(1of2)
>
> Dex, glad to get confirmation that the late captures were of your
> sigs. The best I have seen so far is a readable 'X', but otherwise
> tantalisingly below the threshold.
>
> I believe we can get another 3dB by moving to a lower frequency. The
> one currently in use is in the skirts of the noise from DCF77 and
> this will probably affect the mainland Eu stations more than me. I
> was unsure whether the reduced noise a kHz or two lower was due to
> the resonance curve of my own antenna, and still need to do more work
> on this (rainy weather is stopping me at present). I have also tried
> to do an overnight wideband spectrum plot, but again have been
> thwarted by high static over the last few days.
>
> If that 3dB improvement in SNR is possible then you should be easily
> readable on a good night. And the change in the oak trees will
> definitely help.
>
> It's interesting stuff. I will publish the result of my noise tests
> as soon as I have good data.
>
> 73 de Mike
> =========
>
> > I've been running /5 from sundown to sunup. 200 watts leaving the
> > shack. Perhaps the signal will improve when the oak trees under the
> > top hat wires are bare. The leaves are just now beginning to fall.
> > Most of the several hundred feet of top hat wires run over a
> > combination of oak and pine trees. I've often wondered if my antenna
> > would be more efficient with more loading instead of having the top
> > hat. I'll probably never know because it would be way to much work to
> > find out. The antenna has been in use for 8 years. I may find out
> > when the top hat wire fails because I doubt I'm now able to replace
> > them.
> >
> > Nice to at least see those traces Mike.
> >
> > Dex
> >
> > Bob Raide wrote:
> > > Mike;
> > > I can see that I have to stay on longer at least to 0600. You
> > > haven't missed a night of good captures-QRN, poor conditions doesn't
> > > stop you! Very consistent captures-good to see Dex "almost"
> > > there-just gonna need a decent night with lower noise that should be
> > > coming with the colder WX-Bob
> > >
> > > > From:
[email protected]> > > > To:
[email protected]> > > > Date: Mon, 21 Oct 2013 17:37:09 +0100
> > > > Subject: Re: LF: 74.5493 instead...(1of2)
> > > >
> > > > More good pictures attached from last night despite some heavy
> > > > static. Still no complete call from Dex on 74.5485kHz, but plenty
> > > > of traces again.
> > > >
> > > > Mike, G3XDV
> >
> >
>
>
>
