[Lf] DCF 39 ???

[Frank Gentges]

Andre'

I completely forgot and never looked. :-(  We should have.
Frank


On Sun, 23 Jan 2000, Andre' Kesteloot wrote:

> 
> 
> OK Guys, what can we do about this ?  I did not even look for DCF while at Nags
> Head (at least not that I remember ...)
> Andre'
> 
> Mike Dennison wrote:
> 
> > >From Dave G3YMC
> > >I looked at the information and pictures on the Amrad site of the recent
> > >Nag's Head Dx-pedition today, which I found interesting.  I note however
> > >there is no mention of either the DCF39 signal (138.8) or CFH, the latter at
> > >least I would have expected to be audible there.  Mike G3XDV mentioned this
> > >week that reception of DCF39 must be a good indicator of a possible DX path
> > >to Europe.  However identification of this signal may be the problem as it
> > >is a continuous carrier with periodic bursts of data, and as such would
> > >appear as a solid line on a DSP display.
> > >
> >
> > Yes, but until DCF39 is detected by ear, there is no chance of amateurs
> > 70dB below it getting through, even using slow CW. I, too, was
> > disappointed that DCF wasn't mentioned. It would be interesting to see a
> > Spectrogram of the bands 135-137kHz and 137-139kHz using SSB bandwidths
> > on both the Rx and the DSP. In that bandwidth, Spectrogram will easily
> > show the modulation bursts.
> > --
> > Mike, G3XDV
> > IO91VT
> > http://www.dennison.demon.co.uk/activity.htm
> 
> 
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