> > As well as the frequency listings mentioned, there are several on-line
> > "grabbers" showing spectrograms of VLF signals in near real-time. These
> are
> > very useful to see if other people are receiving the same signals as you
> > are, or if what you see is actually local QRM of various kinds. In DL for
> > example there is DF6NM's grabber page at
> > http://www.mydarc.de/df6nm/vlf/vlfgrabber.htm, and DK7FC's
> > http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html both
> > currently in regular use. In the UK, Paul Nicholson maintains plots of the
> > VLF spectrum at http://abelian.org/vlf/spectrum.shtml with an extended
> > frequency range from 0 - 85kHz. There is also live streaming audio from

Thanks Jim, I will use them to compare. But it seems the Nürnberg one gets 
signals weaker than mine. I am 3km off the northsea coast and thus have better 
levels, at least for MW and most likely for VLF as well.




Jurgen Bartels  Suellwarden, N. Germany
hor. Antennas: 11-ele 45-87MHz 13-ele Band-III, 48-ele UHF, FM: 15.11 
TV: Winradio G305 / Fly2000 + video noise filter & variable IF BW
FM: Downconverter + Perseus + Speclab as WFM demod.
MW: staggered 300m Beverage 320°,  30 x 4m EWE 320°, Winradio & Perseus
http://dx.3sdesign.de/tv_offset_list.htm
http://dx.3sdesign.de/station_list.htm

http://fewo.3sdesign.de  - Vacation home: DX right at the Northsea coast