Re: LF: To all VLF transmitters

[Jacek Lipkowski <sq5bpf@lipkowski.org>]

visible here.

please disregard the graph description, this is from 3h periods with 
92.6uHz bins, i'm running a better resolution plot now, but it will take a 
while to calculate (only 1.6GHz cpu)
VY 73

Jacek / SQ5BPF

On Fri, 15 Sep 2017, DK7FC wrote:

> Date: Fri, 15 Sep 2017 23:16:35 +0200
> From: DK7FC <selberdenken@posteo.de>
> Reply-To: rsgb_lf_group@blacksheep.org
> To: rsgb_lf_group@blacksheep.org
> Subject: Re: LF: To all VLF transmitters
>
> Hi Luis, Mike, VLF,
>
> A carrier is now running since 21 UTC on 8270.005 Hz. I decided to use the
> large coil, so i can run more antenna current. The antenna current is now 600
> mA, a 6 dB stronger signal than planned.
>
> I intend to run it for > 24 hours so tomorrow it is the time for you to watch
> your spectrogram(s).
>
> 73, Stefan
>
> PS: Luis, it would be a first detection of VLF in Spain!
>
> Am 12.09.2017 10:24, schrieb VIGILANT Luis Fernández:
>       Will be interesting to have a signal in the 36km band, Stefan
>  
> I'm also running my grabber at 8270.007 with SpectrumLab and 1pps sync
> The 11904 Alpha is also monitored. Unfortunately still much noise in
> the VLF band
> but let's try the 47uHz FFT
>  
> BTW. Signal stopped last night
> https://ea5dom.ure.es/grabber/index.html
>  
> 73 de Luis
> EA5DOM

dk7fc_1.png
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