Re: VLF: Finally back on the 58 km band...

[DK7FC <selberdenken@posteo.de>]

Thanks Paul for that overview. Very nice! A few times i thought about 
providing a VLF stream from Heidelberg. This is a project for the next 
year. Not even a very big project. A simple Raspi could be used to 
provide that stream 24/7, with low power consumption...
73, Stefan

Am 29.12.2017 17:55, schrieb Paul Nicholson:
> Stefan wrote:
>
> > For this night, i run a short test message, ...
>
> > f = 5170.1000 Hz
> > Start time: 28.Dec.2017  18:30:00 UTC
> > Symbol period: 90 s
> > Characters: 1
> > CRC bits: 3
> > Coding 16K21A
>
> > Can someone confirm that the message run as expected?
>
> Todmorden (881 km)
> ------------------
>
>  Eb/N0 +12.1 dB phase 50.3 *Decoded*
>
> Bielefeld (303.8 km)
> --------------------
>
>  Eb/N0 +19.0 dB phase -51.9 *Decoded*
>
> Cumiana (504.6 km)
> ------------------
>
>  Eb/N0 +3.0 dB phase 171.0 *Decoded*
>
> Warsaw (919.3 km)
> -----------------
>
>  Eb/N0 +0.2 dB phase -10.4 *Decoded*
>
> All decodes at rank 0.
>
> >  The message was 'R', if i remember correctly :-)
>
> Correct!
>
> --
> Paul Nicholson
> --