Re: VLF: New EbNaut announcement...

[DK7FC <selberdenken@posteo.de>]

Jacek,

What about FR5ZX?!! Her lives here: 
http://no.nonsense.ee/qth/map.html?qth=LG78PU
He decoded me several time on 475 kHz WSPR but this is another story. 
But it already confirms that he has a PC with a soundcard and internet 
access, which is a good first step! :-)
73, Stefan

Am 23.02.2017 13:49, schrieb Jacek Lipkowski:
> and for the next step, maybe there is someone on the list who lives 
> near the magnetic conjugate point from you :) this would probably be 
> around africa
> jacek
>
> On Thu, 23 Feb 2017, DK7FC wrote:
>
> > Date: Thu, 23 Feb 2017 13:20:48 +0100
> > From: DK7FC <selberdenken@posteo.de>
> > Reply-To: rsgb_lf_group@blacksheep.org
> > To: rsgb_lf_group@blacksheep.org
> > Subject: Re: VLF: New EbNaut announcement...
> >
> > GM Eddie, Jacek,
> >
> > Thanks for the decode, i confirm the message is correct ;-) With such 
> > long messages, a false decode
> > that makes some sense becomes most unlikely. I would never send 
> > messages like 'h;?T 7!F' :-)
> > Jacek, the QRN looked quite low here last night. Anyway i would say 
> > there is a clear SNR improvement
> > on your side. We could certainly manage longer messages but then we 
> > may exclude some newcomers.
> > Actually i am now in the situation to run daily VLF transmissions, 
> > even during rain. The antenna
> > current was almost stable at 700 mA during the whole transmission time.
> > I'm now waiting for a feedback from Alex/RN3AUS, and i am optimistic. 
> > You already see, the messages
> > become longer and longer. The next attempt would be 10 characters 
> > which still seems to be realistic
> > for a radius of 2000 km.
> > BTW EA5DOM is also within this radius! :-)
> >
> > 73, Stefan
> >
> >
> > Am 23.02.2017 09:35, schrieb g3zjo:
> >
> >       GM Stefan / Jacek
> >
> >       Successful decode in Northampton UK IO92ng. Message sent off 
> > list for confirmation.
> >       ---------------------------------------------
> >       found XXXXXXXX
> >       list rank 0
> >       reference phase  180  180  180  180
> >       carrier RMS 6.366e-005 noise RMS 6.268e-006
> >       carrier S/N 20.14 dB in 24.8 uHz
> >       carrier Es/N0 -11.15 dB
> >       carrier Eb/N0 3.55 dB
> >       info bit period 884.21 seconds
> >       symbol error rate 505/1344 = 37.574 %
> >       Es/N0 from symbol errors -12.9 dB
> >       Eb/N0 from symbol errors 1.8 dB
> >       Shannon capacity 12.8 bits/hour
> >       Shannon efficiency 31.8 %
> >       elapsed 31 seconds
> >
> >       73 Eddie G3ZJO
> >
> >                   Hi all,
> >
> >                   Hereby i'm announcing the next EbNaut attempt for a 
> > longer night
> >                   transmission, starting in a few hours:
> >
> >                   f = 8270.100000 Hz
> >                   Start time: 22.Feb.2017   18:00:00 UTC
> >                   Symbol period: 30 s
> >                   Characters: 8
> >                   CRC bits: 16
> >                   Coding 16K21A
> >                   Duration: 11h, 12m, 0s
> >                   Antenna current: 700 mA
> >
> >                   73, Stefan