Date: Fri, 14 Apr 2017 17:42:38 +0200 (CEST)
From: Jacek Lipkowski <sq5bpf@lipkowski.org>
To: rsgb_lf_group@blacksheep.org
In-Reply-To: <58EFF2D3.9020902@posteo.de>
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References: <58EEA12A.7010804@posteo.de> <5964cb49-4ac6-9d97-b48a-05bc07743528@psk31.plus.com> <58EF906A.1040205@posteo.de> <58EFF2D3.9020902@posteo.de>
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Subject: Re: VLF: EbNaut on 6470.1 Hz
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received the 20170413 transmission on 6470.1Hz in qth Warsaw (message sent 
to Stefan for confirmation):

found rank 2 ber 4.0375e-01 Eb/N0 3.3 M -1.230747461e+00 [xx] ps [  3 -150 -150 -150 -150]
carrier phase: 3.1
carrier Eb/N0: 2.4
carrier S/N: 12.98 dB in 34.7 uHz
elapsed 228

seems there is room for a few extra characters :)

VY 73

Jacek / SQ5BPF

On Thu, 13 Apr 2017, DK7FC wrote:

> Date: Thu, 13 Apr 2017 23:51:15 +0200
> From: DK7FC <selberdenken@posteo.de>
> Reply-To: rsgb_lf_group@blacksheep.org
> To: rsgb_lf_group@blacksheep.org
> Subject: VLF: EbNaut on 6470.1 Hz
> 
> VLF,
> 
> OK, there are still some improvements to do on the new system but now these 8 stacks (8 x 33 T106-52 cores inside the field, they
> have a weight of 8.13 kg!) are inside the field. The actual resonance frequency is 20 Hz down but that's OK for tonite.
> At least the antenna current stays at 460 mA for tonite.
> 
> Let's try a first EbNaut message on 6.47 kHz (not the first for Paul and me but for Eddie and maybe Jacek...):
> 
> f = 6470.100000 Hz
> Start time: 13.Apr.2017   22:00:00 UTC
> Symbol period: 36 s
> Characters: 2
> CRC bits: 18
> Coding 16K21A
> Duration: 8h
> Antenna current: 460 mA
> 
> 73, Stefan
> 
> 
> 
> 
> Am 13.04.2017 16:51, schrieb DK7FC:
>       Eddie,
>
>       http://www.g3zjo.talktalk.net/vlfgrabber.htm
>
>       The line is quite evident i find! I message decode will demonstrate it later :-)
>
>       73, Stefan
>
>       Am 13.04.2017 10:30, schrieb g3zjo:
>             I see from your Grabber that you ceased at 07:30. Shame because I needed a little longer to confirm the
>             line in my 47uHz, it looks promising though.
>
>             73 Eddie G3ZJO
> 
>
>             On 12/04/2017 22:50, DK7FC wrote:
>                   Now i'm down on 6470 Hz again.
> 
> 
> 
> 
> 
>
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