Date: Tue, 14 Feb 2017 17:22:19 +0100 (CET)
From: Jacek Lipkowski <sq5bpf@lipkowski.org>
To: rsgb_lf_group@blacksheep.org
In-Reply-To: <58A2DCAE.90605@posteo.de>
Message-ID: <alpine.DEB.2.11.1702141719270.642@mailn.lipkowski.org>
References: <CAGZ2MyYDKx5B6HSg1Z7XeoWZigvDgVS8XLT82A1aXW6ogFxFqg@mail.gmail.com> <CAGZ2MybHvQfRwPTSXY29+2emcoo1hoMFVR19Pe+M=R04hzzgew@mail.gmail.com> <bcf0fd91-53ed-7a16-d82d-ad2a6ffe38bf@abelian.org> <58A2DCAE.90605@posteo.de>
User-Agent: Alpine 2.11 (DEB 23 2013-08-11)
MIME-Version: 1.0
Content-ID: <alpine.DEB.2.11.1702141721070.642@mailn.lipkowski.org>
Subject: Re: LF: Re: DK7FC EbNaut message on 8270.1 Hz decoded nr Moscow by
 RN3AUS
Content-Type: MULTIPART/MIXED; BOUNDARY="17435139-795218041-1487089230=:642"
Sender: owner-rsgb_lf_group@blacksheep.org
Precedence: bulk
Reply-To: rsgb_lf_group@blacksheep.org
Status: RO

  This message is in MIME format.  The first part should be readable text,
  while the remaining parts are likely unreadable without MIME-aware tools.

--17435139-795218041-1487089230=:642
Content-Type: TEXT/PLAIN; CHARSET=ISO-8859-15; FORMAT=flowed
Content-Transfer-Encoding: 8BIT
Content-ID: <alpine.DEB.2.11.1702141721071.642@mailn.lipkowski.org>

Nice decode here for your transmission on 13 Fen 2017 20:40

found rank 0 ber 3.0469e-01 Eb/N0 10.7 M -1.697070885e+01 [XX] ps [  0    0    0    0    0]
carrier phase: 5.3
carrier Eb/N0: 10.9
carrier S/N: 21.44 dB in 32.6 uHz
elapsed 29

Switched the message to XX (sent to Stefan off list), so i don't spoil 
other's fun

VY 73

Jacek / SQ5BPF

On Tue, 14 Feb 2017, DK7FC wrote:

> Date: Tue, 14 Feb 2017 11:32:14 +0100
> From: DK7FC <selberdenken@posteo.de>
> Reply-To: rsgb_lf_group@blacksheep.org
> To: rsgb_lf_group@blacksheep.org
> Subject: Re: LF: Re: DK7FC EbNaut message on 8270.1 Hz decoded nr Moscow by
>     RN3AUS
> 
> Hi Alex, Paul, VLF,
> 
> It was a really happy moment when that decode appeared. Alex has sent me the txt file to reproduce
> the decode, tnx. My PC took 81 minutes to pass the whole decode process. There was just that signle
> decode, no additional false decodes or different phase combinations.
> I attach the wav file, if someone wants to play with it (reproducing the result).
> 
> Alex' recent spectrograms have shown that the night propagation seems much better regarding the
> obtained SNR. Last night i tried a first 2 character transmission with same parameters but a
> different message. We will have that result in a few days i guess. I started the message before
> knowing that the first one successfully decoded.
> 
> Now i'm a bit more optimistic and will try 3 characters next:
> 
> f = 8270.100000 Hz
> Start time: 14.Feb.2017   20:00:00 UTC
> Symbol period: 30 s
> Characters: 3
> CRC bits: 26
> Coding 16K21A
> Duration: 8h, 32m, 0s (same duration as the first 2 messages)
> Antenna current: 700 mA
> 
> 73, Stefan
> 
> 
> 
> 
> 
> Am 14.02.2017 10:35, schrieb Paul Nicholson:
>
>       Congratulations to Alex and Stefan.   Another first
>       added to the list.
>
>       An excellent result, making good use of list decoding (list
>       rank 1744086).   A good choice of settings by Stefan.
>
>       -67.2 dB in audio bandwidth.
>
>       Here in Todmorden, a nice decode of Stefan's 13th 20:40 message
>       at +15 dB Eb/N0.   I expect you will decode that one Alex.
>
>       --
>       Paul Nicholson
>       --
> 
> 
>
--17435139-795218041-1487089230=:642--