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Re: VLF: tonite on the 36km band...

To: [email protected]
Subject: Re: VLF: tonite on the 36km band...
From: Jacek Lipkowski <[email protected]>
Date: Sat, 6 May 2017 10:14:46 +0200 (CEST)
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
User-agent: Alpine 2.11 (DEB 23 2013-08-11)
btw this decodes even with list length=1

sq5bpf@dellix:~/vlf$ ./ebnaut -d -N4 -p 16K21A  -S40 -k 6 -r240 -c2  -PS -v -L 1 
< plikxx
padded 0.267 seconds at end
initial reference phase 46.9 amplitude 9.620e-02
prep [  0    0    0    0    0]
found rank 0 ber 4.0500e-01 Eb/N0 0.2 M -1.514407873e+00 [xxxx] ps [ 0 0 0 0 0]
carrier phase: 14.9
carrier Eb/N0: 1.4
carrier S/N: 14.94 dB in 31.2 uHz
elapsed 18

VY 73

Jacek / SQ5BPF

On Fri, 5 May 2017, DK7FC wrote:

Date: Fri, 05 May 2017 23:28:08 +0200
From: DK7FC <[email protected]>
Reply-To: [email protected]
To: [email protected]
Subject: Re: VLF: tonite on the 36km band...

... start time delayed to 19:15 UTC. The other (100 char) transmission was 
still running
until 19:14 :-)
73


      Let me try tonite:

      f = 8270.100000 Hz
      Start time: 05.May.2017   18:00:00 UTC
      Symbol period: 40 s
      Characters: 4
      CRC bits: 6
      Coding 16K21A
      Duration: 8h, 53m, 20s
      Antenna current: 670 mA
      (Set list length to: 74 in the first run)


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