Re: VLF: EbNaut on 6470.1 Hz

[Paul Nicholson <vlf0403@abelian.org>]

DK7FC wrote:

> f = 6470.100000 Hz
> Start time: 13.Apr.2017   22:00:00 UTC
> Symbol period: 36 s
> Characters: 2
> CRC bits: 18
> Coding 16K21A

Excellent signal here in Todmorden, UK.

 Lisr rank: 0
 Carrier Eb/N0: 11.5 dB
 Carrier S/N: 22.11 dB in 34.7 uHz
 BER: 25.8 %
 Constant reference phase

Markus wrote:

> decoded from DL0AO data (well, just!):

> skipped 3287.372330 seconds to start
> padded 235.229 seconds at end

> list rank 25047
> carrier Eb/N0 0.09 dB
> symbol error rate 367/800 = 45.875 %

Not bad with a chunk of signal missing. 1/2 a dB to
spare at least!

--
Paul Nicholson
--