Date: Wed, 12 Dec 2018 18:36:34 -0330 (NST)
From: jcraig@mun.ca
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: VLF EbNaut
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Hi Stefan,

Thank-you very much for this effort.  It makes me sad to say
that the decode is incorrect... unless something was done wrong
on this end.

Good luck with next try.

Joe VO1NA

On Wed, 12 Dec 2018, DK7FC wrote:

> Hello Joe,
>
> I tried to decode your message from the stream of Renato Remoro. The carrier 
> S/N is quite thin but there were two decodes of the same message.
> Best result was:
> found rank 19764 ber 4.4515e-01 Eb/N0 1.2 M -4.933010787e-04 ph 31 
> -120,-120,-90,-90 [3]
> carrier phase: -0.8 deg
> carrier Eb/N0: 1.0 dB
> carrier Es/N0: -20.36 dB
> carrier S/N: 8.58 dB in 42.5 uHz, -35.13 dB in 1Hz, -69.11 dB in 2.5kHz
>
> ...i.e. the message is '3'.
> There is nothing to loose so i tell you that result. Maybe it is wrong. I 
> will try again tomorrow including stacking and see if there is another result 
> with better SNR.
>
> 73, Stefan
>
> Am 12.12.2018 10:56, schrieb DK7FC:
>> Joe,
>> 
>> However, i'm recording the VLF stream of Renato Romero since this morning 
>> again. I will try to decode the message rom these recordings. It is a good 
>> experiment for me to see if it works. So just continue TXing.
>> 
>> 73, Stefan
>> 
>> Am 12.12.2018 08:20, schrieb DK7FC:
>>> Hello Joe,
>>> 
>>> Unfortunately my tree is shut down since a week due to lack of sun. After 
>>> 3 years the lead acid batteries lost about 50 % of their capacity, so i 
>>> have only 5 days coverage. A better battery system would be helpful but 
>>> with these new permanent overcast winter days i would need something like 
>>> 500 Ah it seems.
>>> I will try as soon as the tree is back...
>>> 
>>> 73, Stefan
>>> 
>>> Am 12.12.2018 01:54, schrieb jcraig@mun.ca:
>>>> A quick reminder:
>>>> 
>>>> 8.2700075 kHz, one character, 30 s symbols, 784 symbols, 16K23A, CRC-21, 
>>>> 2300 and 1100 ut daily 30 watts to a 100x15m RL
>>>> 
>>>> 73
>>>> Joe VO1NA
>>>> 
>>> 
>> 
>
>