Message-ID: <58A98BD2.4000101@posteo.de>
Date: Sun, 19 Feb 2017 13:13:06 +0100
From: DK7FC <selberdenken@posteo.de>
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To: rsgb_lf_group@blacksheep.org
References: <CAGZ2MyYDKx5B6HSg1Z7XeoWZigvDgVS8XLT82A1aXW6ogFxFqg@mail.gmail.com> <CAGZ2MyYvXEd4AoA2Evx+DDiCXJLMtcFvuE==LTxg=dEt4xXSww@mail.gmail.com> <58A6E5B8.6080007@posteo.de> <1487334367.396640876@f56.i.mail.ru> <58A6F8AF.70304@posteo.de> <58A8185E.600@posteo.de> <58A94DB4.7020005@posteo.de> <3ad8f7b7-5cbc-10c6-6816-a382ef25b29f@psk31.plus.com>
In-Reply-To: <3ad8f7b7-5cbc-10c6-6816-a382ef25b29f@psk31.plus.com>
Subject: Re: VLF: This weekend...
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Eddie,

My congratulations to your first EbNaut decode, even on VLF! 
Furthermore, it is already quite a long message and you got it with a 
good SNR from a 'normal' RX system in a 'normal' location!
I confirm the message text you sent me in a private mail is correct.
QRB = 742 km, http://no.nonsense.ee/qth/map.html?qth=IO92NG&from=jn49ik00

The number of stations beeing able to decode EbNaut messages (by 
themselfes) on VLF grows!
So far this is: Paul, DF6NM, DK7FC, SQ5BPF, RN3AUS, G3ZJO  (someone 
forgotten?)

73, Stefan


Am 19.02.2017 11:52, schrieb g3zjo:
> On 19/02/2017 07:48, DK7FC wrote:
>> ...i forgot to enable the scheduled actions in SpecLab, so the 
>> transmission didn't start to the announced time.
>> Noticed that and set the new start time to *18:15 UTC*, i.e. 15 min 
>> delayed...
>>
>
> *An urban decode in G land. Wonderful.* (You couldn't do this with 
> OPERA 'G').
>
> Of course all thanks and credits go to Paul, Marcus and Stefan not 
> forgetting Wolf.
>
> ebnaut-rx V0.6
> input file C:\Comms\EbNaut\19_FEB_0005_8270.wav
> sample rate 0.342935 per second
> rx frequency 8270.1
> file start time 2017-02-18 17:27:09.370
> polynomial 16K21A
> crc size 16
> number of chars 7
> block size 58
> symbol period 30.000
> number of symbols 1248
> list length 20000
> start offset 2882.290
> freq offset 0.000000
> cores 2
> skipped 2881.014117 seconds to start
> initial reference phase -54.6
> ---------------------------------------------
> found *7Symbols Message*
> list rank 0
> reference phase    0    0    0    0
> carrier RMS 6.027e-005 noise RMS 5.405e-006
> carrier S/N 20.95 dB in 26.7 uHz
> carrier Es/N0 -10.02 dB
> carrier Eb/N0 4.94 dB
> info bit period 938.35 seconds
> symbol error rate 427/1248 = 34.215 %
> Es/N0 from symbol errors -10.8 dB
> Eb/N0 from symbol errors 4.2 dB
> Shannon capacity 16.4 bits/hour
> Shannon efficiency 23.3 %
> symbols file C:\Comms\EbNaut\19_FEB_0005_8270-symbols.csv
> elapsed 8 seconds
>
> 73 Eddie G3ZJO

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Eddie,<br>
<br>
My congratulations to your first EbNaut decode, even on VLF!
Furthermore, it is already quite a long message and you got it with a
good SNR from a 'normal' RX system in a 'normal' location!<br>
I confirm the message text you sent me in a private mail is correct.<br>
QRB = 742 km,
<a class="moz-txt-link-freetext" href="http://no.nonsense.ee/qth/map.html?qth=IO92NG&amp;from=jn49ik00">http://no.nonsense.ee/qth/map.html?qth=IO92NG&amp;from=jn49ik00</a><br>
<br>
The number of stations beeing able to decode EbNaut messages (by
themselfes) on VLF grows!<br>
So far this is: Paul, DF6NM, DK7FC, SQ5BPF, RN3AUS, G3ZJO  (someone
forgotten?)<br>
<br>
73, Stefan<br>
<br>
<br>
<br>
Am 19.02.2017 11:52, schrieb g3zjo:
<blockquote
 cite="mid:3ad8f7b7-5cbc-10c6-6816-a382ef25b29f@psk31.plus.com"
 type="cite">
  <meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
On 19/02/2017 07:48, DK7FC wrote:<br>
  <blockquote cite="mid:58A94DB4.7020005@posteo.de" type="cite">
    <meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
...i forgot to enable the scheduled actions in SpecLab, so the
transmission didn't start to the announced time.<br>
Noticed that and set the new start time to <b>18:15 UTC</b>, i.e. 15
min delayed...<br>
    <br>
  </blockquote>
  <br>
*An urban decode in G land. Wonderful.* (You couldn't do this with
OPERA 'G').<br>
  <br>
Of course all thanks and credits go to Paul, Marcus and Stefan not
forgetting Wolf.<br>
  <br>
ebnaut-rx V0.6<br>
input file C:\Comms\EbNaut\19_FEB_0005_8270.wav<br>
sample rate 0.342935 per second<br>
rx frequency 8270.1<br>
file start time 2017-02-18 17:27:09.370<br>
polynomial 16K21A<br>
crc size 16<br>
number of chars 7<br>
block size 58<br>
symbol period 30.000<br>
number of symbols 1248<br>
list length 20000<br>
start offset 2882.290<br>
freq offset 0.000000<br>
cores 2<br>
skipped 2881.014117 seconds to start<br>
initial reference phase -54.6<br>
---------------------------------------------<br>
found <b>7Symbols Message</b><br>
list rank 0<br>
reference phase    0    0    0    0<br>
carrier RMS 6.027e-005 noise RMS 5.405e-006<br>
carrier S/N 20.95 dB in 26.7 uHz<br>
carrier Es/N0 -10.02 dB<br>
carrier Eb/N0 4.94 dB<br>
info bit period 938.35 seconds<br>
symbol error rate 427/1248 = 34.215 %<br>
Es/N0 from symbol errors -10.8 dB<br>
Eb/N0 from symbol errors 4.2 dB<br>
Shannon capacity 16.4 bits/hour<br>
Shannon efficiency 23.3 %<br>
symbols file C:\Comms\EbNaut\19_FEB_0005_8270-symbols.csv<br>
elapsed 8 seconds<br>
  <br>
73 Eddie G3ZJO<br>
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