Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,RCVD_IN_DNSWL_MED, SPF_PASS,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: EATSERVER: mailn 1166; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id uBVCjrCw009996 for ; Sat, 31 Dec 2016 13:45:54 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cNIzH-0008BR-VZ for rs_out_1@blacksheep.org; Sat, 31 Dec 2016 12:42:15 +0000 Received: from [195.171.43.34] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cNIzH-0008BF-Ec for rsgb_lf_group@blacksheep.org; Sat, 31 Dec 2016 12:42:15 +0000 Received: from mail-qt0-x22d.google.com ([2607:f8b0:400d:c0d::22d]) by relay2.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1cNIzD-0006vR-Py for rsgb_lf_group@blacksheep.org; Sat, 31 Dec 2016 12:42:14 +0000 Received: by mail-qt0-x22d.google.com with SMTP id k15so173261672qtg.3 for ; Sat, 31 Dec 2016 04:42:11 -0800 (PST) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=IdCKhLFR+q0BoVIYqbvz8EGphShRCmhIsc1zOmR6kZw=; b=cbrYFi9eLz7Dzm9k7BOtvei5GGyMEy8YQ3HsMidne67YYuPiIAR5oS8CXeX7sZhFR3 E1obizWj6GDy1lVnasMWC1WAn1mpfI+zcSe1ZXqRo7ap92bG7mHF9g+8MNQ7zzCGvolK fbwG5buunqMe9fWQ4d2INo99hyJAGOt5jMRQyQ2+Ww0MtVBBwVUPT6rfv6iQxZHv1zia /vw+bZFntMyTxEN8bnT0kWQuONCCeLqo80Axw/hl8T3JCeBbBa3dYD1I/FvwUHuJ9qeh YOYan2n7x02k2H4x40rNm9LmiUif3m1pou3QF62r6B0no1yHXj+yVuVAm95VIArm14oo E8Uw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=IdCKhLFR+q0BoVIYqbvz8EGphShRCmhIsc1zOmR6kZw=; b=XHG+2zzZnHcflANtzHv2X04LKHbKtjipGaV8fEeAUtuVWbvwVEnjQ0ITTM1zMeCecy oMTRlNEfDJNm+Sj35JMTKFbVuZrteclb4PgQYBgs2sEW82gEe4cC0lSHP2KkoaoTdy1K UMAPqr9GsycCuIMkt3kUnGoXUj9D+vOfhKVlaCk5F4t7Fb5jWYCM77UO6pmvM0jmgbGw QDf3w7QxHddwJY3cC3bq8NMberHdgNI0oMegVC7ljlw1PQLoK6+nFN0HXwVmyEa2zHgO M7eNamUJmwHHc0uX0+hndt8PqtZx/VzpMC8FhVoqA5WmE9urGBQOK5JAPHj1GLMslFhQ L8Lw== X-Gm-Message-State: AIkVDXKRqCESgWFvyW3Fq53Qi11PUsdZlJ7Vyidxw99RzPtwQpHMhT35mFdPUPZ3TmbtD2m5UBWzf2EJ4GYe+w== X-Received: by 10.200.53.243 with SMTP id l48mr41562450qtb.193.1483188129865; Sat, 31 Dec 2016 04:42:09 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.181.9 with HTTP; Sat, 31 Dec 2016 04:42:09 -0800 (PST) Received: by 10.12.181.9 with HTTP; Sat, 31 Dec 2016 04:42:09 -0800 (PST) In-Reply-To: References: <159523e4c1d-4dcc-21a1f@webprd-m98.mail.aol.com> From: Riccardo Zoli Date: Sat, 31 Dec 2016 13:42:09 +0100 Message-ID: To: LF Group X-Scan-Signature: fc32c5c0e50cb002bc32bc9e852d4987 Subject: Re: LF: EbNaut decodes last night Content-Type: multipart/alternative; boundary=001a114574f49da62a0544f3a509 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Scanned-By: MIMEDefang 2.75 Status: O X-Status: X-Keywords: X-UID: 10027 --001a114574f49da62a0544f3a509 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Alex, Domenico, Markus, LF That's a really FB DECODE, Alex! Sure, the message it's correct, many thanks! Unfortunately, in these nights, I have some antenna tuning problems due to fog and ice. If I transmit with more of 140 - 150W, the VSWR goes high and unstable. All the best HNY and 73 de IW4DXW Riccardo Il 31/Dic/2016 13:07, "Alex K" ha scritto: > Hello LF, Riccardo, Markus! > Some interesting decodes last night: > - easy decode DF6NM > - and decode (may be false but looks like correct) of IW4DXW (absolutely > invisible on the spectrum)! > > 73 and HNY de rn3aus/Alex > -------------------------------------------------------------- > Log file: > > ebnaut-rx V0.5 > input file 12310452.wav > sample rate 125.000000 per second > rx frequency 137500 > file start time 2016-12-31 04:35:21.320 > polynomial 8K19A > crc size 16 > number of chars 8 > block size 64 > symbol period 2.000 > number of symbols 656 > list length 200000 > start offset 430.604 > freq offset -16.711600 > cores 1 > skipped 430.608000 seconds to start > initial reference phase -50.4 > --------------------------------------------- > found WAKU2MEC > list rank 47074 > reference phase 30 30 30 30 > carrier RMS 1.484e+004 noise RMS 2.466e+003 > carrier S/N 15.59 dB in 762.2 uHz > carrier Es/N0 -12.58 dB > carrier Eb/N0 -1.00 dB > info bit period 28.77 seconds > symbol error rate 265/656 =3D 40.396 % > Es/N0 from symbol errors -15.2 dB > Eb/N0 from symbol errors -3.6 dB > Shannon capacity 139.6 bits/hour > Shannon efficiency 89.6 % > symbols file 12310452-symbols.csv > elapsed 14 seconds > --------------------------------------------- > found : Y Q1 , > list rank 12591 > reference phase -120 -120 -120 -120 > carrier RMS 1.530e+004 noise RMS 2.466e+003 > carrier S/N 15.85 dB in 762.2 uHz > carrier Es/N0 -12.31 dB > carrier Eb/N0 -0.73 dB > info bit period 28.77 seconds > symbol error rate 254/656 =3D 38.720 % > Es/N0 from symbol errors -13.8 dB > Eb/N0 from symbol errors -2.2 dB > Shannon capacity 148.1 bits/hour > Shannon efficiency 84.5 % > symbols file 12310452-symbols.csv > elapsed 36 seconds > --------------------------------------------- > found UD+D74A- > list rank 24669 > reference phase 120 120 120 120 > carrier RMS 1.552e+004 noise RMS 2.466e+003 > carrier S/N 15.98 dB in 762.2 uHz > carrier Es/N0 -12.19 dB > carrier Eb/N0 -0.61 dB > info bit period 28.77 seconds > symbol error rate 245/656 =3D 37.348 % > Es/N0 from symbol errors -12.8 dB > Eb/N0 from symbol errors -1.2 dB > Shannon capacity 152.3 bits/hour > Shannon efficiency 82.2 % > symbols file 12310452-symbols.csv > elapsed 43 seconds > --------------------------------------------- > *found FBDECODE* > list rank 8999 > reference phase -90 -90 -60 -60 > carrier RMS 1.573e+004 noise RMS 2.466e+003 > carrier S/N 16.09 dB in 762.2 uHz > carrier Es/N0 -12.08 dB > carrier Eb/N0 -0.50 dB > info bit period 28.77 seconds > symbol error rate 244/656 =3D 37.195 % > Es/N0 from symbol errors -12.7 dB > Eb/N0 from symbol errors -1.1 dB > Shannon capacity 156.2 bits/hour > Shannon efficiency 80.1 % > symbols file 12310452-symbols.csv > elapsed 128 seconds > > > 2016-12-31 3:51 GMT+03:00 Riccardo Zoli : > >> >> Hi Markus, Joe, Domenico, LF >> >> Extraordinary decode results, Markus. Congratulations for DX! Very good >> RX setup, Joe. >> Thanks for trying to discover my signal. >> I'm on air again for another attempt (with a little bit more power), sam= e >> parameters (2 sec, 8 char) on: >> 00:30z, 01:00z =C3=B7 07:00z (every :00) >> QRG: 137485.0006 Hz >> >> All the best >> >> 73 de IW4DXW Riccardo >> Il 31/Dic/2016 01:22, "Markus Vester" ha scritto: >> >>> Hi Joe, >>> very nice results from your SpecLab files! >>> >>> I easily saw my carriers and the PSK symbols in each of the files, so >>> there was no need to make use of the pilot. Then in 6 out of 7 files, I >>> decoded the *OBELIX* message, and tweaked each time offset for best SNR= . >>> Knowing my transmit start time (0.2 s after the hour), I could then der= ive >>> that your PC clock had been 2.1 to 2.6 seconds late. Note that this wou= ld >>> have been impossible if the signal hadn't shown up the rawsyms plot, wh= ich >>> is why we usually depend on reliable timing. >>> >>> Using the time and frequency information, I calculated theoretical >>> offsets for the IW4DXW. who was transmitting 4.9994 Hz below me. >>> Unfortunately Ric's signal wasn't quite strong enough to produce a >>> plausible decode (perhaps due to the snow on his antenna). >>> >>> EbNaut received by VO1NA on 2016 Dec 30: >>> VO1NA --------DF6NM---------- ---VO1NA--- --------IW4DXW----------= - >>> file foffs start sym carr rx clock foffs start decode >>> hhmm Hz s dB dB Hz s s s >>> >>> 0122 -9.8955v 306.9 nil drift -2.1 >>> 0212 -9.8984 306.9 5.5 6.2 .1016 -2.1 -14.8978 306.7 nil, qr= m >>> 0312 -9.902 306.8 11.9 14.0 .098 -2.2 -14.9014 306.6 nil >>> 0412 -9.9032 306.8 11.0 12.1 .0968 -2.2 -14.9026 306.6 nil >>> 0512 -9.9043 306.6 3.7* 7.7 .0957* -2.4 -14.9037 306.4 nil >>> *glitch? >>> 0612 -9.9048 306.4 10.4 11.5 .0952 -2.6 -14.9042 306.2 nil >>> 0712 -9.9053 306.4 8.5 9.0 .0947 -2.6 -14.9047 306.2 nil >>> >>> I'd like to try a 13 character message tonight: >>> >>> 137490 Hz, >>> 13 char, 2 s, 8k19a, >>> starting each hour since 0 UT + 0.2 s, >>> 5 min carrier before and after. >>> >>> All the best, >>> Markus (DF6NM) >>> >>> >>> -----Urspr=C3=BCngliche Mitteilung----- >>> Von: markusvester >>> An: rsgb_lf_group >>> Verschickt: Fr, 30 Dez 2016 2:39 pm >>> Betreff: AW: LF: EbNaut decodes last night >>> >>> Hi Joe, >>> >>> >>> >>> the ones centered 12 minutes past the hour, ie. filenames 1230xx12.txt, >>> please. >>> >>> >>> >>> 73, Markus >>> >>> >>> >>> *Von: *jcraig@mun.ca >>> *Gesendet: *Freitag, 30. Dezember 2016 14:19 >>> *An: *rsgb_lf_group@blacksheep.org >>> *Betreff: *Re: LF: EbNaut decodes last night >>> >>> >>> >>> Hi Markus, >>> >>> >>> >>> Files 12300102, 112 122 133.txt etc are on disc. >>> >>> Which ones would you like to have uploaded? >>> >>> >>> >>> 73 >>> >>> Joe >>> >>> >>> >>> >>> >>> >>> >> > --001a114574f49da62a0544f3a509 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Hi Alex, Domenico, Markus, LF

That's a really FB DECODE, Alex! Sure, the message it= 9;s correct, many thanks! Unfortunately, in these nights, I have some anten= na tuning problems due to fog and ice. If I transmit with more of 140 - 150= W, the VSWR goes high and unstable.

All the best

HNY and 73 de IW4DXW Riccardo

Il 31/Dic/2016 13:07, "Alex K" <rn3aus@gmail.com> ha scritto:
Hello LF, Riccardo, Markus!
Some interesting decodes l= ast night:
- easy decode DF6NM
- and decode (may be false= but looks like correct) of IW4DXW (absolutely invisible on the spectrum)!<= br>
73 and HNY de rn3aus/Alex
----------------------------= ----------------------------------
Log file:

ebnaut-rx = V0.5
input file 12310452.wav
sample rate 125.000000 per second
rx = frequency 137500
file start time 2016-12-31 04:35:21.320
polynomial 8= K19A
crc size 16
number of chars 8
block size 64
symbol period = 2.000
number of symbols 656
list length 200000
start offset 430.60= 4
freq offset -16.711600
cores 1
skipped 430.608000 seconds to sta= rt
initial reference phase -50.4
-------------------------------= --------------
found WAKU2MEC
list rank 47074
reference phase=C2= =A0=C2=A0 30=C2=A0=C2=A0 30=C2=A0=C2=A0 30=C2=A0=C2=A0 30
carrier RMS 1.= 484e+004 noise RMS 2.466e+003
carrier S/N 15.59 dB in 762.2 uHz
carri= er Es/N0 -12.58 dB
carrier Eb/N0 -1.00 dB
info bit period 28.77 secon= ds
symbol error rate 265/656 =3D 40.396 %
Es/N0 from symbol errors -1= 5.2 dB
Eb/N0 from symbol errors -3.6 dB
Shannon capacity 139.6 bits/h= our
Shannon efficiency 89.6 %
symbols file 12310452-symbols.csv
el= apsed 14 seconds
---------------------------------------------
f= ound : Y Q1 ,
list rank 12591
reference phase -120 -120 -120 -120
= carrier RMS 1.530e+004 noise RMS 2.466e+003
carrier S/N 15.85 dB in 762.= 2 uHz
carrier Es/N0 -12.31 dB
carrier Eb/N0 -0.73 dB
info bit peri= od 28.77 seconds
symbol error rate 254/656 =3D 38.720 %
Es/N0 from sy= mbol errors -13.8 dB
Eb/N0 from symbol errors -2.2 dB
Shannon capacit= y 148.1 bits/hour
Shannon efficiency 84.5 %
symbols file 12310452-sym= bols.csv
elapsed 36 seconds
------------------------------------= ---------
found UD+D74A-
list rank 24669
reference phase=C2=A0 120= =C2=A0 120=C2=A0 120=C2=A0 120
carrier RMS 1.552e+004 noise RMS 2.466e+0= 03
carrier S/N 15.98 dB in 762.2 uHz
carrier Es/N0 -12.19 dB
carri= er Eb/N0 -0.61 dB
info bit period 28.77 seconds
symbol error rate 245= /656 =3D 37.348 %
Es/N0 from symbol errors -12.8 dB
Eb/N0 from symbol= errors -1.2 dB
Shannon capacity 152.3 bits/hour
Shannon efficiency 8= 2.2 %
symbols file 12310452-symbols.csv
elapsed 43 seconds
-------= --------------------------------------
found FBDECODE
lis= t rank 8999
reference phase=C2=A0 -90=C2=A0 -90=C2=A0 -60=C2=A0 -60
c= arrier RMS 1.573e+004 noise RMS 2.466e+003
carrier S/N 16.09 dB in 762.2= uHz
carrier Es/N0 -12.08 dB
carrier Eb/N0 -0.50 dB
info bit perio= d 28.77 seconds
symbol error rate 244/656 =3D 37.195 %
Es/N0 from sym= bol errors -12.7 dB
Eb/N0 from symbol errors -1.1 dB
Shannon capacity= 156.2 bits/hour
Shannon efficiency 80.1 %
symbols file 12310452-symb= ols.csv
elapsed 128 seconds


2016-12-31 3:51 GMT+03:00 Riccardo Zoli <riccardozoli80@gmail.com>:


Hi Markus, Joe, Domenico, LF

Extraordinary decode results, Markus. Congratulations for DX= ! Very good RX setup, Joe.
Thanks for trying to discover my signal.
I'm on air again for another attempt (with a little bit more power), sa= me parameters (2 sec, 8 char) on:
00:30z, 01:00z =C3=B7 07:00z (every :00)
QRG: 137485.0006 Hz

All the best

73 de IW4DXW Riccardo

Il 31/Dic/2016 01:22, "Markus Vester" = <markusvester@= aol.com> ha scritto:
Hi Joe,
very nice results from your Spec= Lab files!

I easily saw my carriers and the PSK symbols in e= ach of the files, so there was no need to make use of the pilot. Then in 6 = out of 7 files, I decoded the *OBELIX* message, and tweaked each time offse= t for best SNR. Knowing my transmit start time (0.2 s after the hour), I co= uld then derive that your PC clock had been 2.1 to 2.6 seconds late. Note t= hat this would have been impossible if the signal hadn't shown up the r= awsyms plot, which is why we usually=C2=A0 depend on reliable timing.
=

Using the time and frequency information, I calculated theoretica= l offsets for the IW4DXW. who was transmitting 4.9994 Hz below me. Unfortun= ately Ric's signal wasn't quite strong enough to produce a plausibl= e decode (perhaps due to the snow on his antenna).

EbNaut received by VO1NA on 201= 6 Dec 30:
VO1NA=C2=A0 --------DF6NM----------=C2=A0=C2=A0=C2=A0 ---VO1NA---= =C2=A0 --------IW4DXW-----------
file=C2=A0=C2=A0 foffs=C2=A0 start=C2=A0 sym=C2=A0 car= r=C2=A0=C2=A0=C2=A0=C2=A0 rx=C2=A0 clock=C2=A0=C2=A0=C2=A0=C2=A0 foffs=C2= =A0=C2=A0=C2=A0 start=C2=A0 decode
hhmm=C2=A0=C2=A0=C2=A0 Hz=C2=A0=C2=A0=C2=A0=C2=A0 s= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 dB=C2=A0=C2=A0 dB=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 Hz=C2=A0=C2=A0=C2=A0 s=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = s=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 s

0122 -9.8955v 306.9=C2=A0=C2= =A0=C2=A0=C2=A0 nil=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 drift=C2=A0 -2.1 <= br>0212 -9.8984=C2=A0 = 306.9=C2=A0=C2=A0 5.5=C2=A0 6.2=C2=A0=C2=A0 .1016=C2=A0 -2.1=C2=A0=C2=A0 -1= 4.8978=C2=A0 306.7=C2=A0 nil, qrm
0312 -9.902=C2=A0=C2=A0 306.8=C2=A0 11.9 14.0=C2=A0= =C2=A0 .098=C2=A0=C2=A0 -2.2=C2=A0=C2=A0 -14.9014=C2=A0 306.6=C2=A0=C2=A0= =C2=A0 nil=C2=A0=C2=A0=C2=A0
0412 -9.9032=C2=A0 306.8=C2=A0 11.0 12.1=C2=A0=C2=A0 .096= 8=C2=A0 -2.2=C2=A0=C2=A0 -14.9026=C2=A0 306.6=C2=A0=C2=A0=C2=A0 nil<= br>0512 -9.9043=C2=A0 = 306.6=C2=A0=C2=A0 3.7* 7.7=C2=A0=C2=A0 .0957* -2.4=C2=A0=C2=A0 -14.9037=C2= =A0 306.4=C2=A0=C2=A0=C2=A0 nil=C2=A0=C2=A0 *glitch?
0612 -9.9048=C2=A0 306.4=C2=A0 10= .4 11.5=C2=A0=C2=A0 .0952=C2=A0 -2.6=C2=A0=C2=A0 -14.9042=C2=A0 306.2=C2=A0= =C2=A0=C2=A0 nil
0712 -9.9053=C2=A0 306.4=C2=A0=C2=A0 8.5=C2=A0 9.0=C2=A0=C2=A0 .0947= =C2=A0 -2.6=C2=A0=C2=A0 -14.9047=C2=A0 306.2=C2=A0=C2=A0=C2=A0 nil

I'd like to try a 13 character message tonight:

=C2=A0137490 Hz,
=C2=A013 char, 2 s, 8k19a,
=C2=A0starting eac= h hour since 0 UT + 0.2 s,
=C2=A05 min carrier before and after.

All the best,
Markus (DF6NM)


-----Urspr=C3=BCngliche = Mitteilung-----
Von: markusvester <markusvester@aol.com>
An: rsgb_lf_group = <rsgb_= lf_group@blacksheep.org>
Verschickt: Fr, 30 Dez 2016 2:39 pm
B= etreff: AW: LF: EbNaut decodes last night

Hi Joe,

=C2=A0

the one= s centered 12 minutes past the hour, ie. filenames 1230xx12.txt, please.

=C2=A0

73, Markus

=C2=A0

Von: jcraig@mun.ca
Gesendet: Freitag, = 30. Dezember 2016 14:19
An: rsgb_lf_group@blac= ksheep.org
Betreff: Re: LF: EbNaut decodes last night

=C2=A0

Hi Markus,

=C2=A0

Files 12300102, 112 122 133.tx= t etc are on disc.

Which ones would you like to hav= e uploaded?

=C2=A0

73

Joe

=C2=A0

=C2=A0

=C2=A0


--001a114574f49da62a0544f3a509--