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: INFN-TO: mailn 1233; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mailn.lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id uBBGJO6H004869 for ; Sun, 11 Dec 2016 17:19:25 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cG6nL-00054q-4E for rs_out_1@blacksheep.org; Sun, 11 Dec 2016 16:16:11 +0000 Received: from [195.171.43.34] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cG6nK-00054h-M4 for rsgb_lf_group@blacksheep.org; Sun, 11 Dec 2016 16:16:10 +0000 Received: from omr-a008e.mx.aol.com ([204.29.186.51]) by relay2.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.87) (envelope-from ) id 1cG6nG-0007ez-Ss for rsgb_lf_group@blacksheep.org; Sun, 11 Dec 2016 16:16:09 +0000 Received: from mtaomg-maa01.mx.aol.com (mtaomg-maa01.mx.aol.com [172.26.222.143]) by omr-a008e.mx.aol.com (Outbound Mail Relay) with ESMTP id AF62438000B4 for ; Sun, 11 Dec 2016 11:16:04 -0500 (EST) Received: from core-acx13g.mail.aol.com (core-acx13.mail.aol.com [10.76.18.2]) by mtaomg-maa01.mx.aol.com (OMAG/Core Interface) with ESMTP id E3AEE38000081 for ; Sun, 11 Dec 2016 11:16:03 -0500 (EST) Received: from 188.192.95.60 by webprd-m62.mail.aol.com (10.74.5.51) with HTTP (WebMailUI); Sun, 11 Dec 2016 11:16:02 -0500 Date: Sun, 11 Dec 2016 11:16:02 -0500 From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-Id: <158eeab711a-523d-882a@webprd-m62.mail.aol.com> In-Reply-To: MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [188.192.95.60] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1481472964; bh=jytBm0tG3vtGn34pYtyMHy/zJtdOXdvECZXh8ss17l8=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=pez4yWbZ3P4/g4uXdXRLLzHkc7Lzxzc1EpmvQNtyA7I3gjWAch7SJ7KE+CORaNxZN GXGGkvvA3ZH9dMARZPfY8v965soIm41kkStXpk5UzY4d4rKPp3+2Jevwf1U2ybw/VV +VKfYpjiI6DjeyqXTPX0MUNfAf3eykXjJIr1vJnM= x-aol-sid: 3039ac1ade8f584d7bc31460 X-Scan-Signature: a32b10ac5c14008078455df469dc45d3 Subject: Re: LF: EbNaut tests 137.490 kHz Content-Type: multipart/alternative; boundary="----=_Part_43322_119951856.1481472962838" 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: 9771 ------=_Part_43322_119951856.1481472962838 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Thanks again Domenico, your receiver is doing an excellent job! Of course t= he SNR per bit is not really 71.6 dB, it's just an arbitrary number assigne= d to zero bit errors. But the carrier based SNR ~ 30 dB is probably realist= ic and proves the quality of your reception.=20 Alex RN3AUS sent some opds data files from his Datcha, which produced good = decodes as well. I'm working with Joe and believe that he will also be read= y to receive EbNaut soon. Unfortunately it started to rain this morning so I skipped the last transmi= ssion (7 UT) and pulled in the antenna. According to the weather forecast i= t will be a few days=20 before I can get on air again. Thanks to all participants! 73, Markus (DF6NM) -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Domenico IZ7SLZ An: rsgb_lf_group Verschickt: So, 11 Dez 2016 4:57 pm Betreff: Re: LF: EbNaut tests 137.490 kHz Hello Markus & LF, here the results of last DF6NM's EbNaut transmissions: UTC Eb/N0[dB] BER[%] carrier Eb/N0 [dB] notes 18.00 18.1 0.2 19.9=20 19.00 14.7 2.3 14.9 20.00 71.6 0 23.5 21.00 71.6 0 26.4 Foff +0.0001 Hz 22.00 71.6 0 22.4 23.00 71.6 0 27.1 00.00 71.6 0 29.7 01.00 71.6 0 29.1 02.00 71.6 0 29.0 Toff +0.02s 03.00 71.6 0 27.1 04.00 71.6 0 26.4 Toff +0.02s 05.00 71.6 0 27.6 06.00 5.1 25 6.3 Foff +0.0001 Hz 07.00 NIL All relevant wav files has been uploaded in the folder: http://qsl.net/iz7= slz/DF6NM. 73, Domenico iz7slz .. On 10 December 2016 at 19:10, Markus Vester wrote: More EbNaut tonight: Same 2 s/symbol format with hourly repeats starting 1= 8 UT, but carrying a new 8-char message. Best 73, Markus (DF6NM) -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Markus Vester An: rsgb_lf_group Verschickt: Fr, 9 Dez 2016 11:10 pm Betreff: Re: EbNaut tests 137.490 kHz To obtain some extra sensitivity, I have now slowed down to 2 seconds per s= ymbol, with transmissions starting 0.3 s after each full hour. Frequency 137490 Hz, 8 characters, 8K19A, 2 second symbols (duration 21m52s) Start times: 22:00, 23:00, etc. until 7:00 UT, plus 0.3 s transmit delay. 73, Markus -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Markus Vester An: rsgb_lf_group Verschickt: Fr, 9 Dez 2016 8:39 pm Betreff: EbNaut tests 137.490 kHz This evening I'll run some LF EbNaut tests again:=20 Frequency 137490 Hz, 8 characters, 8K19A, 1 second symbols (duration 656 seconds) start times: 19:30, 20:00, etc, plus 0.3 s transmit delay Best 73, Markus (DF6NM) ------=_Part_43322_119951856.1481472962838 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Thanks again Domenico, your receiver is doing an excelle= nt job! Of course the SNR per bit is not really 71.6 dB, it's just an arbit= rary number assigned to zero bit errors. But the carrier based SNR ~ 3= 0 dB is probably realistic and proves the quality of your reception. <= br>
Alex RN3AUS sent some opds data files from his Datcha, which pr= oduced good decodes as well. I'm working with Joe and b= elieve that he will also be ready to receive EbNaut soon.

Unfor= tunately it started to rain this morning so I skipped the last transmission= (7 UT) and pulled in the antenna. According to the weather forecast i= t will be a few days
before I can get on air again.

Thanks = to all participants!

73, Markus (DF6NM)


-----Urspr=C3=BCn= gliche Mitteilung-----
Von: Domenico IZ7SLZ <iz7slz.domenico@gmail.c= om>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschi= ckt: So, 11 Dez 2016 4:57 pm
Betreff: Re: LF: EbNaut tests 137.490 kHz
Hello Markus & LF,=

here the results of last DF6NM's EbNaut transmissions:
UTC    Eb/N0[dB]  BER[%]  carrier= Eb/N0 [dB]  notes

18.00     18.1 &nbs= p;         0.2   &nb= sp;       19.9
19.00   &nb= sp; 14.7           2.3&nb= sp;          14.9
20.00     71.6       &n= bsp;    0        &nb= sp;    23.5
21.00     71.6  &nbs= p;         0    = ;         26.4   &nb= sp;           Foff +0.000= 1 Hz
22.00     71.6      &n= bsp;     0       &nb= sp;     22.4
23.00     71.6 &nbs= p;          0   = ;          27.1
00.00 =     71.6        &nbs= p;   0          = ;   29.7
01.00     71.6    =         0     &= nbsp;       29.1
02.00  &n= bsp;  71.6          =   0           &= nbsp; 29.0           = ;    Toff +0.02s
03.00     71.6 =            0  &= nbsp;          27.1
<= div>04.00     71.6       =      0        &= nbsp;    26.4        = ;       Toff +0.02s
05.00   &nbs= p; 71.6            0=              27= .6
06.00       5.1  &= nbsp;       25     &= nbsp;       6.3      &nbs= p;         Foff +0.0001 Hz
07.00     NIL

All relevant wav = files has been uploaded in the folder:  http://qsl.net/iz7s= lz/DF6NM.

73, Domenico iz7slz


.= .

On 10 December 2016 at 19:10, Markus Vester <markusvester@aol.com> wrote:

More EbNaut toni= ght:  Same 2 s/symbol format with hourly repeats starti= ng 18 UT, but carrying a new 8-char message.

Best 73,
Markus = ;(DF6NM)

-----Urspr=C3=BCngliche Mitteilung-----
Von: Markus Ves= ter <markusvester@aol.com>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschickt: Fr, 9 = Dez 2016 11:10 pm
Betreff: Re: EbNaut tests 137.490 kHz


To obtain some extra sensitivity, I have now slowed down to 2 = seconds per symbol, with transmissions starting 0.3 s after each full = hour.

Frequency 137490 Hz,
8 characters, 8K19A,
2=  second symbols (duration 21m52s)
Start times: 22:00, 23:00, etc. u= ntil 7:00 UT, plus 0.3 s transmit delay.

73, Markus

----= -Urspr=C3=BCngliche Mitteilung-----
Von: Markus Vester <m= arkusvester@aol.com>
An: rsgb_lf_group <rsg= b_lf_group@blacksheep.org>
Verschickt: Fr, 9 Dez 2016 8:39 pm
= Betreff: EbNaut tests 137.490 kHz

This evening I'll run some LF EbNaut tests again:

= Frequency 137490 Hz,
8 characters, 8K19A,
1 second symbols (duration = 656 seconds)
start times: 19:30, 20:00, etc, plus 0.3 s transmit de= lay

Best 73,
Markus (DF6NM)


------=_Part_43322_119951856.1481472962838--