Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=0.5 required=5.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,RCVD_IN_SORBS_SPAM, T_DKIM_INVALID,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 X-Spam-DCC: INFN-TO: mailn 1233; Body=3 Fuz1=3 Fuz2=3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id v81Ksq9e019751 for ; Fri, 1 Sep 2017 22:54:54 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dnsrR-0000Rw-SK for rs_out_1@blacksheep.org; Fri, 01 Sep 2017 21:48:17 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dnsrQ-0000Rl-0F for rsgb_lf_group@blacksheep.org; Fri, 01 Sep 2017 21:48:16 +0100 Received: from omr-a004e.mx.aol.com ([204.29.186.52]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1dnsrM-0003KT-7t for rsgb_lf_group@blacksheep.org; Fri, 01 Sep 2017 21:48:14 +0100 Received: from mtaomg-mad01.mx.aol.com (mtaomg-mad01.mx.aol.com [172.26.221.207]) by omr-a004e.mx.aol.com (Outbound Mail Relay) with ESMTP id A59A938000BD for ; Fri, 1 Sep 2017 16:48:09 -0400 (EDT) Received: from core-acx03b.mail.aol.com (core-acx03.mail.aol.com [10.76.5.83]) by mtaomg-mad01.mx.aol.com (OMAG/Core Interface) with ESMTP id 4964D38000085 for ; Fri, 1 Sep 2017 16:48:09 -0400 (EDT) Received: from 188.192.44.165 by webjas-vaa018.srv.aolmail.net (10.96.33.21) with HTTP (WebMailUI); Fri, 01 Sep 2017 16:48:07 -0400 Date: Fri, 1 Sep 2017 16:48:09 -0400 From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-Id: <15e3f336b16-c10-32d6b@webjas-vaa018.srv.aolmail.net> In-Reply-To: <15e33e223c2-c04-25a32@webjas-vad091.srv.aolmail.net> MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [188.192.44.165] x-aol-global-disposition: G X-AOL-VSS-INFO: 5800.7501/120651 X-AOL-VSS-CODE: clean DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1504298889; bh=0ixyo2lJFdDu5/Dtv6NaCnvTrEjM7bXqdqGXo4EBUZQ=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=Tj7zwjoq+88KSGHICBkWPweV1/I5qzLXMQUXgojYq615CAVRqW3d9DCefzmOb6kvf odo+sgoCyUxkFZJ5iWdk7ywPzQTGjJGJZWK/9COMG/UapNbCjUd2qe3wBSrcTJ3/xm k7roueY6TtmpD4uOHaeBBBPUZnijLjD5tS2VhB7s= x-aol-sid: 3039ac1addcf59a9c7893825 X-Scan-Signature: ceb2abb6ad60d8d61fe3b25552da2c0b Subject: Re: VLF: Carrier on 4470.005 Hz! - EbNaut test Content-Type: multipart/mixed; boundary="----=_Part_247603_1884367080.1504298887958" 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: 12499 ------=_Part_247603_1884367080.1504298887958 Content-Type: multipart/alternative; boundary="----=_Part_247602_1757464589.1504298887958" ------=_Part_247602_1757464589.1504298887958 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable August 30 looked relatively quiet, but unfortunately no data available due = to the reboot. Yesterday and today, the winner is the cardioid: _________________ Carrier Eb/N0 (dB) EW W Aug 31 nil -0.6 Sep 1 nil nil both nil 1.4 _________________ Best 73, Markus -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Markus Vester An: rsgb_lf_group Verschickt: Mi, 30. Aug 2017 18:03 Betreff: Re: VLF: Carrier on 4470.005 Hz! - EbNaut test Hi Stefan, nothing from 27th and 28th.=20 Yesterday (29th) QRN was much lower. Unfortunately the DL0AO computer faile= d shortly before the full EbNaut export would have been completed at 20:27 = UT. But we do have the "0331" files, ending at 18:27 after 97% of the seque= nce duration. But these alone still didn't decode, neither on the EW or W a= ntennas. However stacking the partial data from 23rd and 29th did help a lot, with a= good decode now also from the W cardioid: ________________________ Carrier Eb/N0 (dB, from 97%) EW W 23rd 0.3 nil 29th nil nil both 2.7 1.6 ________________________ Best 73, Markus -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Markus Vester An: rsgb_lf_group Verschickt: So, 27. Aug 2017 11:05 Betreff: Re: VLF: Carrier on 4470.005 Hz! - EbNaut test No correct results from the 25th and 26th either. I didn't try more stackin= g because adding in noisy days seemed to make things worse rather than bett= er. The best decode was the one from the 23rd alone, EW antenna (log attach= ed). Best 73, Markus PS1: Under Win-10, Windows Explorer apparently crashes when trying to show = details of a wav file with "zero" nominal samplerate. =20 PS2: Your receiver on the tree seems to have gone off yesterday night. -----Urspr=C3=BCngliche Mitteilung-----=20 Von: DK7FC An: rsgb_lf_group Verschickt: Fr, 25. Aug 2017 20:06 Betreff: Re: VLF: Carrier on 4470.005 Hz! - EbNaut test Am 25.08.2017 15:25, schrieb Markus Vester:=20 Hi Stefan, no decodes from yesterday Aug, 24, likely due to the much increased QRN al= ready in the afternoon. I also tried to combine 23rd and 24th and still fou= nd the correct decode in the list, but with deteriorated SNR. Well at least the decode has a 0.3 dB higher Eb/N0 and the ref phase is co= nstant now. This is an improvement. Again it was a very noisy day here. But soon that time will be gone! In a = few weeks i don't expect local thunderstorms any more, which is very releva= nt on that 67 km band. 73, Stefan ------=_Part_247602_1757464589.1504298887958 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
August 30 looked relatively quiet, but unfortunately no = data available due to the reboot. Yesterday and today, the winner is the ca= rdioid:
_________________
Carrier Eb/N0 (dB)

&nb= sp;            = EW    W
Aug 31    nil   -0.6
Sep = 1      nil     nil
both  &n= bsp;     nil    1.4
____________= _____

Best 73,
Markus



-----Urspr=C3= =BCngliche Mitteilung-----
Von: Markus Vester <markusvester@aol.com&= gt;
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschickt= : Mi, 30. Aug 2017 18:03
Betreff: Re: VLF: Carrier on 4470.005 Hz! - EbN= aut test

Hi Stefan,

no= thing from 27th and 28th.

Yesterday (29th) QRN was much l= ower. Unfortunately the DL0AO computer failed shortly before the full EbNau= t export would have been completed at 20:27 UT. But we do have th= e "0331" files, ending at 18:27 after 97% of the sequence duration.&nb= sp;But these alone still didn't decode, neither on the EW or W antenna= s.

However stacking the partial data from 23rd and 29th did hel= p a lot, with a good decode now also from the W cardioid:
_________= _______________
Carrier Eb/N0 (dB, from 97%)

   &n= bsp;        EW    W
23= rd      0.3   nil
29th  &nb= sp;   nil    nil
both    &n= bsp; 2.7  1.6
________________________

Best 73,Markus


-----Urspr=C3=BCngliche Mitteilung-----
Von: Markus = Vester <markusvester@aol.com= >
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschickt: So, 27. Aug 2017 11:= 05
Betreff: Re: VLF: Carrier on 4470.005 Hz! - EbNaut test

No correct r= esults from the 25th and 26th either. I didn't try more stacking because ad= ding in noisy days seemed to make things worse rather than better. The= best decode was the one from the 23rd alone, EW antenna (lo= g attached).

Best 73,
Markus

PS1: Under Win-10, Windows Ex= plorer apparently crashes when trying to show details of a wav file wi= th "zero" nominal samplerate.  
PS2: Your receiver on the= tree seems to have gone off yesterday night.

-----Urspr=C3=BCnglich= e Mitteilung-----
Von: DK7FC <selberdenken@posteo.de>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.= org>
Verschickt: Fr, 25. Aug 2017 20:06
Betreff: Re: VLF: Carr= ier on 4470.005 Hz! - EbNaut test



Am 25.08.2017 15:25, schrieb Markus Vester:
Hi Stefan,

no decodes from yesterday Aug, 24, likely due to the much increased QRN already in the afternoon. I also tried to combine 23rd and 24th and still found the correct decode in the list, but with deteriorated= SNR.

Well at least the decode has a 0.3 dB higher Eb/N0 and the ref phase is constant now. This is an improvement.
Again it was a very noisy day here. But soon that time will be gone! In a few weeks i don't expect local thunderstorms any more, which is very relevant on that 67 km band.

73, Stefan


------=_Part_247602_1757464589.1504298887958-- ------=_Part_247603_1884367080.1504298887958 Content-Type: text/plain; charset=us-ascii; name=W08310503-log.txt Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=W08310503-log.txt ebnaut-rx V0.7 input file W08310503.wav sample rate 0.152413 per second rx frequency 4470 file start time 2017-08-30 14:08:10.040 polynomial 16K21A crc size 6 number of chars 5 block size 36 symbol period 60.000 number of symbols 896 list length 100 start offset 49936.000 freq offset 0.005000 cores 2 skipped 49936.849012 seconds to start initial reference phase -4.6 --------------------------------------------- found K8R@T list rank 97 reference phase 0 0 0 0 carrier S/N 13.56 dB in 18.6 uHz, -33.74 dB in 1Hz, -67.72 dB in 2.5kHz carrier Es/N0 -15.96 dB carrier Eb/N0 -0.99 dB info bit period 1886.32 seconds symbol error rate 392/896 = 43.750 % Es/N0 from symbol errors -19.0 dB Eb/N0 from symbol errors -4.0 dB Shannon capacity 2.2 bits/hour Shannon efficiency 88.1 % symbols file W08310503-symbols.csv elapsed 7 seconds --------------------------------------------- found 4J23D list rank 79 reference phase -150 -150 -150 -150 carrier S/N 13.84 dB in 18.6 uHz, -33.47 dB in 1Hz, -67.45 dB in 2.5kHz carrier Es/N0 -15.69 dB carrier Eb/N0 -0.71 dB info bit period 1886.32 seconds symbol error rate 388/896 = 43.304 % Es/N0 from symbol errors -18.4 dB Eb/N0 from symbol errors -3.4 dB Shannon capacity 2.3 bits/hour Shannon efficiency 82.7 % symbols file W08310503-symbols.csv elapsed 18 seconds --------------------------------------------- found PEACE list rank 1 reference phase -90 -90 -120 -120 carrier S/N 13.91 dB in 18.6 uHz, -33.39 dB in 1Hz, -67.37 dB in 2.5kHz carrier Es/N0 -15.61 dB carrier Eb/N0 -0.64 dB info bit period 1886.32 seconds symbol error rate 373/896 = 41.629 % Es/N0 from symbol errors -16.5 dB Eb/N0 from symbol errors -1.5 dB Shannon capacity 2.3 bits/hour Shannon efficiency 81.3 % symbols file W08310503-symbols.csv elapsed 76 seconds --------------------------------------------- found 4J23D list rank 25 reference phase 180 180 -150 -150 carrier S/N 13.76 dB in 18.6 uHz, -33.54 dB in 1Hz, -67.52 dB in 2.5kHz carrier Es/N0 -15.76 dB carrier Eb/N0 -0.78 dB info bit period 1886.32 seconds symbol error rate 375/896 = 41.853 % Es/N0 from symbol errors -16.7 dB Eb/N0 from symbol errors -1.7 dB Shannon capacity 2.3 bits/hour Shannon efficiency 84.1 % symbols file W08310503-symbols.csv elapsed 97 seconds --------------------------------------------- found K8R@T list rank 9 reference phase 30 0 30 0 carrier S/N 14.42 dB in 18.6 uHz, -32.88 dB in 1Hz, -66.86 dB in 2.5kHz carrier Es/N0 -15.10 dB carrier Eb/N0 -0.12 dB info bit period 1886.32 seconds symbol error rate 389/896 = 43.415 % Es/N0 from symbol errors -18.6 dB Eb/N0 from symbol errors -3.6 dB Shannon capacity 2.6 bits/hour Shannon efficiency 72.4 % symbols file W08310503-symbols.csv elapsed 139 seconds ------=_Part_247603_1884367080.1504298887958 Content-Type: text/plain; charset=us-ascii; name=sum_W_31-01-log.txt Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=sum_W_31-01-log.txt ebnaut-rx V0.7 input file sum_W_31-01.wav sample rate 0.152413 per second rx frequency 4470 file start time 2017-08-31 14:08:10.140 polynomial 16K21A crc size 6 number of chars 5 block size 36 symbol period 60.000 number of symbols 896 list length 100 start offset 49936.000 freq offset 0.005000 cores 2 skipped 49936.849012 seconds to start initial reference phase 72.6 --------------------------------------------- found /0UQ& list rank 17 reference phase 0 0 0 0 carrier S/N 14.36 dB in 18.6 uHz, -32.95 dB in 1Hz, -66.93 dB in 2.5kHz carrier Es/N0 -15.16 dB carrier Eb/N0 -0.19 dB info bit period 1886.32 seconds symbol error rate 380/896 = 42.411 % Es/N0 from symbol errors -17.3 dB Eb/N0 from symbol errors -2.3 dB Shannon capacity 2.6 bits/hour Shannon efficiency 73.5 % symbols file sum_W_31-01-symbols.csv elapsed 4 seconds --------------------------------------------- found PEACE list rank 0 reference phase 180 180 180 180 carrier S/N 15.75 dB in 18.6 uHz, -31.56 dB in 1Hz, -65.54 dB in 2.5kHz carrier Es/N0 -13.78 dB carrier Eb/N0 1.20 dB info bit period 1886.32 seconds symbol error rate 344/896 = 38.393 % Es/N0 from symbol errors -13.6 dB Eb/N0 from symbol errors 1.4 dB Shannon capacity 3.6 bits/hour Shannon efficiency 53.7 % symbols file sum_W_31-01-symbols.csv elapsed 8 seconds --------------------------------------------- found PEACE list rank 0 reference phase 180 180 150 150 carrier S/N 15.88 dB in 18.6 uHz, -31.43 dB in 1Hz, -65.41 dB in 2.5kHz carrier Es/N0 -13.65 dB carrier Eb/N0 1.33 dB info bit period 1886.32 seconds symbol error rate 341/896 = 38.058 % Es/N0 from symbol errors -13.3 dB Eb/N0 from symbol errors 1.7 dB Shannon capacity 3.7 bits/hour Shannon efficiency 52.1 % symbols file sum_W_31-01-symbols.csv elapsed 67 seconds --------------------------------------------- found PEACE list rank 0 reference phase -150 180 180 150 carrier S/N 15.91 dB in 18.6 uHz, -31.39 dB in 1Hz, -65.37 dB in 2.5kHz carrier Es/N0 -13.61 dB carrier Eb/N0 1.36 dB info bit period 1886.32 seconds symbol error rate 341/896 = 38.058 % Es/N0 from symbol errors -13.3 dB Eb/N0 from symbol errors 1.7 dB Shannon capacity 3.7 bits/hour Shannon efficiency 51.8 % symbols file sum_W_31-01-symbols.csv elapsed 196 seconds ------=_Part_247603_1884367080.1504298887958--