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=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,RCVD_IN_DNSWL_MED,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: : mailn 1480; 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 v3L7TU5D028027 for ; Fri, 21 Apr 2017 09:29:32 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1d1Sx3-0008PX-Nq for rs_out_1@blacksheep.org; Fri, 21 Apr 2017 08:25:57 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1d1Sx3-0008PO-01 for rsgb_lf_group@blacksheep.org; Fri, 21 Apr 2017 08:25:57 +0100 Received: from smtp-out-2.talktalk.net ([62.24.135.66]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1d1Sx0-0000p9-22 for rsgb_lf_group@blacksheep.org; Fri, 21 Apr 2017 08:25:55 +0100 Received: from [192.168.1.3] ([78.150.101.242]) by smtp.talktalk.net with SMTP id 1Swydd29246SJ1SwydkBeL; Fri, 21 Apr 2017 08:25:53 +0100 X-Originating-IP: [78.150.101.242] X-Spam: 0 X-OAuthority: v=2.2 cv=CItoZljD c=1 sm=1 tr=0 a=zSPPKdXLYhWsOVDzq1e+mg==:117 a=zSPPKdXLYhWsOVDzq1e+mg==:17 a=r77TgQKjGQsHNAKrUKIA:9 a=GPkeAfgWnsZDCVETLPIA:9 a=418ZfP9cGqDUFr4-:21 a=yI3MlrcIxCRDkd9-:21 a=QEXdDO2ut3YA:10 a=1ifObr4IGusqMuMOcoEA:9 a=j1vZwOeENFd1LHwG:21 a=_W_S_7VecoQA:10 To: rsgb_lf_group@blacksheep.org References: <58F48E7E.17668.80FC91@roelof.ndb.demon.nl> <9E7678AF78C14D20B28472DF6749967A@AGB> <58F523AB.16927.6F358B@roelof.ndb.demon.nl> <58F52756.9090301@posteo.de> <8335a810-b99c-84d5-30f1-b9dd1f7f8e79@psk31.plus.com> <58F727CF.6000603@posteo.de> <1c4a22fa-60bf-9090-4e57-6ad9bfecba98@abelian.org> <58F7523E.50304@posteo.de> <58F761F4.7010607@posteo.de> <8de9b000-9bff-5f69-511b-511369a113d3@abelian.org> <58F87918.7050808@posteo.de> From: g3zjo Message-ID: Date: Fri, 21 Apr 2017 08:25:53 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.0.1 MIME-Version: 1.0 In-Reply-To: <58F87918.7050808@posteo.de> Content-Language: en-GB X-Antivirus: Avast (VPS 170420-10, 20/04/2017), Outbound message X-Antivirus-Status: Clean X-CMAE-Envelope: MS4wfKEmKzihjSWYN+oPJBpOKU+ylfFEUGWw7HwuydLmLVd8cssPibY70d7qGset8h1mX7QXftIpWVKnHwdMwi31CrsedQMHrEmW6+At3Iu+twy06PwaPHzy AwpMtDHZbSeY/H1sHUnuXixBdVGtPMYg1G1Bwxru4ju+9kxHM/LZvKEml+z1sPVpLc2m2xj9DbuEPQ== X-Scan-Signature: 9cafc73d135491d75f4f47d39ed43841 Subject: Re: VLF: New carrier on 6470.005 Hz Content-Type: multipart/alternative; boundary="------------237E9AF397A5BEF368410112" 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: RO X-Status: X-Keywords: X-UID: 11418 This is a multi-part message in MIME format. --------------237E9AF397A5BEF368410112 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit On 20/04/2017 10:02, DK7FC wrote: > > Last night i run another message: > > *f = 6470.100000 Hz > Start time: 19.Apr.2017 19:00:00 UTC > Symbol period: 30 s > Characters: 2 > CRC bits: 20 > Coding 16K21A > Duration: 6h, 56m > Antenna current: 460 mA > > *This is a chance for G3ZJO and RN3AUS and SQ5BPF. I generated EbNaut > RX files from the tree, the message decoded without a single bit error. Here are my complete results, just in case it contains any useful information. No decodes at all with with List Length 20000, I assume all falsies with 200000. The signal has been pretty poor in the last carrier transmission so I wasn't too hopeful.. Incidentally I noticed in SpecLab that the clock on Button 3 of my Ebnaut instance was stopped at 10:26 UTC (and probably the waterfall scroll too) yet it is still spewing out files for EbNaut. There must be a clue there somewhere. Win7 dual core processor, Hat 6 7/8, Shoe 9 UK, 44 EU. ebnaut-rx V0.6 input file C:\Comms\EbNaut\20_APR_0121_6470.wav sample rate 0.342935 per second rx frequency 8270.1 file start time 2017-04-19 18:43:06.270 polynomial 16K21A crc size 20 number of chars 2 block size 32 symbol period 30.000 number of symbols 832 list length 200000 start offset 1025.293 freq offset 0.000000 cores 2 skipped 1026.434179 seconds to start initial reference phase 74.7 --------------------------------------------- found 89 list rank 144418 reference phase 60 60 60 60 carrier RMS 2.861e-005 noise RMS 9.431e-006 carrier S/N 9.64 dB in 40.1 uHz carrier Es/N0 -19.56 dB carrier Eb/N0 -0.93 dB info bit period 2189.47 seconds symbol error rate 374/832 = 44.952 % Es/N0 from symbol errors -20.0 dB Eb/N0 from symbol errors -1.4 dB Shannon capacity 1.9 bits/hour Shannon efficiency 86.3 % symbols file C:\Comms\EbNaut\20_APR_0121_6470-symbols.csv elapsed 44 seconds --------------------------------------------- found 89 list rank 104145 reference phase 60 30 60 30 carrier RMS 2.962e-005 noise RMS 9.431e-006 carrier S/N 9.94 dB in 40.1 uHz carrier Es/N0 -19.26 dB carrier Eb/N0 -0.63 dB info bit period 2189.47 seconds symbol error rate 369/832 = 44.351 % Es/N0 from symbol errors -19.9 dB Eb/N0 from symbol errors -1.3 dB Shannon capacity 2.0 bits/hour Shannon efficiency 80.6 % symbols file C:\Comms\EbNaut\20_APR_0121_6470-symbols.csv elapsed 229 seconds --------------------------------------------- found 2@ list rank 49804 reference phase 180 150 180 150 carrier RMS 2.952e-005 noise RMS 9.431e-006 carrier S/N 9.91 dB in 40.1 uHz carrier Es/N0 -19.29 dB carrier Eb/N0 -0.66 dB info bit period 2189.47 seconds symbol error rate 359/832 = 43.149 % Es/N0 from symbol errors -18.2 dB Eb/N0 from symbol errors 0.4 dB Shannon capacity 2.0 bits/hour Shannon efficiency 81.1 % symbols file C:\Comms\EbNaut\20_APR_0121_6470-symbols.csv elapsed 245 seconds --------------------------------------------- found 2@ list rank 32051 reference phase 180 150 -150 180 carrier RMS 3.064e-005 noise RMS 9.431e-006 carrier S/N 10.24 dB in 40.1 uHz carrier Es/N0 -18.97 dB carrier Eb/N0 -0.33 dB info bit period 2189.47 seconds symbol error rate 359/832 = 43.149 % Es/N0 from symbol errors -18.2 dB Eb/N0 from symbol errors 0.4 dB Shannon capacity 2.2 bits/hour Shannon efficiency 75.3 % symbols file C:\Comms\EbNaut\20_APR_0121_6470-symbols.csv elapsed 370 seconds 73 Eddie G3ZJO --------------237E9AF397A5BEF368410112 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit On 20/04/2017 10:02, DK7FC wrote:

Last night i run another message:

f = 6470.100000 Hz
Start time: 19.Apr.2017   19:00:00 UTC
Symbol period: 30 s
Characters: 2
CRC bits: 20
Coding 16K21A
Duration: 6h, 56m
Antenna current: 460 mA

This is a chance for G3ZJO and RN3AUS and SQ5BPF. I generated EbNaut RX files from the tree, the message decoded without a single bit error.

Here are my complete results, just in case it contains any useful information. No decodes at all with with List Length 20000, I assume all falsies with 200000. The signal has been pretty poor in the last carrier transmission so I wasn't too hopeful..

Incidentally I noticed in SpecLab that the clock on Button 3 of my Ebnaut instance was stopped at 10:26  UTC (and probably the waterfall scroll too) yet it is still spewing out files for EbNaut. There must be a clue there somewhere. Win7 dual core processor, Hat 6 7/8, Shoe 9 UK, 44 EU.

ebnaut-rx V0.6
input file C:\Comms\EbNaut\20_APR_0121_6470.wav
sample rate 0.342935 per second
rx frequency 8270.1
file start time 2017-04-19 18:43:06.270
polynomial 16K21A
crc size 20
number of chars 2
block size 32
symbol period 30.000
number of symbols 832
list length 200000
start offset 1025.293
freq offset 0.000000
cores 2
skipped 1026.434179 seconds to start
initial reference phase 74.7
---------------------------------------------
found 89
list rank 144418
reference phase   60   60   60   60
carrier RMS 2.861e-005 noise RMS 9.431e-006
carrier S/N 9.64 dB in 40.1 uHz
carrier Es/N0 -19.56 dB
carrier Eb/N0 -0.93 dB
info bit period 2189.47 seconds
symbol error rate 374/832 = 44.952 %
Es/N0 from symbol errors -20.0 dB
Eb/N0 from symbol errors -1.4 dB
Shannon capacity 1.9 bits/hour
Shannon efficiency 86.3 %
symbols file C:\Comms\EbNaut\20_APR_0121_6470-symbols.csv
elapsed 44 seconds
---------------------------------------------
found 89
list rank 104145
reference phase   60   30   60   30
carrier RMS 2.962e-005 noise RMS 9.431e-006
carrier S/N 9.94 dB in 40.1 uHz
carrier Es/N0 -19.26 dB
carrier Eb/N0 -0.63 dB
info bit period 2189.47 seconds
symbol error rate 369/832 = 44.351 %
Es/N0 from symbol errors -19.9 dB
Eb/N0 from symbol errors -1.3 dB
Shannon capacity 2.0 bits/hour
Shannon efficiency 80.6 %
symbols file C:\Comms\EbNaut\20_APR_0121_6470-symbols.csv
elapsed 229 seconds
---------------------------------------------
found 2@
list rank 49804
reference phase  180  150  180  150
carrier RMS 2.952e-005 noise RMS 9.431e-006
carrier S/N 9.91 dB in 40.1 uHz
carrier Es/N0 -19.29 dB
carrier Eb/N0 -0.66 dB
info bit period 2189.47 seconds
symbol error rate 359/832 = 43.149 %
Es/N0 from symbol errors -18.2 dB
Eb/N0 from symbol errors 0.4 dB
Shannon capacity 2.0 bits/hour
Shannon efficiency 81.1 %
symbols file C:\Comms\EbNaut\20_APR_0121_6470-symbols.csv
elapsed 245 seconds
---------------------------------------------
found 2@
list rank 32051
reference phase  180  150 -150  180
carrier RMS 3.064e-005 noise RMS 9.431e-006
carrier S/N 10.24 dB in 40.1 uHz
carrier Es/N0 -18.97 dB
carrier Eb/N0 -0.33 dB
info bit period 2189.47 seconds
symbol error rate 359/832 = 43.149 %
Es/N0 from symbol errors -18.2 dB
Eb/N0 from symbol errors 0.4 dB
Shannon capacity 2.2 bits/hour
Shannon efficiency 75.3 %
symbols file C:\Comms\EbNaut\20_APR_0121_6470-symbols.csv
elapsed 370 seconds

73 Eddie G3ZJO
--------------237E9AF397A5BEF368410112--