Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id w1Q3cARD032666 for ; Mon, 26 Feb 2018 04:38:13 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1eq9WN-0000pf-Kb for rs_out_1@blacksheep.org; Mon, 26 Feb 2018 03:32:11 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1eq9WF-0000pW-Mh for rsgb_lf_group@blacksheep.org; Mon, 26 Feb 2018 03:32:03 +0000 Received: from resqmta-ch2-10v.sys.comcast.net ([2001:558:fe21:29:69:252:207:42]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1eq9WB-0001j6-WA for rsgb_lf_group@blacksheep.org; Mon, 26 Feb 2018 03:32:02 +0000 Received: from resomta-ch2-20v.sys.comcast.net ([69.252.207.116]) by resqmta-ch2-10v.sys.comcast.net with ESMTP id q9Vxeu7PW5g7kq9W6eeFJ5; Mon, 26 Feb 2018 03:31:54 +0000 X-DKIM-Result: Domain=comcast.net Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20161114; t=1519615914; bh=jGGCCo1SieR6zT5WXnVRXtp2BWhgUGx7q9Hbc+X0bPw=; h=Received:Received:From:To:Subject:Date:Message-ID:MIME-Version: Content-Type; b=i8xFdiaEfPiPHtnBVgoWluL8VzilEI6oiF0G/IJulCuQNq9wC8mcoOXtbxcJUKb+R /L/jDZw9QNP6tOIsYNcyiItmV9aoub7+34PdGH4JYXC8h0aVp2rByHWKU/NDFK8Odq HHJKZeAN1v8s7i8z5M0MeLjqdEBtzsaLi1D59pQEwCu2wHrTg0X4sYDDv0kkpMQRkO r8mAQZmsQo44srCN/fU4rANvuLvMeGmoe+hQC/cDg8ws0I5+CB6W6AMUPzafVzwOht YwGypbYjdbUabYZVkjCEyJ/a4bkwG1t9dTo+eEOPPJhf7g5AikMi1XwBy+tnuYYhTt T/e6ZfZf0svkA== Received: from Owner ([IPv6:2601:140:8500:7f9f:1d54:4759:866d:8868]) by resomta-ch2-20v.sys.comcast.net with SMTP id q9W4eC3dFEwkeq9W4ewvvK; Mon, 26 Feb 2018 03:31:53 +0000 From: To: References: <1UQOBAX9Wi.5GpBpi86BpG@optiplex980-pc> <161ce6c803f-1564-19878@webjas-vab234.srv.aolmail.net> In-Reply-To: <161ce6c803f-1564-19878@webjas-vab234.srv.aolmail.net> Date: Sun, 25 Feb 2018 22:31:41 -0500 Message-ID: <024d01d3aeb2$52a23450$f7e69cf0$@comcast.net> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQJrEajWjojpVPTj4AgjybZrfAHJkKKHPriQ Content-Language: en-us X-CMAE-Envelope: MS4wfPmvDUjBcwKAbnT6/7uAl9MId4BeWSwy3R8QiM4tNZrIazqLvKC0UeEf/KFsjQRwjkHPzzSG8li5L7P3vDY3obPKIVwMOmmpDZ82QZTM1qOXem4FrvR2 APHsVy7IwB43Wrss54WvY6NrQ+K3m6lrU40= X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Congratulations Jay and Stefan, and thanks Markus for the perspectives and reference points. I have a rough recollection of Stefan’s estimated ERP, which would seem to slightly more than offset a nominal E-W/W-E attenuation ratio, making Markus’ two propagation observations particularly interesting, as is the Forest question. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hvanesce[at]comcast.net) -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 5bc6e377a7e48238fb2d1143b58fab98 Subject: RE: LF: VLF DK7FC > W1VD 8.27 kHz EbNaut more success! Content-Type: multipart/alternative; boundary="----=_NextPart_000_024E_01D3AE88.69CC2C50" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_40_50,HTML_MESSAGE, NO_REAL_NAME autolearn=no version=2.63 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 This is a multipart message in MIME format. ------=_NextPart_000_024E_01D3AE88.69CC2C50 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Congratulations Jay and Stefan, and thanks Markus for the perspectives = and reference points. I have a rough recollection of Stefan=E2=80=99s = estimated ERP, which would seem to slightly more than offset a nominal = E-W/W-E attenuation ratio, making Markus=E2=80=99 two propagation = observations particularly interesting, as is the Forest question. =20 Fine work Stefan and Jay. =20 73, =20 Jim AA5BW =20 =20 From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus Vester Sent: Sunday, February 25, 2018 2:25 PM To: rsgb_lf_group@blacksheep.org Subject: Re: LF: VLF DK7FC > W1VD 8.27 kHz EbNaut more success! =20 Hi Jay, Stefan,=20 really good work, truly amazing!=20 Noticing that Stefan hadn't sent another repeat last night 24/25th, I = wondered whether the experiment might have already been concluded = successfully - yes it had ;-) Considering that Joe has been making the TA W-E path with only 10 uW, in = retrospective it seems not so surprising that Stefan's much stronger = signal managed to overcome the E-W nonreciprocity. On the other hand, = when Uwe had sent a very long carrier in March 2014, no conclusive trace = was ever detected in Virginia. Now I wonder whether Stefan's recent = transmission has also been picked up in Forest? All the best, Markus (DF6NM) =20 -----Urspr=C3=BCngliche Mitteilung-----=20 Von: jrusgrove An: (rsgb_lf_group@blacksheep.org) Verschickt: So, 25. Feb 2018 19:26 Betreff: LF: VLF DK7FC > W1VD 8.27 kHz EbNaut more success! Stefans transmission: =20 f =3D 8270.1000 Hz Start time: 19.FEB.2018 22:30:00 UTC (daily) Symbol period: 30 s Characters: 2 CRC bits: 22 Coding 16K21A Duration: 07:12 [hh:mm] Antenna current: 700 mA =20 After a successful one character reception earlier in the week, we can = now report the successful reception of a 2 character message. Stacking = of 3 transmissions was required (0221, 0222 and 0223). There is also a = 0224 file but it has timing issues and may or may not be usable.=20 =20 ebnaut-rx V0.8 input file C:\EbNaut\DK7FC\sum212223.wav sample rate 0.457240 per second rx frequency 8270 file start time 2018-02-22 22:21:17.790 polynomial 16K21A crc size 22 number of chars 2 block size 34 symbol period 30.000 number of symbols 864 start offset 537.000 freq offset 0.100000 cores 2 list length 500000 skipped 538.011261 seconds to start initial reference phase 30.6 --------------------------------------------- found DX list rank 48426 reference phase 150,150,150,150 carrier S/N 11.04 dB in 38.6 uHz, -33.10 dB in 1Hz, -67.08 dB in 2.5kHz carrier Es/N0 -18.33 dB carrier Eb/N0 0.47 dB info bit period 2273.68 seconds symbol error rate 373/864 =3D 43.171 % Es/N0 from symbol errors -18.2 dB Eb/N0 from symbol errors 0.6 dB Shannon capacity 2.5 bits/hour Shannon efficiency 62.7 % symbols file C:\EbNaut\DK7FC\sum212223-symbols.csv elapsed 52 seconds --------------------------------------------- found DX list rank 17074 reference phase 120,150,120,150 carrier S/N 11.19 dB in 38.6 uHz, -32.94 dB in 1Hz, -66.92 dB in 2.5kHz carrier Es/N0 -18.17 dB carrier Eb/N0 0.62 dB info bit period 2273.68 seconds symbol error rate 374/864 =3D 43.287 % Es/N0 from symbol errors -18.4 dB Eb/N0 from symbol errors 0.4 dB Shannon capacity 2.6 bits/hour Shannon efficiency 60.5 % symbols file C:\EbNaut\DK7FC\sum212223-symbols.csv elapsed 383 seconds Jay W1VD WD2XNS WE2XGR/2 =20 =20 =20 =20 ------=_NextPart_000_024E_01D3AE88.69CC2C50 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Congratulations Jay and Stefan, and thanks Markus for the = perspectives and reference points. I have a rough recollection of = Stefan=E2=80=99s estimated ERP, which would seem to slightly more than = offset a nominal E-W/W-E attenuation ratio, making Markus=E2=80=99 two = propagation observations particularly interesting, as is the Forest = question.

 

Fine work Stefan and Jay.

 

73,

 

Jim AA5BW =C2=A0=C2=A0

 

From:= = owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus = Vester
Sent: Sunday, February 25, 2018 2:25 PM
To: = rsgb_lf_group@blacksheep.org
Subject: Re: LF: VLF DK7FC > = W1VD 8.27 kHz EbNaut more success!

 

H= i Jay, Stefan,

really good work, truly amazing!

Noticing = that Stefan hadn't sent another repeat last = night 24/25th, I wondered whether the experiment might = have already been concluded successfully - yes it had = ;-)

Considering that Joe has been making the TA W-E = path with only 10 uW, in retrospective it seems not so surprising = that Stefan's much stronger signal managed to overcome the = E-W nonreciprocity. On the other hand, when Uwe had sent = a very long carrier in March 2014, no conclusive trace was = ever detected in Virginia. Now I wonder whether Stefan's = recent transmission has also been picked up in Forest?

All the = best,
Markus (DF6NM)  


-----Urspr=C3=BCngliche = Mitteilung-----
Von: jrusgrove <jrusgrove@comcast.net>
An= : (rsgb_lf_group@blacksheep.org= ) <rsgb_lf_group@blacksheep.org= >
Verschickt: So, 25. Feb 2018 19:26
Betreff: LF: VLF DK7FC = > W1VD 8.27 kHz EbNaut more = success!

S= tefans transmission:

&= nbsp;

f= =3D 8270.1000 Hz<= br>Start time: = 19.FEB.2018  22:30:00 UTC (daily)
Symbol period: 30 = s
Characters: = 2
CRC bits: = 22
Coding = 16K21A
Duration: 07:12 = [hh:mm]
Antenna current: 700 = mA<= o:p>

&= nbsp;

A= fter a successful one character reception earlier in the week, we can = now report the successful reception of a 2 character = message. Stacking of 3  transmissions was required (0221, = 0222 and 0223). There is also a 0224 file but it has = timing issues and may or may not be usable. =

&= nbsp;

e= bnaut-rx V0.8
input file C:\EbNaut\DK7FC\sum212223.wav
sample rate = 0.457240 per second
rx frequency 8270
file start time 2018-02-22 = 22:21:17.790
polynomial 16K21A
crc size 22
number of chars = 2
block size 34
symbol period 30.000
number of symbols = 864
start offset 537.000
freq offset 0.100000
cores 2
list = length 500000
skipped 538.011261 seconds to start
initial = reference phase = 30.6
---------------------------------------------
found = DX
list rank 48426
reference phase 150,150,150,150
carrier S/N = 11.04 dB in 38.6 uHz, -33.10 dB in 1Hz, -67.08 dB in 2.5kHz
carrier = Es/N0 -18.33 dB
carrier Eb/N0 0.47 dB
info bit period 2273.68 = seconds
symbol error rate 373/864 =3D 43.171 %
Es/N0 from symbol = errors -18.2 dB
Eb/N0 from symbol errors 0.6 dB
Shannon capacity = 2.5 bits/hour
Shannon efficiency 62.7 %
symbols file = C:\EbNaut\DK7FC\sum212223-symbols.csv
elapsed 52 = seconds
---------------------------------------------
found = DX
list rank 17074
reference phase 120,150,120,150
carrier S/N = 11.19 dB in 38.6 uHz, -32.94 dB in 1Hz, -66.92 dB in 2.5kHz
carrier = Es/N0 -18.17 dB
carrier Eb/N0 0.62 dB
info bit period 2273.68 = seconds
symbol error rate 374/864 =3D 43.287 %
Es/N0 from symbol = errors -18.4 dB
Eb/N0 from symbol errors 0.4 dB
Shannon capacity = 2.6 bits/hour
Shannon efficiency 60.5 %
symbols file = C:\EbNaut\DK7FC\sum212223-symbols.csv
elapsed 383 = seconds

J= ay W1VD  WD2XNS  WE2XGR/2

&= nbsp;

&= nbsp;

&= nbsp;

<= o:p> 

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