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[195.171.43.25]) by mx.google.com with ESMTP id wu7si6025560wjb.156.2013.12.22.13.22.21 for ; Sun, 22 Dec 2013 13:22:21 -0800 (PST) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org; dkim=pass header.i=@mx.aol.com Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Vuq5N-0003U7-Ri for rs_out_1@blacksheep.org; Sun, 22 Dec 2013 20:57:17 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Vuq5N-0003Ty-5M for rsgb_lf_group@blacksheep.org; Sun, 22 Dec 2013 20:57:17 +0000 Received: from omr-d01.mx.aol.com ([205.188.252.208]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1Vuq5K-0002NF-6h for rsgb_lf_group@blacksheep.org; Sun, 22 Dec 2013 20:57:16 +0000 Received: from mtaout-mac01.mx.aol.com (mtaout-mac01.mx.aol.com [172.26.222.205]) by omr-d01.mx.aol.com (Outbound Mail Relay) with ESMTP id 2C6BF700567C9 for ; Sun, 22 Dec 2013 15:57:12 -0500 (EST) Received: from White (95-91-238-155-dynip.superkabel.de [95.91.238.155]) by mtaout-mac01.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 547CE380000A4 for ; Sun, 22 Dec 2013 15:57:11 -0500 (EST) Message-ID: <2F6E13BA1AC54081B331CE75D55A4018@White> From: "Markus Vester" To: References: , <29C5D31402B1497ABD667873D9E94697@AGB>, Date: Sun, 22 Dec 2013 21:56:43 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1387745832; bh=6e1NgpdTX46YJd7pHX9Z4/XMZqKwuUT+eZLzBQQbgcU=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=vY/+0bXUpUxikgxkKKc8oZFd5x1fx0oJuIifVFgVzqbvNT3HK2mO609l6riKlLuSy zcxL3sdo7AtewNIdPZOe3YwNpfFQTcgzhizPsF8OcNxNsO7W2XrmPcrtOxpErw+8P2 qiS+fE/ksgugEpR7gkvgWyJ759MDnCCw1d+WloW4= x-aol-sid: 3039ac1adecd52b752275a4e X-AOL-IP: 95.91.238.155 X-Spam-Score: 0.5 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi Bob, looking at last night's opds-16 spectrogram http://dl.dropboxusercontent.com/u/26404526/opds16_131222_0800.png, your signal was low level but steady from 22:30, but had vanished completely around 0:15 before I went to bed. Finding the hits this morning was a pleasant surprise for me as well! [...] Content analysis details: (0.5 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [205.188.252.208 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markusvester[at]aol.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.5 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 1.0 FREEMAIL_REPLY From and body contain different freemails X-Scan-Signature: f3bc6f10d05216e9eca6fe092612a1dd Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial 2200 start... Content-Type: multipart/alternative; boundary="----=_NextPart_000_001E_01CEFF60.B387FC60" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=HTML_60_70,HTML_MESSAGE, HTML_TAG_EXISTS_TBODY,MISSING_OUTLOOK_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 Status: O X-Status: X-Keywords: X-UID: 2547 Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_001E_01CEFF60.B387FC60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Bob, looking at last night's opds-16 spectrogram = http://dl.dropboxusercontent.com/u/26404526/opds16_131222_0800.png, your = signal was low level but steady from 22:30, but had vanished completely = around 0:15 before I went to bed. Finding the hits this morning was a = pleasant surprise for me as well! Regarding a possible advantage for shorter modes, I still believe that = "slower is better". During the first hour, your signal was consistently = short by ~ 3 dB here, and would have likely been detected in opds-64 = already. The CFH plot = http://dl.dropboxusercontent.com/u/26404526/plot_131222_0835.png shows = some gentle signal variation on the Halifax path, but no indication of = sharp peaks. It is mostly the total signal energy which decides upon a detection. If = a short peak is strong enough for opds-16, it will quite likely also be = detected as part of a one hour transmission. In practice there's of = course a lower limit to this: With "true decoders" (WSPR and Opera) and = forward error correction, with a sufficiently strong signal about 50% of = the whole data set is required for valid output. On the other hand, opds = contents itself with the much simpler task of only identifying an entry = from a relatively short list, and can often do so in about 20% of total = time. Best 73, Markus (DF6NM) From: Bob Raide=20 Sent: Sunday, December 22, 2013 5:32 PM To: rsgb_lf_group@blacksheep.org=20 Subject: RE: LF: OP/OPDS 16 tonight on 72.7 dial 2200 start... Markus; I was very pleasantly surprised at your decodes as we had bad ice here = starting around 0200. I tried to keep retuning but by 0300 couldn't = load much power-was down to 200 TX output! By 0730 whan I closed was = on exciter at 50 watts! Band kept getting better but ice kept getting = worse-great going on receive and the OPDS16 seems worth running on this = long wave band. It's short duration seems to take advantage of the = peaks as the sigs comes up out of those fades???Bob =20 -------------------------------------------------------------------------= ------- From: markusvester@aol.com To: rsgb_lf_group@blacksheep.org Date: Sun, 22 Dec 2013 14:08:29 +0100 Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial 2200 start... Well, maybe dim but not completely dark... got a few opds-16 detections = here but not far above the threshold: 2013-12-22 04:56:17 WG4XRS 6448km 74322.200Hz 5mHz -46.2dBOp 93% = 15.3dB 2013-12-22 04:39:43 WG4XRS 6448km 74322.200Hz 5mHz -44.2dBOp 100% = 15.7dB 2013-12-22 04:23:10 WG4XRS 6448km 74322.200Hz 4mHz -47.1dBOp 94% = 16.4dB 2013-12-22 02:10:43 WG4XRS 6448km 74322.199Hz 3mHz -47.0dBOp 97% = 15.4dB 73, Markus (DF6NM) From: Graham=20 Sent: Sunday, December 22, 2013 1:30 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial 2200 start... Looks like the shutters where down last nigh Bob ? G,=20 WG4XRS KA9CFD 4000m OPERA 725 miles 02:43:50=20 WG4XRS K3SIW-1 4000m OPERA 580 miles 01:54:10=20 WG4XRS K3SIW-2 4000m OPERA 580 miles 07:41:53=20 WG4XRS W3NF 4000m OPERA 233 miles 23:25:09=20 ...=20 From: Bob Raide=20 Sent: Saturday, December 21, 2013 9:46 PM To: rsgb_lf_group@blacksheep.org ; Bob Raide=20 Subject: LF: OP/OPDS 16 tonight on 72.7 dial 2200 start... WG2XRS/4 [WG4XRS opera modes] NY 74.3222 TX freq. On till 0700 weather = co-operating. Hopefully Dex and John joining in also. All decodes appreciated-Bob ------=_NextPart_000_001E_01CEFF60.B387FC60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Bob,
 
looking at last night's opds-16 = spectrogram http://dl.dropboxusercontent.com/u/26404526/opds16_131222_0800.png= ,=20 your signal was low level but steady = from=20 22:30, but had vanished completely around 0:15 before I went = to bed.=20 Finding the hits this morning was a pleasant surprise for me = as=20 well!
 
Regarding a possible advantage for = shorter modes, I=20 still believe that "slower is better". During the first hour, your=20 signal was consistently short by ~ 3 dB here, and would have = likely=20 been detected in opds-64 already. The CFH plot http://dl.dropboxusercontent.com/u/26404526/plot_131222_0835.png s= hows some=20 gentle signal variation on the Halifax path, but no indication=20 of sharp peaks.
 
It = is mostly the=20 total signal energy which decides upon a detection. If a short = peak is strong enough for opds-16, it will quite=20 likely also be detected as part of a one=20 hour transmission. In practice there's of course a lower limit to = this:=20 With "true decoders" (WSPR and Opera) and forward error=20 correction, with a sufficiently strong = signal about 50% of=20 the whole data set is required for valid output. On the other hand,=20 opds contents itself with the much simpler task of only=20 identifying an entry from a relatively short list, and can = often=20 do so in about 20% of total time.
 
Best 73,
Markus (DF6NM)
 

From: Bob Raide
Sent: Sunday, December 22, 2013 5:32 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: RE: LF: OP/OPDS 16 tonight on 72.7 dial 2200=20 start...

Markus;
I was very pleasantly surprised at your = decodes as we=20 had bad ice here starting around 0200.  I tried to keep retuning = but by=20 0300 couldn't load much power-was down to 200  TX output!  By = 0730=20 whan I closed was on exciter at 50 watts!   Band kept getting = better=20 but ice kept getting worse-great going on receive and the = OPDS16 seems=20 worth running on this long wave band.  It's short duration seems to = take=20 advantage of the peaks as the sigs comes up out of those=20 fades???Bob
 
From: markusvester@aol.com
To: rsgb_lf_group@blacksheep.org
Date: = Sun, 22=20 Dec 2013 14:08:29 +0100
Subject: Re: LF: OP/OPDS 16 tonight on 72.7 = dial 2200=20 start...

Well, maybe dim but not completely = dark... got a=20 few opds-16 detections here but not far above the = threshold:
 
2013-12-22 04:56:17 WG4XRS  = 6448km =20 74322.200Hz   5mHz -46.2dBOp  93% 15.3dB
2013-12-22 = 04:39:43=20 WG4XRS  6448km  74322.200Hz   5mHz -44.2dBOp 100%=20 15.7dB
2013-12-22 04:23:10 WG4XRS  6448km  = 74322.200Hz  =20 4mHz -47.1dBOp  94% 16.4dB
2013-12-22 02:10:43 WG4XRS  = 6448km =20 74322.199Hz   3mHz -47.0dBOp  97% 15.4dB
 
73, Markus=20 (DF6NM)
 

From: Graham
Sent: Sunday, December 22, 2013 1:30 PM
Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial 2200=20 start...

Looks like the  shutters where  = down  last=20 nigh Bob ?
 
G,
 
WG4XRS KA9CFD 4000m OPERA 725 miles 02:43:50 WG4XRS K3SIW-1 4000m OPERA 580 miles 01:54:10 WG4XRS K3SIW-2 4000m OPERA 580 miles 07:41:53 WG4XRS W3NF 4000m OPERA 233 miles 23:25:09
 
 ... 

From: Bob Raide
Sent: Saturday, December 21, 2013 9:46 PM
To: rsgb_lf_group@blacksheep.org= ; Bob Raide=20
Subject: LF: OP/OPDS 16 tonight on 72.7 dial 2200=20 start...

WG2XRS/4 [WG4XRS opera modes] NY 74.3222 TX freq.  = On till=20 0700 weather co-operating.  Hopefully Dex and John joining in = also.
All=20 decodes appreciated-Bob
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