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[195.171.43.25]) by mx.google.com with ESMTP id lm10si2709334wic.6.2013.12.19.11.22.26 for ; Thu, 19 Dec 2013 11:22:27 -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 (test mode) header.i=@comcast.net Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VtiXm-0002Tk-0F for rs_out_1@blacksheep.org; Thu, 19 Dec 2013 18:41:58 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VtiXl-0002Tb-Bg for rsgb_lf_group@blacksheep.org; Thu, 19 Dec 2013 18:41:57 +0000 Received: from qmta14.westchester.pa.mail.comcast.net ([76.96.59.212]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1VtiXi-00007J-U1 for rsgb_lf_group@blacksheep.org; Thu, 19 Dec 2013 18:41:56 +0000 Received: from omta20.westchester.pa.mail.comcast.net ([76.96.62.71]) by qmta14.westchester.pa.mail.comcast.net with comcast id 3Vw81n0031YDfWL5EWhtNa; Thu, 19 Dec 2013 18:41:53 +0000 Received: from DELL4 ([71.234.119.9]) by omta20.westchester.pa.mail.comcast.net with comcast id 3Whs1n0080CFS1j3gWhsHq; Thu, 19 Dec 2013 18:41:53 +0000 Message-ID: <006d01cefce9$fc170670$6d01a8c0@DELL4> From: To: References: <003901cefcb5$550368d0$6401a8c0@JAYDELL> Date: Thu, 19 Dec 2013 13:41:51 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20121106; t=1387478513; bh=SA4IZWtNcnvxsqXoYlEUqHdcGTKNL021IjHBuYtQyw4=; h=Received:Received:Message-ID:From:To:Subject:Date:MIME-Version: Content-Type; b=M4y1YMBlab2hah6217KKn95g5bYevxl9NBB2769AZ4MZ729wH0oI8W3dcmfvGdNhF 4kGjmQEV3Qgoy1dhbuf1JPIf3H5KDzk5XIOVGje+zdfodtbSSr/QDPGzbpnv3ZSHCz KouzvyvXPWNraDqkOpUuCZHfH9x4tNWv0Bu9+31SlmMDr2tBwiP7uHlyfSggw1UsVq 0pajJHnVyPcWVpyjRJ5w+0oBK1/dc3DcDqfA6xIs1V1Tzizt6LBdoSOBJwnWsxfTvx vzgpe+lcitnWOM+AYn7xfOBGfgQMQZ5nbUqmlwgLm/5xmNUZf6ZSQvy01Sv2HozVRB 1/t9ts6YzjXeA== 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: Bob Your comment made me realize that I was running 50% duty cycle last night so there was the potential for nearly twice that many coast-to-coast receptions ... ha! AFAIK all the stations currently transmitting WSPR on 475 kHz in the US (7 or 8 last night) spend time in receive mode uploading spots to the database. It appears there is no interest in 100% duty cycle transmit ... probably because most of these stations regularly participate in CW QSOs ... and presumably have invested time and energy in getting their receiving setups to work well. Most stations are spread out far enough so don't think it's an interference issue. [...] 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 [76.96.59.212 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (jrusgrove[at]comcast.net) -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 X-Scan-Signature: ad9c0e3658f56f4dbb01cd425a6a8031 Subject: Re: LF: WSPR2 coast-to-coast Content-Type: multipart/alternative; boundary="----=_NextPart_000_006A_01CEFCC0.12CE8D90" 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_20_30,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 Status: O X-Status: X-Keywords: X-UID: 3316 This is a multi-part message in MIME format. ------=_NextPart_000_006A_01CEFCC0.12CE8D90 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Bob Your comment made me realize that I was running 50% duty cycle last = night so there was the potential for nearly twice that many = coast-to-coast receptions ... ha! AFAIK all the stations currently transmitting WSPR on 475 kHz in the US = (7 or 8 last night) spend time in receive mode uploading spots to the = database. It appears there is no interest in 100% duty cycle transmit = ... probably because most of these stations regularly participate in CW = QSOs ... and presumably have invested time and energy in getting their = receiving setups to work well. Most stations are spread out far enough = so don't think it's an interference issue. Think mostly the die hard, weakest-of-the-weak signal enthusiasts will = be interested in OPDS due to the relative complexity of the setup ... = making it better suited to 137 kHz and below where the real 'nuts' hang = out. This is not to say that it couldn't be useful on 475 kHz probing = some distant propagation paths beyond the capability of 'normal' OP and = WSPR. Jay =20 =20 =20 ----- Original Message -----=20 From: Bob Raide=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, December 19, 2013 11:01 AM Subject: RE: LF: WSPR2 coast-to-coast Jay, et all; I think if the "average Joe" on 500 would go through the trouble of = adding "Deep Search" to any of the OPERA modes, lower power beyond that = required by WSPR would be possible for similar decoding. Another plus = would be not having to limit numbers of transmissions per hour because = of the less likely RX overloading. But the "average Joe" isn't gonna go = through the trouble of adding "DS" to OPERA, I would assume? Bob =20 > From: jrusgrove@comcast.net > To: rsgb_lf_group@blacksheep.org > Date: Thu, 19 Dec 2013 07:24:58 -0500 > Subject: LF: WSPR2 coast-to-coast >=20 > G >=20 > There were 31 WSPR2 'coast-to-coast' (west coast US and EU = simultaneous receptions) on 475 kHz last=20 > night from WE2XGR/2 alone ... WE2XGR/2 > K7IUV and WE2XGR/2 > G3XKR. = Apparently WSPR2 wins the=20 > 'coast-to-coast' competition on 475 kHz ... especially so when one = considers WSPR2 is a two minute=20 > cycle time and OP's best time is 4 minutes. >=20 > And ... this was done with moderate transmit power. >=20 > Jay W1VD WD2XNS WE2XGR/2 WG2XRS/2=20 >=20 >=20 ------=_NextPart_000_006A_01CEFCC0.12CE8D90 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Bob
 
Your comment made me realize that = I was=20 running 50% duty cycle last night so there was the potential for = nearly=20 twice that many coast-to-coast receptions ... ha!
 
AFAIK all the stations currently = transmitting=20 WSPR on 475 kHz in the US (7 or 8 last night) spend time in receive = mode=20 uploading spots to the database. It appears there is no interest in = 100%=20 duty cycle transmit ... probably because most of these=20 stations regularly participate in CW QSOs ...  and presumably=20 have invested time and energy in getting their receiving setups to = work=20 well. Most stations are spread out far enough so don't think it's = an=20 interference issue.
 
Think mostly the die hard, = weakest-of-the-weak=20 signal enthusiasts will be interested in OPDS due to the relative = complexity of=20 the setup ... making it better suited to 137 kHz and below where the = real 'nuts'=20 hang out. This is not to say that it couldn't be useful on 475 kHz = probing=20 some distant propagation paths beyond the capability of 'normal' OP = and=20 WSPR.
 
Jay     
 
  
 
  
----- Original Message -----
From:=20 Bob = Raide=20
Sent: Thursday, December 19, = 2013 11:01=20 AM
Subject: RE: LF: WSPR2=20 coast-to-coast

Jay, et all;
I think if the "average Joe" on 500 = would go=20 through the trouble of adding "Deep Search" to any of the OPERA=20 modes, lower power beyond that required by WSPR would be possible = for=20 similar decoding.  Another plus would be not having to limit = numbers of=20 transmissions per hour because of the less likely RX overloading. =  But the "average Joe" isn't gonna go through the trouble of=20 adding "DS" to OPERA, I would assume? Bob
 
> From: jrusgrove@comcast.net
> To:=20 rsgb_lf_group@blacksheep.org
> Date: Thu, 19 Dec 2013 07:24:58=20 -0500
> Subject: LF: WSPR2 coast-to-coast
>
> = G
>=20
> There were 31 WSPR2 'coast-to-coast' (west coast US and EU=20 simultaneous receptions) on 475 kHz last
> night from WE2XGR/2 = alone=20 ... WE2XGR/2 > K7IUV and WE2XGR/2 > G3XKR. Apparently WSPR2 wins = the=20
> 'coast-to-coast' competition on 475 kHz ... especially so = when one=20 considers WSPR2 is a two minute
> cycle time and OP's best time = is 4=20 minutes.
>
> And ... this was done with moderate transmit = power.
>
> Jay W1VD WD2XNS WE2XGR/2 WG2XRS/2
> =
>=20
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