Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-db03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5A5E138000096; Sat, 24 Nov 2012 03:33:35 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TcBAM-0007KW-9E for rs_out_1@blacksheep.org; Sat, 24 Nov 2012 08:32:46 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TcBAL-0007KN-Ln for rsgb_lf_group@blacksheep.org; Sat, 24 Nov 2012 08:32:45 +0000 Received: from imr-da06.mx.aol.com ([205.188.169.203]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1TcBAH-0000m1-Rl for rsgb_lf_group@blacksheep.org; Sat, 24 Nov 2012 08:32:44 +0000 Received: from mtaout-ma05.r1000.mx.aol.com (mtaout-ma05.r1000.mx.aol.com [172.29.41.5]) by imr-da06.mx.aol.com (8.14.1/8.14.1) with ESMTP id qAO8WI9R020464 for ; Sat, 24 Nov 2012 03:32:18 -0500 Received: from White (nrbg-4d074e10.pool.mediaWays.net [77.7.78.16]) by mtaout-ma05.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 3D8A3E0000AA for ; Sat, 24 Nov 2012 03:32:17 -0500 (EST) Message-ID: From: "Markus Vester" To: References: <8CF97D11C5AE652-1638-E77C@webmail-m030.sysops.aol.com> Date: Sat, 24 Nov 2012 09:30:55 +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 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20110426; t=1353745938; bh=Zc1pFpzxM9B+tGWIqTOAIlXLktDCgbM7hAqA5GwpznU=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=sCTa8h+PJmAGLSIKpABIIyBU+F3EDxdG/jK4rCsMVk/u0+4vkwoj2sNjMcvRy4R5p aiA3i+OJ2nwZ9snFKEud9broxt1mnNRlEjjL8g/g8NVaWJ/TnAWPOzeATOTl2MrWYn gWzKOy97mx6ZDOMTLLcOs+oQq7dHSzy6QR9vYfkY= X-AOL-SCOLL-SCORE: 0:2:509620768:93952408 X-AOL-SCOLL-URL_COUNT: 0 X-Spam-Score: 0.3 (/) 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: Joe, thanks for the info. That must have been around sunset on your side... the signal then disappeared for a while and became again visible after midnight UT. Coherent keying would be beneficial as it generates a sharp central line in the spectrum which aids detection of below-noise QRSS or Opera signals. The source doesn't need to be referenced to GPS or similar, any stable oscillator will suffice as long as it is not interrupted by the keying. If you are now using a divider to drive the PA you would need to let the divider continue during key-up, and gate one of the subsequent driver stages instead. [...] Content analysis details: (0.3 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.6 RCVD_IN_SORBS_WEB RBL: SORBS: sender is an abusable web server [77.7.78.16 listed in dnsbl.sorbs.net] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [205.188.169.203 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 -0.4 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: 3547ef0bd9aa4f6a2596c8a6b1b20265 Subject: Re: LF: VO1NA at 20:00 - or not? Content-Type: multipart/alternative; boundary="----=_NextPart_000_000F_01CDCA26.67852740" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,HTML_MESSAGE, 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 x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mtain-db03.r1000.mx.aol.com ; domain : mx.aol.com DKIM : pass x-aol-sid: 3039ac1d405750b0865f2b55 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_000F_01CDCA26.67852740 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Joe,=20 thanks for the info. That must have been around sunset on your side... = the signal then disappeared for a while and became again visible after = midnight UT. Coherent keying would be beneficial as it generates a sharp central line = in the spectrum which aids detection of below-noise QRSS or Opera = signals. The source doesn't need to be referenced to GPS or similar, any = stable oscillator will suffice as long as it is not interrupted by the = keying. If you are now using a divider to drive the PA you would need to = let the divider continue during key-up, and gate one of the subsequent = driver stages instead. It is also possible to generate coherent FSK or DFCW but this requires = careful adjustment of the symbol timing and frequncy shift so that df * = dt is an integer number (as in WSPR or WSJT-X). Best 73, Markus (DF6NM) From: jcraig@mun.ca=20 Sent: Saturday, November 24, 2012 3:11 AM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: VO1NA at 20:00 - or not? Dear Markus, Group. Thank-you for the report. Yes, VO1NA is on the air however there is = still=20 work needed towards achieving phase coherence keying! The TX is a 100 watt class E: an IRFP260N driven by a TC4427. Hopefully the Decca will be back in service soon. 73 Joe On Fri, 23 Nov 2012, Markus Vester wrote: > Nice signals from the east (YO and AGC in red) and west (an early?blue = NA on 137777), simultaneously in the TA window > http://www.alice-dsl.net/df6nm/grabber/Grabber.htm > ? > > Well at?least that's what I thought,?but no?trace?of VO1NA?yet on > http://www.w1vd.com/grabber.html > ? > Joe, are you on air? > ? > Best 73, > Markus (DF6NM) > > ? > > This electronic communication is governed by the terms and conditions at http://www.mun.ca/cc/policies/electronic_communications_disclaimer_2012.p= hp ------=_NextPart_000_000F_01CDCA26.67852740 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Joe,
 
thanks for the info. That must have = been around=20 sunset on your side... the signal then disappeared for a while and = became=20 again visible after midnight UT.
 
Coherent keying would be beneficial as = it generates=20 a sharp central line in the spectrum which aids detection = of below-noise=20 QRSS or Opera signals. The source doesn't need to be referenced to = GPS or=20 similar, any stable oscillator will suffice as long as it is not = interrupted by=20 the keying. If you are now using a divider to drive the PA = you would=20 need to let the divider continue during key-up, and gate one of the = subsequent driver stages instead.
 
It is also possible to generate = coherent FSK or=20 DFCW but this requires careful adjustment of the symbol timing and = frequncy=20 shift so that df * dt is an integer number (as in WSPR or = WSJT-X).
 
Best 73,
Markus (DF6NM)
 

Sent: Saturday, November 24, 2012 3:11 AM
Subject: Re: LF: VO1NA at 20:00 - or not?

Dear Markus, Group.

Thank-you for the = report.  Yes,=20 VO1NA is on the air however there is still
work needed towards = achieving=20 phase coherence keying!  The TX is a 100
watt class E: an = IRFP260N=20 driven by a TC4427.

Hopefully the Decca will be back in service=20 soon.

73
Joe

On Fri, 23 Nov 2012, Markus Vester=20 wrote:

> Nice signals from the east (YO and AGC in red) and = west (an=20 early?blue NA on 137777), simultaneously in the TA window
> http://www.al= ice-dsl.net/df6nm/grabber/Grabber.htm
>=20 ?
>
> Well at?least that's what I thought,?but no?trace?of = VO1NA?yet=20 on
> http://www.w1vd.com/grabber.htm= l
>=20 ?
> Joe, are you on air?
> ?
> Best 73,
> Markus = (DF6NM)
>
> ?
>
>

This electronic = communication=20 is governed by the terms and conditions at
http://www.mun.ca/cc/policies/electronic_communications_discl= aimer_2012.php

------=_NextPart_000_000F_01CDCA26.67852740--