X-GM-THRID: 1230490206316573829 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.115.73.3 with SMTP id a3cs35205wal; Fri, 9 Mar 2007 16:35:07 -0800 (PST) Received: by 10.67.98.9 with SMTP id a9mr10840247ugm.1173486906485; Fri, 09 Mar 2007 16:35:06 -0800 (PST) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id 5si4167440ugc.2007.03.09.16.35.05; Fri, 09 Mar 2007 16:35:06 -0800 (PST) Received-SPF: neutral (google.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) DomainKey-Status: bad (test mode) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1HPpW1-0001M1-UI for rs_out_1@blacksheep.org; Sat, 10 Mar 2007 00:32:53 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1HPpW1-0001Ls-EJ for rsgb_lf_group@blacksheep.org; Sat, 10 Mar 2007 00:32:53 +0000 Received: from smtp813.mail.ird.yahoo.com ([217.146.188.73]) by relay3.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1HPpVy-0008TP-Lq for rsgb_lf_group@blacksheep.org; Sat, 10 Mar 2007 00:32:53 +0000 Received: (qmail 23273 invoked from network); 10 Mar 2007 00:32:45 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btinternet.com; h=Received:X-YMail-OSG:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=VI8wErI8XVZaO2/kypxglUgpPgDjeq/iGDUYUkfMkLRJNkVDGySmWtj7Lg253T6un1kO69ULgckdUfStmyBMCGHfigHD4rfbkdrIqxpQLdioxOZXxPV6lWfS0XLhaIhAD68kPHles0O1hqBep1bSE8cv90a/qturlF3afbZ5oik= ; Received: from unknown (HELO lark) (alan.melia@btinternet.com@81.131.23.38 with login) by smtp813.mail.ird.yahoo.com with SMTP; 10 Mar 2007 00:32:44 -0000 X-YMail-OSG: lJiOlSIVM1km0pN4HEwUV7ocORSwgvIa0Pwd_3JHEHRaMP2OjOY.ZCBqMuw2034YqEhNcH_8sMG5C_BJ6h44xRyzG8_P3OjvcbHFpYkCK8vFgCn60ydtMZm4vwJLs8HI5rDAZsVndddUXu_OYhAGFrA- Message-ID: <004d01c762ab$a94bdf40$0300a8c0@lark> From: "Alan Melia" To: References: <128501c76290$67010040$4e6f6a58@wgt01> <45F1D746.6010607@telia.com> <000501c7629b$c4b6dd80$0300000a@bob2l2u6k2n1g3> <003a01c762a7$574441a0$0300a8c0@lark> <001401c762aa$5398e580$0300000a@bob2l2u6k2n1g3> Date: Sat, 10 Mar 2007 00:32:56 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: Re: Re: Re: ZM2E activity from the end of the month Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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: 2221 ----- Original Message ----- From: Vernall To: Sent: 10 March 2007 00:23 Subject: LF: Re: Re: ZM2E activity from the end of the month snip > I hope your request works. Do you have a limit on how many requests can be made > ??? Only if you get neurotic about dodging the thunderbolts !! :-)) Alan > ----- Original Message ----- > From: "Alan Melia" > To: > Sent: Saturday, March 10, 2007 12:16 PM > Subject: LF: Re: ZM2E activity from the end of the month > > > > Hi Bob , I am sure that you are aware of this but do get the guys to > > remember that it is not ground sunrise/sunset that matters. It is the > > darkness edge about 1000kms away. You can heft a signal into the dark zone > > ionosphere up to an hour before sunset and an hour after sunrise at this > > part of the sunspot cycle. On good days trans-Atlantic signals have been > > seen two hours after dawn in Eu. > > > > I look forward to your tests and hope for a bit better luck with the > > conditions. I have submitted a request to Ra for a quiet period but a > > little > > geomag activity about 5 days earlier !! :-)) > > > > It will be a pity if the wind farm QRTs you permanently from that site. It > > has been a major landmark in LF development in amateur circles. > > > > Best Wishes de Alan G3NYK > > > > ----- Original Message ----- > > From: Vernall > > To: > > Sent: 09 March 2007 22:37 > > Subject: LF: ZM2E activity from the end of the month > > > > > >> Hi all, > >> > >> ZM2E is setting up for 136 kHz DX activity from 31 March, for up to three > >> consecutive nights. This could be the last time that there is LF > >> transmitting from Quartz Hill as the district is planned to become a > >> large > >> wind turbine project, and all radio antennas could need to be removed in > > the > >> next few months to cater for development. > >> > >> We are in private discussion with VO1NA and RU6LA regarding LF QSO > > attempts. > >> Expressions of interest are invited from others, as at ZM2E we will try > > and > >> cover moderate receiving bandwidth by having multiple Argo sessions > > running. > >> If we see an opening with another DX station we will "go fo it", whoever > > it > >> is, and try to make the best use of an incidental propagation lift. As > >> we > >> are prepared for three nights of operation, then we are hoping there will > > be > >> multiple "events" arising. > >> > >> The previously selected 137.7886/137.7890 kHz 0.4 Hz FSK, using "DFCW" > >> coding, is the preferred transmission mode for ZM2E. There is very > >> little > >> QRM for ZM2E receive (no Loran lines of significance), so we can accept a > >> range of receive frequencies within the receiver IF bandwidth, and we > > could > >> have three receivers running. > >> > >> If we are not in QSO mode before a ZL sunrise, we will go to beacon mode > > and > >> send a string of Z Z Z Z .... at FSK120, with the start of any Z > >> synchronised to the hour and ten minute rests thereafter, so that EU > >> monitoring may receive something identifiable from EU sunset. > >> > >> 73, Bob ZL2CA > >> > >> > >> > > > > > > > > >