Return-Path: Received: from mtain-de01.r1000.mx.aol.com (mtain-de01.r1000.mx.aol.com [172.29.64.201]) by air-mf05.mail.aol.com (v129.4) with ESMTP id MAILINMF052-8bea4bdc2cfe287; Sat, 01 May 2010 09:30:38 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-de01.r1000.mx.aol.com (Internet Inbound) with ESMTP id CC07838000081; Sat, 1 May 2010 09:30:36 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O8Ckq-0000lM-PB for rs_out_1@blacksheep.org; Sat, 01 May 2010 14:29:12 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O8Ckq-0000lD-BB for rsgb_lf_group@blacksheep.org; Sat, 01 May 2010 14:29:12 +0100 Received: from smtp5.freeserve.com ([193.252.22.151] helo=smtp6.freeserve.com) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O8Cko-0002QI-Ix for rsgb_lf_group@blacksheep.org; Sat, 01 May 2010 14:29:12 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3538.me.freeserve.com (SMTP Server) with ESMTP id D10381C0008A for ; Sat, 1 May 2010 15:29:03 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3538.me.freeserve.com (SMTP Server) with ESMTP id C0B881C00063 for ; Sat, 1 May 2010 15:29:03 +0200 (CEST) Received: from AGB (unknown [91.110.65.110]) by mwinf3538.me.freeserve.com (SMTP Server) with SMTP id 60A921C0008A for ; Sat, 1 May 2010 15:29:03 +0200 (CEST) X-ME-UUID: 20100501132903396.60A921C0008A@mwinf3538.me.freeserve.com Message-ID: From: "Graham" To: Date: Sat, 1 May 2010 14:29:02 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MIMEOLE: Produced By Microsoft MimeOLE V14.0.8089.726 X-Antivirus: avast! (VPS 100430-1, 30/04/2010), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: FIRST QSO ON 500KHz USING ROS 30 April Content-Type: multipart/alternative; boundary="----=_NextPart_000_0065_01CAE93A.A582D3F0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_60_70,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-sid: 3039ac1d40c94bdc2cfc1e43 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0065_01CAE93A.A582D3F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable FIRST QSO ON 500KHz USING ROS 30 April=20 =20 First qso on 500 KHz using ros , G0NBD and G4WGT , initially using= 500/16 and then eme , reducing tx power , the level that the eme= mode started to fail was in technical terms 'just silly' reducing th= e tx to 3 watts carrier power then via a 20 dB attenuator down= to 30 mW to a 35 ft top loaded Ae that needs round 50/75 watts= to produce 100 mW erp , ie approx 500 : 1 reduction .... recepti= on 30 miles away by a similar Ae , then produced 100 % copy , dep= ending on local noise level .=20 =20 Later in the evening , M0BMU called G0NBD at 500/8 , a range of 20= 0 miles , then follower at 100% qso over some 30 mins ending = round 0010 local time , one final tx at 500/16 was also 100% deco= de , even in deep QSO , to the point of no audio from the speaker= , the mode remained in lock and kept printing , each station runnin= g 100 watts.=20 =20 Outstanding mode Jose ! =20 73 - G ..=20 ------=_NextPart_000_0065_01CAE93A.A582D3F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

= FIRST QSO ON=20 500KHz USING   ROS  = 30 April

 

= First qso  on 500  KHz using ros ,=20 G0NBD and = G4WGT , initially=20 using  500/16 and then= eme ,=20 reducing tx power , the level = that=20 the  eme mode started to= fail was in=20 technical terms =91just silly=92&nbs= p;=20 reducing the  tx= to  3 =20 watts  carrier  power then  via a 20 dB attenuator  down to  30 = =20 mW to  a 35 ft to= p loaded Ae=20 that  needs round  50/75  watts  to =20 produce 100 mW  e= rp , ie=20 approx 500 : 1  reductio= n  =85=85.. reception= 30  miles away  by a  similar Ae , then  produced 100 % copy  , depending on local noise level =85=20

 

= Later in=20 the  evening , M0BMU cal= led=20 G0NBD  at  500/8  , a range of 200  miles , then follower at  100% qso  over  some  3= 0 =20 mins  ending  round  0010 local  time , one final tx  at 500/16 was also  100% decode , even in deep  QSO , to&= nbsp; the  poin= t of no audio  from th= e  speaker,  the =20 mode remained in lock and kept printing , each station  running  100&= nbsp; watts.

 

= Outstanding  mode Jose= !

 

= 73 =96 G ..=20



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