X-GM-THRID: 1210939715612734101 X-Gmail-Labels: rsgb lf X-Gmail-Received: 9d2d0bf6310836c2ca2fd989209490854ad6dba2 Delivered-To: daveyxm@gmail.com Received: by 10.64.249.16 with SMTP id w16cs178368qbh; Sat, 5 Aug 2006 22:28:25 -0700 (PDT) Received: by 10.49.41.18 with SMTP id t18mr7177511nfj; Sat, 05 Aug 2006 22:28:25 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.gmail.com with ESMTP id i1si4420671nfe.2006.08.05.22.28.24; Sat, 05 Aug 2006 22:28:25 -0700 (PDT) Received-SPF: neutral (gmail.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1G9b9o-0006WX-6C for rs_out_1@blacksheep.org; Sun, 06 Aug 2006 06:26:36 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1G9b9n-0006WO-QN for rsgb_lf_group@blacksheep.org; Sun, 06 Aug 2006 06:26:35 +0100 Received: from yk-mlwprd2.northwestel.ca ([198.235.201.13] helo=mail2.theedge.ca) by relay1.thorcom.net with esmtp (Exim 4.62) (envelope-from ) id 1G9b9k-00063k-Lj for rsgb_lf_group@blacksheep.org; Sun, 06 Aug 2006 06:26:35 +0100 Received: from eagles (whthyt235-40.northwestel.net [207.189.235.40]) by mail2.theedge.ca (Spam Firewall) with SMTP id 617246E7B9 for ; Sat, 5 Aug 2006 23:32:23 -0600 (MDT) Message-ID: <006f01c6b918$cca1d770$6501a8c0@eagles> From: "J. Allen" To: References: <004a01c6b912$5146c460$6501a8c0@eagles> <44D57AAB.7070808@telus.net> Date: Sun, 6 Aug 2006 05:25:58 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 X-Virus-Scanned: by Barracuda Spam Firewall at theedge.ca X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,AWL=-0.026,FORGED_RCVD_HELO=0.05 Subject: LF: Fried 640's Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response 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=1.1 required=5.0 tests=MAILTO_TO_SPAM_ADDR 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: 4682 Scott, Sorry, I have been running the single 640 amp of Steve's for a number of weeks now at about 130 Watts input or about 100 W output. It has worked in rain, wind and sun and keeps on going. Because of its success, I thought that two 640s would just mean double the power. I did not realize that push-pull would mean less than a factor of 2. J. ----- Original Message ----- From: "Scott Tilley" To: Sent: Sunday, 2006/08/06 05:14 AM Subject: Re: LF: VY1JA Beacon > J. > > Those IRF640 won't handle 200W. The slightest discontinuity and they'll > go... > > Scott > > > J. Allen wrote: >> Laurence, and Friends, >> >> VY1JA beacon is on ~137778.4 QRSS60 ~100 W tonight. >> >> Steve is very likely correct, and I do not expect that you will even get >> a peep from here, but I appreciate that you are thinking about this >> beacon. >> >> The power level should go up to somewhat over 200 Watts by Wednesday >> evening, but that is likely still 3dB below 1W ierp. As soon as that amp >> gets going, the antenna current meter's number works it way to the top of >> the pile. The meter will be needed to calculate the size of the final >> amp. >> >> Continued thanks to everyone who has been sending summer captures and/or >> beacon signal reports. >> >> J. >> >> >> >> >> > >