Return-Path: Received: from mtain-ma10.r1000.mx.aol.com (mtain-ma10.r1000.mx.aol.com [172.29.96.18]) by air-ma10.mail.aol.com (v126.13) with ESMTP id MAILINMA104-b5474b2fb466b8; Mon, 21 Dec 2009 12:46:14 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-ma10.r1000.mx.aol.com (Internet Inbound) with ESMTP id E6887380000A3; Mon, 21 Dec 2009 12:46:13 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NMmEc-0002vz-Me for rs_out_1@blacksheep.org; Mon, 21 Dec 2009 17:39:54 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NMmEc-0002vq-9w for rsgb_lf_group@blacksheep.org; Mon, 21 Dec 2009 17:39:54 +0000 Received: from warsl404pip4.highway.telekom.at ([195.3.96.117] helo=email.aon.at) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NMmJm-0004dF-1p for rsgb_lf_group@blacksheep.org; Mon, 21 Dec 2009 17:45:16 +0000 Received: (qmail 13602 invoked from network); 21 Dec 2009 17:45:06 -0000 Received: from 91-115-179-178.adsl.highway.telekom.at (HELO [192.168.1.101]) ([91.115.179.178]) (envelope-sender ) by smarthub95.highway.telekom.at (qmail-ldap-1.03) with SMTP for ; 21 Dec 2009 17:45:06 -0000 From: Gerhard Hickl To: rsgb_lf_group@blacksheep.org In-Reply-To: <4B2F4A9E.18930.65980E@mike.dennison.ntlworld.com> References: <4B2E5DDD.19628.1BDFE41@mike.dennison.ntlworld.com> , <1261337394.5621.6.camel@gerhard-desktop> <4B2F4A9E.18930.65980E@mike.dennison.ntlworld.com> Date: Mon, 21 Dec 2009 18:45:06 +0100 Message-ID: <1261417506.1906.2.camel@gerhard-desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: test this afternoon Content-Type: text/plain; charset="UTF-8" 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 x-aol-global-disposition: G x-aol-sid: 3039ac1d60124b2fb4656841 X-AOL-IP: 193.82.116.20 Mike! Thanks for the schematic. I will try to build a similar thing with the parts I have in my junk box. Thanks you and Cheers OE3GHB Gerhard Am Montag, den 21.12.2009, 10:14 +0000 schrieb Mike Dennison: > The circuiit and notes are at: > http://homepage.ntlworld.com/mike.dennison/index/lf/timer.htm > Please note that this was a junk box project and will need to be > changed to suit the components you have available. > > Mike, G3XDV > ========== > > > I had exactly the same problem with overheating and burned wires a > > week ago. So for this reason I would be interested which kind of > > "watchdog" you installed. > > > > Could you please make the schematic public? > > > > I think many of us have concerns about safety when the TX is on while > > we are sleeping. > > > > 73 > > > > OE3GHB > > > > Gerhard > > > > > > > > Am Sonntag, den 20.12.2009, 17:24 +0000 schrieb Mike Dennison: > > > A successful test this afternoon has proved my new safety timer that > > > cuts off the transmitter if it has been sending continuously for > > > more than 7 minutes. This gives me more confidence to transmit > > > overnight (after a worrying overheating incident a couple of weeks > > > ago) and I will run some night-time beacons as soon as the weather > > > becomes more reliable - more snow forecast here tonight. > > > > > > MIke, G3XDV > > > ========== > > > > > > > > > > > > > >