Return-Path: Received: (qmail 1444 invoked from network); 10 Jun 2003 09:38:16 -0000 Received: from netmail01.services.quay.plus.net (212.159.14.219) by mailstore with SMTP; 10 Jun 2003 09:38:16 -0000 Received: (qmail 25952 invoked by uid 10001); 10 Jun 2003 09:38:15 -0000 Received: from post.thorcom.com (193.82.116.70) by netmail01.services.quay.plus.net with SMTP; 10 Jun 2003 09:38:15 -0000 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 4.14) id 19PfZN-0004cP-36 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 10 Jun 2003 10:37:33 +0100 Received: from [194.73.73.147] (helo=einsteinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 19PfZI-0004cC-HP for rsgb_lf_group@blacksheep.org; Tue, 10 Jun 2003 10:37:28 +0100 Received: from host213-122-212-7.in-addr.btopenworld.com ([213.122.212.7] helo=Main) by einsteinium.btinternet.com with smtp (Exim 3.22 #23) id 19PfZH-0004X2-00 for rsgb_lf_group@blacksheep.org; Tue, 10 Jun 2003 10:37:27 +0100 Message-ID: <000001c32f33$db7c4d60$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: <1cd.b5e81c1.2c16eaa1@aol.com> Date: Tue, 10 Jun 2003 09:43:21 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: 300W 136kHz TX Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, hits=-1.0 required=5.0tests=ORIGINAL_MESSAGE,REFERENCESversion=2.55 X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rsgb_lf_group-outgoing@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false Hi Dave, It is sad to hear that Bob has been unable to beat the "noises", I know what he has to contend with. Please pass on our thanks and good wishes, for all the work he has done over the last few years to put a consistent and distinctive hand-keyed morse signal out on the bands, particularly during the weekdays. Cheers de Alan G3NYK alan.melia@btinternet.com ----- Original Message ----- From: To: Sent: 10 June 2003 09:02 Subject: LF: 300W 136kHz TX I had a call from Bob G8RW today. Bob has one of my 300W class D transmitters which he ran as a 'beta test' prototype for me. Bob has gone QRT on LF due to the ever increasing switched mode power supply QRM and would like to find a new home for the TX. The transmitter is housed in an aluminium case apx 12 W x 6H x 10 D (inches). From memory, It has a fan, 12V PSU for the logic and had some extra protection voltage clamping diodes fitted across the FETs. - I can't remember if there is an internal 30V psu for the FETs or not.......Best check with Bob and adjust price accordingly. Frequency control is the on-board VCXO but there is an input on the PCB for a DDS etc at CMOS levels. Price can be haggled, but something around the cost of the TX kit (£79) seems fair as this means you'll save the effort of building it and the cost of the box, heat sink, fan and PSUs etc. - Bob's telephone number is 020 8462 1592 QTH is Bromley Kent. 73 David G0MRF