X-GM-THRID: 1203532047649718537 X-Gmail-Labels: rsgb lf X-Gmail-Received: a2e8839fe7359dc627a92a21e8e8e2f11905ac42 Delivered-To: daveyxm@gmail.com Received: by 10.54.72.5 with SMTP id u5cs30394wra; Tue, 16 May 2006 04:06:43 -0700 (PDT) Received: by 10.48.242.16 with SMTP id p16mr3213917nfh; Tue, 16 May 2006 04:06:42 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.gmail.com with ESMTP id d2si777469nfe.2006.05.16.04.06.41; Tue, 16 May 2006 04:06:42 -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 1FfxLu-0000cL-61 for rs_out_1@blacksheep.org; Tue, 16 May 2006 12:04:34 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1FfxLt-0000cC-Qb for rsgb_lf_group@blacksheep.org; Tue, 16 May 2006 12:04:33 +0100 Received: from olympus.pncl.co.uk ([195.224.180.233] helo=olive.pncl.co.uk) by relay1.thorcom.net with esmtp (Exim 4.51) id 1FfzIN-0002qS-9y for rsgb_lf_group@blacksheep.org; Tue, 16 May 2006 14:09:21 +0100 Received: from AUG2004 (cpc3-leat1-0-0-cust70.hers.cable.ntl.com [86.3.124.71]) (authenticated bits=0) by olive.pncl.co.uk (8.13.4/8.13.4) with ESMTP id k4GB4D4h031731 for ; Tue, 16 May 2006 12:04:17 +0100 Message-ID: <003101c678d8$5e486670$0200a8c0@AUG2004> From: "Walter Blanchard" To: References: <44624B53.8020406@freenet.de> <00ba01c678d4$0aee5830$0101a8c0@BUERO> <002a01c678d6$59056ca0$67b0fea9@lark> Date: Tue, 16 May 2006 12:03:18 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2670 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2670 X-Pinnacle-MailScanner-Information: Please contact the ISP for more information X-Pinnacle-MailScanner: Found to be clean X-Pinnacle-MailScanner-SpamScore: sss X-MailScanner-From: blanch@pncl.co.uk X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: Re: Re: DATONG VLF converter Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original 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: 5369 I've got one as well and anything over a 2m rod drives it into intermod. If you want it for 136 you'll need a fairly decent bandpass filter in front, the narrower the better. Walter G3JKV. ----- Original Message ----- From: "Alan Melia" To: Sent: Tuesday, May 16, 2006 11:48 AM Subject: LF: Re: DATONG VLF converter > Hi Jo > The Datong converter I had had a PP3 9volt battery installed. It was > originally intended for listening to BC stations on an amateur rig at > 28MHz. > I think it is notionally 10kHz to 500kHz ...there is a LP filter in the > antenna. There is a circuit diagram on one of my web pages....the direct > URL > is > http://www.btinternet.com/~alan.melia/loscprob.htm#Datong%20VLF%20Converter > > It does not like to work from a big antenna and may need some attenuation > to > avoid IMD products. > > Cheers de Alan G3NYK > > ----- Original Message ----- > From: Johannes Wilke > To: RSGB LF Group > Sent: 16 May 2006 11:32 > Subject: LF: DATONG VLF converter > > >> Greetings all, >> >> I've found an old DATONG VLF converter without manual. Does somebody know >> the supply voltage and frequency range? >> >> 73 Jo, DK2PH >> >> >