Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mh05.r1000.mx.aol.com (Internet Inbound) with ESMTP id BBCF93800008E; Sat, 26 Nov 2011 11:30:31 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RUL8U-0005My-AF for rs_out_1@blacksheep.org; Sat, 26 Nov 2011 16:29:54 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RUL8T-0005Mp-UU for rsgb_lf_group@blacksheep.org; Sat, 26 Nov 2011 16:29:53 +0000 Received: from out1.ip01ir2.opaltelecom.net ([62.24.128.237]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1RUL8R-0002o4-JG for rsgb_lf_group@blacksheep.org; Sat, 26 Nov 2011 16:29:53 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqsAAG0T0U5cF/ci/2dsb2JhbAA8CIk+kRKQL4EGgW0FAQEEAQgBAQMlASMCJgYBAQMFAgEDEQQBAQolFAEEGgYWCAYTCgECAgEBh3QCtUqHMRyDFQSMZCcBmUk X-IronPort-AV: E=Sophos;i="4.69,576,1315177200"; d="scan'208";a="372927421" Received: from host-92-23-247-34.as13285.net (HELO xphd97xgq27nyf) ([92.23.247.34]) by out1.ip01ir2.opaltelecom.net with SMTP; 26 Nov 2011 16:29:45 +0000 Message-ID: <002901ccac58$9a33b040$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: ,<66E491BAB91C48AF81191F4022525A14@DennisPC> <6FE757960E6C447781689D4F19A315AE@DennisPC> <4EC2C6EB.2080201@iup.uni-heidelberg.de> <4EC2DB14.9000807@talktalk.net>,<4ECFD8B6.2050601@iup.uni-heidelberg.de> <4ED0E0EC.9020404@iup.uni-heidelberg.de> <4ED0FE66.2070706@iup.uni-heidelberg.de> Date: Sat, 26 Nov 2011 16:29:42 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: VLF: 8970 Hz transmissions, soon again here Content-Type: text/plain; charset="ISO-8859-2" Content-Transfer-Encoding: 8bit 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-SCOLL-SCORE: 0:2:488166720:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d60d94ed114275e9b X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Stefan No signal so far at my QTH GL de mal/g3kev ----- Original Message ----- From: "Stefan Schäfer" To: Cc: "Paul" Sent: Saturday, November 26, 2011 2:57 PM Subject: Re: VLF: 8970 Hz transmissions, soon again here > VLF, > > I'm now running 350W into the system and get about 0.8 A antenna > current. Strong audible partial discharges occurr on a parallel fixed > plate capacitor, spaced by 3 cola bottles (0.33l ;-) ). At 550 mH i have > 25 kV rms on the antenna and coil which seems to be no problem at all. > > The frequency is still a bit unstable since i took the DDS VFO which is > more comfortable to find the resonance. I will now try to slightly QRO > and then apply a fiber optic cable carrying the GPS locked frequency > coming from the PC/SpecLab, hopefully without to many phase glitches. > Currently i may have an offset of some 20...30 mHz and a slight drift > but it is a first successfully test :-) > > 73, Stefan/DK7FC > >