Return-Path: Received: from mtain-mc03.r1000.mx.aol.com (mtain-mc03.r1000.mx.aol.com [172.29.96.75]) by air-di03.mail.aol.com (v127_r1.1) with ESMTP id MAILINDI032-eabf4b93d1eb2b2; Sun, 07 Mar 2010 11:18:51 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mc03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 117D8380000C5; Sun, 7 Mar 2010 11:18:49 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NoJAt-0005j5-Jk for rs_out_1@blacksheep.org; Sun, 07 Mar 2010 16:17:51 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NoJAt-0005iw-8D for rsgb_lf_group@blacksheep.org; Sun, 07 Mar 2010 16:17:51 +0000 Received: from mailout-us.gmx.com ([74.208.5.67]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1NoJAq-0004ad-Gd for rsgb_lf_group@blacksheep.org; Sun, 07 Mar 2010 16:17:51 +0000 Received: (qmail invoked by alias); 07 Mar 2010 16:17:40 -0000 Received: from 75-168-150-7.mpls.qwest.net (EHLO [192.168.1.100]) [75.168.150.7] by mail.gmx.com (mp-us002) with SMTP; 07 Mar 2010 11:17:40 -0500 X-Authenticated: #60769621 X-Provags-ID: V01U2FsdGVkX1+PhYUK09CPAV2epqbqVJeoYdgvs0tS1MyH4GrsXJ YQhKLE5xx2wcQ5 Message-ID: <4B93D1A1.3010006@gmx.com> Date: Sun, 07 Mar 2010 10:17:37 -0600 From: "Mike.WE0H" User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: In-Reply-To: X-Y-GMX-Trusted: 0 X-FuHaFi: 0.67000000000000004 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: 8.97 kHz Grabber online Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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: 3039ac1d604b4b93d1e90d1c X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) What is that big signal at 9.00kc? Mike WE0H Markus V wrote: > Dear LF, > > many thanks to the group, for the nice and positive feedback regarding > the recent 9 kHz experiments! > > I have now lashed up a temporary VLF grabber, featuring 15 mHz FFT > resolution around 8970 Hz: > http://www.mydarc.de/df6nm/vlf/vlfgrabber.htm > Sensitivity still leaves a bit to be desired, with a number of local > noise sources around. I won't be able to leave it on permanently due to > limited computing resources, and I will have to disconnect it during LF > transmit activity. > > Best regards > Markus