Return-Path: Received: from mtain-dh12.r1000.mx.aol.com (mtain-dh12.r1000.mx.aol.com [172.29.65.32]) by air-md06.mail.aol.com (v129.4) with ESMTP id MAILINMD062-8b894c010935c6; Sat, 29 May 2010 08:31:49 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dh12.r1000.mx.aol.com (Internet Inbound) with ESMTP id D5361380000B7; Sat, 29 May 2010 08:31:47 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OILBn-0001OK-U7 for rs_out_1@blacksheep.org; Sat, 29 May 2010 13:30:55 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OILBn-0001OB-IN for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 13:30:55 +0100 Received: from out1.ip07ir2.opaltelecom.net ([62.24.128.243]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OILBk-0007oz-Uc for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 13:30:55 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AisFAKalAExcEYS4/2dsb2JhbACPEwOPInG9d4UVBA X-IronPort-AV: E=Sophos;i="4.53,322,1272841200"; d="scan'208,217";a="449363179" Received: from unknown (HELO xphd97xgq27nyf) ([92.17.132.184]) by out1.ip07ir2.opaltelecom.net with SMTP; 29 May 2010 13:30:46 +0100 Message-ID: <001301caff2a$bc3cf020$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: "rsgb" Date: Sat, 29 May 2010 13:30:34 +0100 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,HTML_MESSAGE=0.001 Subject: LF: LF RX Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01CAFF33.1DD67790" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE 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: 3039ac1d41204c0109334793 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0010_01CAFF33.1DD67790 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I just checked my Datong upconverter on 9 khz and although the spec li= mit is 90 khz it is fairly good on sensitivity down to at least 8 khz. Using my 136 khz antenna array and not resonant on 9 khz. This compare= s well with my pegelmesser around 9 khz.=20 At present there is some static but no other unwanted noises in fact= low LF is vy quiet around here and well suited for listening for LF= signals. mal/g3kev ------=_NextPart_000_0010_01CAFF33.1DD67790 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I just checked my Datong upconverter= on 9 khz and=20 although the spec limit is 90 khz it is fairly good on sensitivity dow= n to at=20 least 8 khz.
Using my 136 khz antenna array and no= t resonant on=20 9 khz. This compares well with my pegelmesser around 9 khz.
At present there is some static but= no other=20 unwanted noises in fact low LF is vy quiet around here and well suited= for=20 listening for LF signals.
mal/g3kev
 
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