Return-Path: Received: from mtain-dc09.r1000.mx.aol.com (mtain-dc09.r1000.mx.aol.com [172.29.64.137]) by air-df01.mail.aol.com (v129.4) with ESMTP id MAILINDF013-5ee44c7bc8f1226; Mon, 30 Aug 2010 11:06:25 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dc09.r1000.mx.aol.com (Internet Inbound) with ESMTP id 8AABA38000104; Mon, 30 Aug 2010 11:06:23 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Oq5vI-0008M0-UB for rs_out_1@blacksheep.org; Mon, 30 Aug 2010 16:05:24 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Oq5vI-0008Lr-HK for rsgb_lf_group@blacksheep.org; Mon, 30 Aug 2010 16:05:24 +0100 Received: from out1.ip09ir2.opaltelecom.net ([62.24.128.245]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Oq5vH-0002tv-Tw for rsgb_lf_group@blacksheep.org; Mon, 30 Aug 2010 16:05:24 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AoIFAD5le0xOk8vv/2dsb2JhbACPSQOQeXG7e4U3BI0N X-IronPort-AV: E=Sophos;i="4.56,292,1280703600"; d="scan'208,217";a="447391036" Received: from unknown (HELO your91hoehfy9g) ([78.147.203.239]) by out1.ip09ir2.opaltelecom.net with SMTP; 30 Aug 2010 16:05:11 +0100 Message-ID: <002201cb4854$bfad75e0$0301a8c0@your91hoehfy9g> From: "mal hamilton" To: "rsgb" Date: Mon, 30 Aug 2010 16:05:13 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: VLF DREAM Content-Type: multipart/alternative; boundary="----=_NextPart_000_001F_01CB485D.213B1670" 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: 3039ac1d40894c7bc8ef3754 X-AOL-IP: 193.82.116.20 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_001F_01CB485D.213B1670 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable My observations MF. 500 Kcs similar to 1800 Kcs (top band) played out 137 Kcs has been going for some years and is also played out 9 Kcs and below opens new frontiers for radio amateurs with some effor= t required to radiate a signal that can be heard/seen by others severa= l hundred Kilometres away and beyond. A Dreamers delight, when you get the antenna resonant with a suitable= inductor it begins to Sing.=20 For test purposes and assume the antenna is an inv L it can be resonat= ed with a LOPT. Adjust the inductance of transformer in series with= antenna until resonance is achieved at the desired frequency. A signa= l generator and 'scope is probably the most convenient way to monitor= progress during the resonating procedure.=20 Listening for your VLF signals 73 de mal/g3kev ------=_NextPart_000_001F_01CB485D.213B1670 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
    My observations
MF.
500 Kcs similar to  1800 Kcs (to= p band) played=20 out
 
137 Kcs has been going for some years= and is also=20 played out
 
9 Kcs and below opens new frontiers= for radio=20 amateurs with some effort required to radiate a signal that can be hea= rd/seen by=20 others several hundred Kilometres away and beyond.
A Dreamers delight, when you get the= antenna=20 resonant with a suitable inductor it begins to Sing.
 
For test purposes and assume the ante= nna is an inv=20 L it can be resonated with a LOPT. Adjust the inductance  of= =20 transformer in series with antenna until resonance is achieved at the= desired=20 frequency. A signal generator and 'scope is probably the most convenie= nt way to=20 monitor progress during the resonating procedure.
 
Listening for your VLF signals=
 
73 de mal/g3kev
 
 
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