Return-Path: Received: from mtain-dc05.r1000.mx.aol.com (mtain-dc05.r1000.mx.aol.com [172.29.64.133]) by air-ma07.mail.aol.com (v129.4) with ESMTP id MAILINMA074-b52f4d78ab8b1f6; Thu, 10 Mar 2011 05:44:27 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dc05.r1000.mx.aol.com (Internet Inbound) with ESMTP id E7869380002B1; Thu, 10 Mar 2011 05:44:25 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PxdL7-0000gy-TD for rs_out_1@blacksheep.org; Thu, 10 Mar 2011 10:43:29 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PxdL7-0000gp-Dd for rsgb_lf_group@blacksheep.org; Thu, 10 Mar 2011 10:43:29 +0000 Received: from filter02.i-online.fr ([195.200.78.9]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PxdL6-0006ce-ID for rsgb_lf_group@blacksheep.org; Thu, 10 Mar 2011 10:43:29 +0000 Received: from smtp.qtxt.dns-iol.com ([195.200.78.13]) by filter02.i-online.fr (IceWarp 10.0.7 (2010-02-10)) with ESMTP (SSL) id TNB89909 for ; Thu, 10 Mar 2011 11:43:09 +0100 Received: (qmail 14669 invoked by uid 507); 10 Mar 2011 11:43:18 +0100 Received: from unknown (HELO ?192.168.1.102?) (john.rabson@numeo.fr@217.67.155.178) by smtp.qtxt.dns-iol.com with SMTP; 10 Mar 2011 11:43:18 +0100 From: John Rabson Mime-Version: 1.0 (Apple Message framework v1082) Date: Thu, 10 Mar 2011 11:43:20 +0100 In-Reply-To: <4D78A2A9.4080001@iup.uni-heidelberg.de> To: rsgb_lf_group@blacksheep.org References: <003201cbde72$606d6090$0401a8c0@xphd97xgq27nyf> <543492.45357.qm@web28102.mail.ukl.yahoo.com> <4D78A2A9.4080001@iup.uni-heidelberg.de> Message-Id: <6B8423CC-E2B6-408E-B6F7-359BE7F724CE@numeo.fr> X-Mailer: Apple Mail (2.1082) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Content-Type: multipart/alternative; boundary=Apple-Mail-1--675946633 Subject: Re: LF: Re: VLF Stability and soundcard locking X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,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: 3039ac1d40854d78ab895eb5 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none --Apple-Mail-1--675946633 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 10 Mar 2011, at 11:06CET, Stefan Sch=E4fer wrote: > While it is trivial to do a QSO on 20m in 10000km distance it is somethi= ng special to reach 10km on VLF or on Laser-TX or 47 GHz and above. > A VLF x band QSO in CW would have been done if there would be stations= in that radius of 40, maybe 60 km who would be willing and equipped to re= ceive my signal... >=20 > 73, Stefan/DK7FC >=20 10km would be very special below ground on any band. John F5VLF --Apple-Mail-1--675946633 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1
On 10 Mar= 2011, at 11:06CET, Stefan Sch=E4fer wrote:

While it is trivial to do a QSO on 20m in 10000km distance it is something special to reach 10km on VLF or on Laser-TX or 47 GHz and above.
A VLF x band QSO in CW would have been done if there would be stations in that radius of 40, maybe 60 km who would be willing and equipped to receive my signal...

73, Stefan/DK7FC

10km would be very special below ground on any= band.

John F5VLF

=3D --Apple-Mail-1--675946633--