Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mp02.r1000.mx.aol.com (Internet Inbound) with ESMTP id D45903800008D; Tue, 3 Jan 2012 17:16:57 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RiCeR-0006Gr-44 for rs_out_1@blacksheep.org; Tue, 03 Jan 2012 22:16:11 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RiCeQ-0006Gi-NS for rsgb_lf_group@blacksheep.org; Tue, 03 Jan 2012 22:16:10 +0000 Received: from mailout-de.gmx.net ([213.165.64.23]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1RiCeO-0005e9-Gx for rsgb_lf_group@blacksheep.org; Tue, 03 Jan 2012 22:16:10 +0000 Received: (qmail invoked by alias); 03 Jan 2012 22:16:02 -0000 Received: from p4FD0A220.dip.t-dialin.net (EHLO Clemens04) [79.208.162.32] by mail.gmx.net (mp055) with SMTP; 03 Jan 2012 23:16:02 +0100 X-Authenticated: #17214767 X-Provags-ID: V01U2FsdGVkX1+3v35T6U23q/UoJYmDdiEFcq2PV+0k2iGLyN3lkq yhRpJfu5xH+HV5 Message-ID: <00fc01ccca65$47277e60$1502a8c0@Clemens04> From: "Clemens Paul" To: References: <008301ccc97c$51d9fcf0$0401a8c0@xphd97xgq27nyf>, ,<003501ccca06$6bdef490$0401a8c0@xphd97xgq27nyf> <4F02F9EA.1090101@iup.uni-heidelberg.de> <004601ccca20$8aa7d1c0$0401a8c0@xphd97xgq27nyf> Date: Tue, 3 Jan 2012 23:15:59 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3664 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3664 X-Y-GMX-Trusted: 0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Antennas Content-Type: multipart/alternative; boundary="----=_NextPart_000_00F8_01CCCA6D.A7788040" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_50_60,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-SCOLL-SCORE: 0:2:450954176:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1dc1464f037e591ab7 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_00F8_01CCCA6D.A7788040 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Mal, >Why do commercial receiving stations use large antenna farms out in the countryside ?? The reason is to get as much *directivity* gain as possible. BTW british military vessels since decades used to use tuned loops with a preamp for VFL/LW/MW operation. And they operated also in CW in those days... 73 Clemens DL4RAJ ----- Original Message ----- From: mal hamilton To: rsgb_lf_group@blacksheep.org Sent: Tuesday, January 03, 2012 3:03 PM Subject: Re: LF: Antennas 4120 - Ausgabedatum: 03.01.2012 ------=_NextPart_000_00F8_01CCCA6D.A7788040 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Mal,
 
>Why do commercial receiving stations use = large antenna=20 farms out in the countryside ??
 
The reason is to get as much *directivity* gain = as=20 possible.
BTW british military vessels since decades = used=20 to use tuned loops with a preamp
for VFL/LW/MW operation.
And they operated also in CW in those = days...
 
73
Clemens
DL4RAJ
----- Original Message -----
From:=20 mal=20 hamilton
Sent: Tuesday, January 03, 2012 = 3:03=20 PM
Subject: Re: LF: Antennas

4120 - Ausgabedatum: 03.01.2012
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