Return-Path: Received: (qmail 3775 invoked from network); 22 May 2000 08:05:42 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by grants.core.plus.net.uk with SMTP; 22 May 2000 08:05:42 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 12tn6i-0000pS-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 22 May 2000 08:58:36 +0100 Received: from cyb01.axime.com ([160.92.120.38] helo=cybv01.axime.com) by post.thorcom.com with esmtp (Exim 3.02 #1) id 12tn6f-0000pJ-00 for rsgb_lf_group@blacksheep.org; Mon, 22 May 2000 08:58:33 +0100 Received: from MARC ([213.36.34.40]) by cybv01.axime.com (Netscape Messaging Server 4.1) with SMTP id FUYBG800.J21 for ; Mon, 22 May 2000 09:57:44 +0200 Message-ID: <005301bfc3c3$69cdd780$0600a8c0@MARC> From: "mv tsi" To: rsgb_lf_group@blacksheep.org Subject: LF: Antenna calculation Date: Mon, 22 May 2000 09:57:39 +0200 MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="------------050609080003050600070208" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: This is a multi-part message in MIME format. --------------050609080003050600070208 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: 8bit
Hi Group,
I am interesting to calculate my antenna "efficiency".
But How?
You can see the GIF file.
For information I have water at 6 meters down.
I'll used a variometer but how to attack it?
directly under the TX  or making some turns arround the vario?
Is the second possibility interesting for 50 ohm feeder?
Thanks for you assistance.
Marc F5MAF
PS I hadn't seen anything on 71 KHz band Yesterday.
 
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