Envelope-to: dave@picks.force9.co.uk Delivery-date: Sun, 05 Feb 2006 13:25:11 +0000 Received: by ptb-mxcore01.plus.net with spam-scanned (PlusNet MXCore v2.00) id 1F5jt7-0000xv-Q3 for dave@picks.force9.co.uk; Sun, 05 Feb 2006 13:25:11 +0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (PlusNet MXCore v2.00) id 1F5jt7-0000pG-JA for dave@picks.force9.co.uk; Sun, 05 Feb 2006 13:25:09 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1F5jsc-0003O8-1q for rs_out_1@blacksheep.org; Sun, 05 Feb 2006 13:24:38 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1F5jsb-0003Nz-Le for rsgb_lf_group@blacksheep.org; Sun, 05 Feb 2006 13:24:37 +0000 Received: from olympus.pncl.co.uk ([195.224.180.233] helo=olive.pncl.co.uk) by relay1.thorcom.net with esmtp (Exim 4.51) id 1F5lDi-0000Mg-I5 for rsgb_lf_group@blacksheep.org; Sun, 05 Feb 2006 14:50:45 +0000 Received: from AUG2004 (81-6-246-23.dyn.gotadsl.co.uk [81.6.246.23]) (authenticated bits=0) by olive.pncl.co.uk (8.13.4/8.13.4) with ESMTP id k15DOtA9008923 for ; Sun, 5 Feb 2006 13:24:55 GMT Message-ID: <001301c62a57$561a18b0$2101a8c0@AUG2004> From: "Walter Blanchard" To: rsgb_lf_group@blacksheep.org References: <007001c62a34$97e808b0$2101a8c0@AUG2004> <007701c62a41$1414dbf0$8b1c0d54@traceydlqceh0p> <002601c62a42$3124c7e0$2101a8c0@AUG2004> <009201c62a43$98b56d00$8b1c0d54@traceydlqceh0p> Date: Sun, 5 Feb 2006 13:23:18 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2527 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 X-Pinnacle-MailScanner-Information: Please contact the ISP for more information X-Pinnacle-MailScanner: Found to be clean X-MailScanner-From: blanch@pncl.co.uk Subject: LF: {Spam?} Re: Active_antennas Content-Type: text/html; charset=windows-1252 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-PN-SpamFiltered: by PlusNet MXCore (v2.00) Content-transfer-encoding: 8bit
Higher the better but the added gain is a function of SQRT(height) so there's a practical limit.
Most gain in the first 20m.
Walter G3JKV.
 
----- Original Message -----
From: Tracey Gardner
To: rsgb_lf_group@blacksheep.org
Sent: Sunday, February 05, 2006 11:02 AM
Subject: LF: Active_antennas

 
Or any other battery rx for that matter if your binocs (and arms) are strong enough! The effect can be seen on MW b/c stations.Walter.
 
How high would you need/want to go?
An SPM-3 isn't too heavy.
 
Tracey

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