Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dk06.r1000.mx.aol.com (Internet Inbound) with ESMTP id D05403800008E; Sat, 3 Mar 2012 20:02:43 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1S3zpY-00031T-KX for rs_out_1@blacksheep.org; Sun, 04 Mar 2012 01:01:44 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1S3zpX-00031K-Ru for rsgb_lf_group@blacksheep.org; Sun, 04 Mar 2012 01:01:43 +0000 Received: from smtpout5.wanadoo.co.uk ([80.12.242.80] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1S3zpV-0007x4-Fn for rsgb_lf_group@blacksheep.org; Sun, 04 Mar 2012 01:01:43 +0000 Received: from AGB ([2.26.29.167]) by mwinf5d69 with ME id hD1b1i0053cL6BE03D1bUS; Sun, 04 Mar 2012 02:01:35 +0100 Message-ID: <12959492286D45E9BB24E80CE57644CD@AGB> From: "Graham" To: Date: Sun, 4 Mar 2012 01:01:34 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Antivirus: avast! (VPS 120303-1, 03/03/2012), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.2 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RCVD_ILLEGAL_IP=0.234 Subject: LF: Permissible QSY limits for 136 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0234_01CCF9A2.585DC420" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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: 0:2:382178464:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1db40a4f52bf331fef 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_0234_01CCF9A2.585DC420 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Permissible QSY limits for 136=20 Q what is the average Q of a 136 Khz Ae system ? (back garden = + larger) Q What would the maximum acceptable change in frequency +/- Fo = before swr considerations became a problem , say 10% reflected = power 1 :2 swr ? .... That's a simple change of frequency from an established = resonance and not tracked by auto tuner etc=20 Tnx -G G0NBD. ------=_NextPart_000_0234_01CCF9A2.585DC420 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Permissible QSY limits for 136

Q what is the average Q of =20 a 136 Khz Ae system ? (back garden + = larger)

Q What would the maximum acceptable = change in=20 frequency +/- Fo before swr =20 considerations became a problem , say 10% =20 reflected power 1 :2 swr ? ....

That's a simple change of =20 frequency from an established resonance and = not =20 tracked by auto tuner etc

Tnx -G

G0NBD.

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