Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dk01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5DA9B38000099; Thu, 9 Feb 2012 16:51:53 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Rvbd7-0002AA-N4 for rs_out_1@blacksheep.org; Thu, 09 Feb 2012 21:34:13 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Rvbd7-0002A1-8H for rsgb_lf_group@blacksheep.org; Thu, 09 Feb 2012 21:34:13 +0000 Received: from smtpout3.wanadoo.co.uk ([80.12.242.59] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Rvbd5-0003Bk-Tx for rsgb_lf_group@blacksheep.org; Thu, 09 Feb 2012 21:34:13 +0000 Received: from AGB ([2.26.9.45]) by mwinf5d38 with ME id Xxa61i0060yJ0tN03xa6BH; Thu, 09 Feb 2012 22:34:06 +0100 Message-ID: <6D99754E6FCA411DB4C678EC6ACFB9B1@AGB> From: "Graham" To: References: <4F341AE5.1050704@talktalk.net> <4F342525.1050200@talktalk.net> <4F34313C.1080005@talktalk.net> <1659D80990BC4B5482FF78B6249AACAF@JimPC> In-Reply-To: <1659D80990BC4B5482FF78B6249AACAF@JimPC> Date: Thu, 9 Feb 2012 21:34:06 -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 120209-3, 09/02/2012), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.2 (/) X-Spam-Report: autolearn=disabled,RCVD_ILLEGAL_IP=0.234 Subject: Re: LF: Cats among pigeons Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=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: 0:2:489912736:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1db4054f343ff96cbd X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Jim There is 3 dB gain in each X2 time step , I think without using path simulator or similar these are a little subjective .. the reading is the average over the tx time. G. -------------------------------------------------- From: "James Moritz" Sent: Thursday, February 09, 2012 9:11 PM To: Subject: Re: LF: Cats among pigeons > Dear Eddie, LF Group, > > So what you are saying is that the actual SNR at the decode/no decode > threshold is the same for Op8 and Op4, but that the SNR indicated by Op8 > at this level is 3dB lower than that indicated by Op4? > > Cheers, Jim Moritz > 73 de M0BMU >