Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-da02.r1000.mx.aol.com (Internet Inbound) with ESMTP id A6C9A38000092; Thu, 2 Feb 2012 16:56:17 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Rt4Nd-0002mD-3T for rs_out_1@blacksheep.org; Thu, 02 Feb 2012 21:39:45 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Rt4Nc-0002m4-MD for rsgb_lf_group@blacksheep.org; Thu, 02 Feb 2012 21:39:44 +0000 Received: from nm4.bt.bullet.mail.ukl.yahoo.com ([217.146.183.202]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1Rt4Nb-00084G-1T for rsgb_lf_group@blacksheep.org; Thu, 02 Feb 2012 21:39:44 +0000 Received: from [217.146.183.196] by nm4.bt.bullet.mail.ukl.yahoo.com with NNFMP; 02 Feb 2012 21:39:37 -0000 Received: from [217.146.183.203] by tm2.bt.bullet.mail.ukl.yahoo.com with NNFMP; 02 Feb 2012 21:39:37 -0000 Received: from [127.0.0.1] by omp1001.bt.mail.ukl.yahoo.com with NNFMP; 02 Feb 2012 21:39:37 -0000 X-Yahoo-Newman-Id: 27279.87131.bm@omp1001.bt.mail.ukl.yahoo.com Received: (qmail 78346 invoked from network); 2 Feb 2012 21:39:36 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btopenworld.com; h=DKIM-Signature:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:Received:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=mTPyVtK9gfQmGDXrg/XjveFGjkdkeCqUHki1zzrweegad4tOL029gS7KhrfZpmfKNs76klUhQNs7cEljBC7NCsXIc1CiBOKVHd3beqnJDnQSMj9ezzjXm8IZTbZNvRRYwmAx/EkizFCUvTi2R10uGVMVj4f6GhI6BJNc7v8nuLA= ; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btopenworld.com; s=s1024; t=1328218776; bh=FhK92J4hX6S4/ycuxIyEUYI7yh2VFafdZKmOe3ODYCg=; h=X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:Received:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=tw1EO5FU4BIVZeXaH+sXLbeT8VfK8yYn6ciPBd6INI9OofcGgdJFuhAq3FH6M5xKUlpz6FupXyFfzGxUNq6WWgawjnty+hydzrgGnwJAiYoQw+rnGUp9NmKD7BXTvRDtfFTEM1EWo/a0t3EzsHCurqLbXUyrgHDl4AfrjAPSiCs= X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: P.gefIkVM1lvWoa24QK3cWN0UaMgLAtHW17Yey0lyQx1der 7AsfhFWqCaq4rj8.7oXlWuDnsl4xz4ON4fUdtvucpg5c.V0QBY3ACT_9AE8l E7u5crjMRqmN636gVCj7PVP.l38HfXp1qE1YvMTep7sHh0AqNotUaxogWc8G nJ_MJD0ECkqqfTBKlkUAobEbzMUTu3u5O8foxVP_6N._JFnaerlZDKpXuhQj A4jgmMPXQH3__o4mYXkhWkAxGsFeRHhLjQQSiutDIOWxNridOpu0zemeT0Tx oCUvj70CpypUNarlZSWKA31_REC4aJtNM8JzAGpmBLYWC6dVuwp1NbFRKso3 VvMFvwCqmsDxFr0XL3WafphHngQKuvy2LfDEj48VwiTwfEjD8gY_i9p6qRd0 WOi2IuBwjDQdI2ocGYgNpVXiBplsAVQ-- X-Yahoo-SMTP: Cxhli3eswBD1ozmtAojhjrja86kWx0Qm9tycD5QR1DKWrOLgjJcXkw-- Received: from JimPC (james.moritz@86.161.95.2 with login) by smtp825.mail.ird.yahoo.com with SMTP; 02 Feb 2012 13:39:36 -0800 PST Message-ID: From: "James Moritz" To: References: <372EEAF266214ECDB1E430B737F510BA@GaryPC> In-Reply-To: Date: Thu, 2 Feb 2012 21:39:45 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,UNPARSEABLE_RELAY=0.001 Subject: Re: LF: RE: Opera weak signal Rx Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original 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: 0:2:451754816:93952408 X-AOL-SCOLL-URL_COUNT: 0 X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d235.1 ; domain : btopenworld.com DKIM : pass x-aol-sid: 3039ac1d404a4f2b06816e90 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Dear Gary, Andy, LF Group, >Isn't -41dB about right for OP32? >8.192 seconds per symbol, = 0.122Hz, >= 43dB down on 2500Hz. It would also be consistent with the reports showing Op4 decoding consistently at -32dB SNR or a few dB less. Going to Op32 should reduce the bandwidth by a factor of 8, so 9dB below the level of Op4 should be OK. Cheers, Jim Moritz 73 de M0BMU