Return-Path: Received: from rly-mc12.mx.aol.com (rly-mc12.mail.aol.com [172.21.164.96]) by air-mc08.mail.aol.com (v126.13) with ESMTP id MAILINMC081-dae4b2b4d621e5; Fri, 18 Dec 2009 04:37:45 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-mc12.mx.aol.com (v125.7) with ESMTP id MAILRELAYINMC126-dae4b2b4d621e5; Fri, 18 Dec 2009 04:37:41 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NLZD3-0008FK-8h for rs_out_1@blacksheep.org; Fri, 18 Dec 2009 09:33:17 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NLZD2-0008FB-PI for rsgb_lf_group@blacksheep.org; Fri, 18 Dec 2009 09:33:16 +0000 Received: from fg-out-1718.google.com ([72.14.220.155]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NLZFk-0002GD-Lb for rsgb_lf_group@blacksheep.org; Fri, 18 Dec 2009 09:36:06 +0000 Received: by fg-out-1718.google.com with SMTP id 16so1423820fgg.10 for ; Fri, 18 Dec 2009 01:36:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=WMTMl8KL4WedijoVo9D9l10wVPCmzlkWkgCt/KSm3ko=; b=LUeNlZq6X/n1Nnk+2XwzKb6TMVix3EQIUgHPI/IPYxwvpknXJwkUJD+/6s222xCrjr 0iqpt/kYF0tObqre7MfR9ctFfe3aW8DquzLr43apJVyu4SbQECYzMjj+dmOGvTeha80U 5NtXFKEH8L3v007vkrscVCJ8oexoacpeUbjvU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=TexmY/o0SdPrwFwuPiZkGD4DI5M/qF9pFvWw2E+9u6gnbldoA/u3D6HA2nEbs16Uzq m1xKP6IIKsIRCmiy1fcmAI2PGqX5WAkh8qb7Wdb4d9n1xfPVzcZtrvaei/Hy/ZKuoKZi DrUnzDdtF5lzRxps3evxjpj7TwsnMdLZZ1EMk= MIME-Version: 1.0 Received: by 10.239.148.12 with SMTP id d12mr365248hbb.152.1261128993332; Fri, 18 Dec 2009 01:36:33 -0800 (PST) In-Reply-To: <000f01ca7fc2$c666f6a0$0301a8c0@your91hoehfy9g> References: <1542517694@web.de> <6F962616C1CC4C1B844AF099CB1BB55D@lindavideo> <000f01ca7fc2$c666f6a0$0301a8c0@your91hoehfy9g> Date: Fri, 18 Dec 2009 09:36:33 +0000 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org X-Karma: unknown: DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Re: Re: RE: Noise cancelling by using optic transmission of RX signals Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m253.2 ; domain : googlemail.com DKIM : pass X-Mailer: Unknown (No Version) Just yet-another case of a poor soul being taken over by the Health and Safety Police. Andy www.g4jnt.com This email has been scanned for damaging side-effects by the health and safety police, has been declared politically correct and contains no substances considered to be a hazard to health. It may, however, contribute to dissolving the polecaps. 2009/12/18 mal hamilton : > Radio Amateurs BEWARE - Appliance Operators DO NOT TOUCH > > G3KEV > > > ----- Original Message ----- > From: "Ken" > To: > Sent: Thursday, December 17, 2009 10:43 AM > Subject: LF: Re: RE: Noise cancelling by using optic transmission of RX > signals > > >> Optical fibres are fine for transmission and remove all the problems of >> interference and cross talk at a stroke, but please be careful and obse= rve >> optical safety precautions when using lasers and other light sources.= I >> worked on optical systems for many years during my time with BT, and > optical >> safety took priority over every thing else. All optical fibres need to > have >> a perfect cleave on the ends, and the connectors =A0be absolutely clean= , if >> you are not launching into an optical connector then alignment will be= a >> problem, similarly at the receive end. >> >>