Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mh01.r1000.mx.aol.com (Internet Inbound) with ESMTP id C41473800009B; Wed, 27 Jul 2011 20:06:29 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QmE5x-00053E-LR for rs_out_1@blacksheep.org; Thu, 28 Jul 2011 01:04:57 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QmE5x-000535-4u for rsgb_lf_group@blacksheep.org; Thu, 28 Jul 2011 01:04:57 +0100 Received: from mail16.primus.ca ([216.254.141.183] helo=mail-07.primus.ca) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1QmE5v-0005RD-JM for rsgb_lf_group@blacksheep.org; Thu, 28 Jul 2011 01:04:57 +0100 Received: from [98.124.14.64] (helo=Bigmachine.magma.ca) by mail-07.primus.ca with esmtpa (Exim 4.72) (envelope-from ) id 1QmE6Q-0002VX-1P for rsgb_lf_group@blacksheep.org; Wed, 27 Jul 2011 20:05:26 -0400 X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Wed, 27 Jul 2011 20:05:24 -0400 To: rsgb_lf_group@blacksheep.org From: Bill de Carle In-Reply-To: <139AEA250B474F2495A74613B2D8A528@JimPC> References: <4E292DA4.3090507@telus.net> <4E294BFF.4030700@iup.uni-heidelberg.de> <139AEA250B474F2495A74613B2D8A528@JimPC> Mime-Version: 1.0 X-Authenticated: ve2iq - (Bigmachine.magma.ca) [98.124.14.64] X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Message-Id: Subject: Re: LF: Re: Lightning Story Content-Type: text/plain; charset="us-ascii"; format=flowed 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-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:476483776:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d60d54e30a8040ee7 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none At 07:29 PM 7/27/2011, Jim, M0BMU wrote: >On the bright side, TL084s are quite reasonably priced fuses, so >perhaps an IC socket would be the best investment ;-) Heh! Both the original part and its replacement were pulled from an old pcb and cost nothing. Next time I'll use something else or perhaps no preamp at all as dj1zb recommends. I had these loops for years on LF without a preamp but found the VLF SAQ signal a bit too weak here to feed directly into a soundcard. Somehow I don't fancy the idea of putting protection against lightning strikes in the shack. Bill