Return-Path: X-Spam-DCC: paranoid 1290; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD,SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u3C8Zdvl010531 for ; Tue, 12 Apr 2016 10:35:39 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aptjP-0006G6-0h for rs_out_1@blacksheep.org; Tue, 12 Apr 2016 09:31:31 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aptjO-0006Fx-F2 for rsgb_lf_group@blacksheep.org; Tue, 12 Apr 2016 09:31:30 +0100 Received: from omr-a003e.mx.aol.com ([204.29.186.57]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.87) (envelope-from ) id 1aptjM-0001XM-2L for rsgb_lf_group@blacksheep.org; Tue, 12 Apr 2016 09:31:29 +0100 Received: from mtaout-aam02.mx.aol.com (mtaout-aam02.mx.aol.com [172.27.19.146]) by omr-a003e.mx.aol.com (Outbound Mail Relay) with ESMTP id 7F3CF380009B for ; Tue, 12 Apr 2016 04:31:25 -0400 (EDT) Received: from [192.168.1.82] (host217-43-249-184.range217-43.btcentralplus.com [217.43.249.184]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mtaout-aam02.mx.aol.com (MUA/Third Party Client Interface) with ESMTPSA id 1CB9138000089 for ; Tue, 12 Apr 2016 04:31:25 -0400 (EDT) To: rsgb_lf_group@blacksheep.org References: <570A7631.5050001@lineone.net> <570B6F37.8060402@lineone.net> <2025D63622D3474489049C563BA6B7AB@gnat> <570BD148.6020103@lineone.net> <570C11FC.6090205@abelian.org> <8D71B823F4C0488997352509FB7D89BD@gnat> From: pat Message-ID: <570CB259.8010006@aol.com> Date: Tue, 12 Apr 2016 09:31:21 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <8D71B823F4C0488997352509FB7D89BD@gnat> x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1460449885; bh=5eEbf9rkaSVLmecpM1XGNm740vRg1l3AQ0fMi+Pm268=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=8CK8YATbby/HbeGePSQVqGpLLn+Rn5w/CZJEIyRBkGf3kni1ZSLMCmC3VqpL+oaZC ib/JoN04qbdxRYL1vag5A6vMK3Q8efzlaB4hbcDD1d1AYHQ67t5+FS8UvXLx04yjG6 3s52qQ16cISEMbJ7MKEp2QNfrcJ8aiISVVymRB1I= x-aol-sid: 3039ac1b1392570cb25d4649 X-AOL-IP: 217.43.249.184 X-Scan-Signature: d7fcd9b75df8d1b09ddef9df028bd9ae Subject: Re: LF: Re: Screening an LF Loading Coil Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 7672 As the aforesaid 'oppo' I would heartily concur with Alan. Gerald was a great mentor, super meal companion and wonderful raconteur. Also worth noting could be his unflinching support for Amateur Radio at the high tables of the commercial radiocommunications industry. That extended to the high tables of the EU. 73 de pat g4gvw On 11/04/16 23:07, Alan Melia wrote: > Hi Paul I came across Gerald in the 90s when I was part of a 2-way > radio company, my oppo knew Gerald quite well from the FCS. He was a > nice guy. One of my local LFers worked for him as well. I have one of > his Guiness barrell cavities in my workshop. They are very good. The > story was he insisted on silver-plated Guiness kegs as they were the > best quality material and casting. > > Alan > G3NYK > > > > ----- Original Message ----- From: "Paul Nicholson" > To: > Sent: Monday, April 11, 2016 10:07 PM > Subject: Re: LF: Re: Screening an LF Loading Coil > > >> >> Takes me back to the 1970's when I was a student working for >> Gerald David at Aerial Facilities in Chesham building these >> things - >> >> http://www.ingenia.org.uk/Ingenia/Articles/240 >> >> which worked incredibly well thanks to the ingenuity of some >> people at Bradford Uni who designed the adjustable center >> conductor of the cavity so that the overall temperature >> coefficient of the 'barrel' as we called the cavities, was close >> to zero. Bandwidths of a few kHz at VHF with insertion loss >> of less than 1dB were normal. >> >> Gerald was a wonderful larger than life character, I could >> relate many stories about life at AFL in those days - not >> least Gerald's specialised driving techniques applied to the >> country lanes of Buckinghamshire. There were many jokes about >> ensuring the barrels were empty and Friday lunchtimes at the >> pub were generally devoted to that. >> >> -- >> Paul Nicholson >> -- >> > > -- 73 de Pat G4GVW QTH Nr. FELIXSTOWE EAST COAST UK