Return-Path: Received: from mtain-md06.r1000.mx.aol.com (mtain-md06.r1000.mx.aol.com [172.29.96.90]) by air-dd10.mail.aol.com (v129.4) with ESMTP id MAILINDD103-86604c4c9dd2354; Sun, 25 Jul 2010 16:25:54 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-md06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 87B7B380000BE; Sun, 25 Jul 2010 16:25:52 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Od7kc-0000wX-3P for rs_out_1@blacksheep.org; Sun, 25 Jul 2010 21:24:46 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Od7kb-0000wO-Mo for rsgb_lf_group@blacksheep.org; Sun, 25 Jul 2010 21:24:45 +0100 Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Od7ka-000610-O1 for rsgb_lf_group@blacksheep.org; Sun, 25 Jul 2010 21:24:45 +0100 Received: from ix.urz.uni-heidelberg.de (cyrus-portal.urz.uni-heidelberg.de [129.206.100.176]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id o6PKSHY8027572 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 25 Jul 2010 22:28:18 +0200 Received: from extmail.urz.uni-heidelberg.de (extmail.urz.uni-heidelberg.de [129.206.100.140]) by ix.urz.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id o6PKOhfi004919 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 25 Jul 2010 22:24:43 +0200 Received: from [147.142.13.80] (vpn513-080.rzuser.uni-heidelberg.de [147.142.13.80]) by extmail.urz.uni-heidelberg.de (8.13.4/8.13.1) with ESMTP id o6PKOsq0027032 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 25 Jul 2010 22:24:56 +0200 Message-ID: <4C4C9D88.8090000@iup.uni-heidelberg.de> Date: Sun, 25 Jul 2010 22:24:40 +0200 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <002a01cb2c25$ed5da320$0601a8c0@xphd97xgq27nyf> <004401cb2c2a$9729aad0$0601a8c0@xphd97xgq27nyf> In-Reply-To: <004401cb2c2a$9729aad0$0601a8c0@xphd97xgq27nyf> X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Re: 136kHz LPF toroids? Content-Type: multipart/alternative; boundary="------------000301020807050100070303" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE 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-sid: 3039ac1d605a4c4c9dd07a4a X-AOL-IP: 193.82.116.20 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --------------000301020807050100070303 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Mal, there are also T400-2 available! Roger, i've found a list which may be suitable/informative: http://www.xs4all.nl/~barendh/Cateng/Cateng_amidon.htm 73, Stefan Am 25.07.2010 20:52, schrieb mal hamilton: > No so, only in the UK generally, and 10w erp has been authorised in > the past, other countries 20 plus watts erp. > If you have a vy small antenna you would need around 5Kw to get 1w erp > and would need about 10 T-200 toroids stacked times 2 for your filter. > The trend in the past on 137 has been to work long haul with the odd > local QSO. > mal/g3kev --------------000301020807050100070303 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Mal, there are also T400-2 available!

Roger, i've found a list which may be suitable/informative: http://www.xs4all.nl/~barendh/Cateng/Cateng_amidon.htm


73, Stefan

Am 25.07.2010 20:52, schrieb mal hamilton:
No so, only in the UK generally, and 10w erp has been authorised in the past,  other countries 20 plus watts erp.
If you have a vy small antenna you would need around 5Kw to get 1w erp and would need about 10 T-200 toroids stacked times 2 for your filter.
The trend in the past on 137 has been to work long haul with the odd local QSO.
mal/g3kev
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