Return-Path: X-Spam-DCC: paranoid 1233; 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=2.0 required=5.0 tests=BAYES_40,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD,RCVD_ILLEGAL_IP 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 tBKBS5KX016263 for ; Sun, 20 Dec 2015 12:28:05 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aAc6l-0006Mm-PZ for rs_out_1@blacksheep.org; Sun, 20 Dec 2015 11:24:59 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aAc6l-0006Md-Gx for rsgb_lf_group@blacksheep.org; Sun, 20 Dec 2015 11:24:59 +0000 Received: from mailout07.t-online.de ([194.25.134.83]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.86) (envelope-from ) id 1aAc5j-0005hb-Pj for rsgb_lf_group@blacksheep.org; Sun, 20 Dec 2015 11:24:58 +0000 Received: from fwd29.aul.t-online.de (fwd29.aul.t-online.de [172.20.26.134]) by mailout07.t-online.de (Postfix) with SMTP id BC32D2238F3 for ; Sun, 20 Dec 2015 12:23:38 +0100 (CET) Received: from [192.168.1.2] (TEVY0uZrYh35B3NXYwAvQRAxtwxpaa8toX9t3Z7Wkety5aqxkKCdY01t4REqw2FwJf@[2.160.123.35]) by fwd29.t-online.de with (TLSv1.2:ECDHE-RSA-AES256-SHA encrypted) esmtp id 1aAc5R-2sCn680; Sun, 20 Dec 2015 12:23:37 +0100 To: rsgb_lf_group@blacksheep.org From: "Dr. Wolf Ostwald" Message-ID: <56768FB9.6050506@t-online.de> Date: Sun, 20 Dec 2015 12:23:37 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 X-ID: TEVY0uZrYh35B3NXYwAvQRAxtwxpaa8toX9t3Z7Wkety5aqxkKCdY01t4REqw2FwJf X-TOI-MSGID: beed9e3f-7bd2-4f48-8205-17be48842fe5 X-Scan-Signature: ddae800c6581715278ab3184b42d46db Subject: LF: Variometer in the shack 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 10.1.3.10 Status: RO X-Status: X-Keywords: X-UID: 5849 HI ! past the variometer there is no 50 Ohms impedance, the stepup in voltage will be tremendous. The parallel capacitance of the coax will shunt a lot of the energy transported. Definitely the worse the more inductance has to be introduced. In my opinion its a no go. 73 de wolf df2py