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[82.70.254.222]) by smtp.gmail.com with ESMTPSA id x128sm2255360wmg.20.2018.03.21.03.07.42 (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 21 Mar 2018 03:07:42 -0700 (PDT) Date: Wed, 21 Mar 2018 10:07:41 +0000 From: Chris Wilson X-Priority: 3 (Normal) Message-ID: <1667763559.20180321100741@gmail.com> To: LineOne CC: dead.fets@gmail.com In-Reply-To: References: <1521624654720.99564@kuleuven.be> MIME-Version: 1.0 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hello Andy / LF `ers Talking of loading coil matching I have just added a Russian standalone variometer to the earthy end of my loading coil. Previously the coil had an internal home made variometer in the HV end, another coil wound on a plastic pipe (now totally removed). I need to check but antenna current may now be lower. What are the potential repercussions of me having the Russian variometer main ending reversed? Also, is there a power loss if a variometer is tuned anti phase to get resonance? Actually I am told this russian device is correctly called a goniometer, it can be seen at http://www.chriswilson.tv/goniometer.jpg [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (dead.fets[at]gmail.com) 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 2e2f7cbbe9f38dd7bf3fac4fc012e6fc Subject: Re: LF: Re: [rsgb_lf_group] Idea for tuned inductor Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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=PRIORITY_NO_NAME 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 Hello Andy / LF `ers Talking of loading coil matching I have just added a Russian standalone variometer to the earthy end of my loading coil. Previously the coil had an internal home made variometer in the HV end, another coil wound on a plastic pipe (now totally removed). I need to check but antenna current may now be lower. What are the potential repercussions of me having the Russian variometer main ending reversed? Also, is there a power loss if a variometer is tuned anti phase to get resonance? Actually I am told this russian device is correctly called a goniometer, it can be seen at http://www.chriswilson.tv/goniometer.jpg The pot core with adjustable air gap is a nice idea, but at high power I think I'd need a huge core to avoid saturation. Elegant though :) Thanks. -- Best regards, Chris mailto:dead.fets@gmail.com