Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: : mailn 1480; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v3INkSKK011458 for ; Wed, 19 Apr 2017 01:46:29 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1d0cmK-0002GJ-Pi for rs_out_1@blacksheep.org; Wed, 19 Apr 2017 00:43:24 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1d0cmJ-0002GA-I3 for rsgb_lf_group@blacksheep.org; Wed, 19 Apr 2017 00:43:23 +0100 Received: from fish1.hurontel.on.ca ([216.46.129.162]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1d0cmG-00070H-P2 for rsgb_lf_group@blacksheep.org; Wed, 19 Apr 2017 00:43:22 +0100 X-ASG-Debug-ID: 1492558997-04276c24929e5c0001-a32kfu Received: from [192.168.1.100] (pppoe.dyn-216.46.157.123.hurontel.on.ca [216.46.157.123]) by fish1.hurontel.on.ca with ESMTP id Uo0R2W2TmrNXkT2v for ; Tue, 18 Apr 2017 19:43:17 -0400 (EDT) X-Barracuda-Envelope-From: weazle@hurontel.on.ca X-Barracuda-Effective-Source-IP: pppoe.dyn-216.46.157.123.hurontel.on.ca[216.46.157.123] X-Barracuda-Apparent-Source-IP: 216.46.157.123 Mime-Version: 1.0 (Apple Message framework v1085) From: John Bruce McCreath X-ASG-Orig-Subj: Re: LF: A transductor for power regulation? In-Reply-To: <58F63C48.4020006@posteo.de> Date: Tue, 18 Apr 2017 19:43:16 -0400 Message-Id: References: <15b72b3360e.marcocadeddu@tin.it> <731997437.20170416124847@gmail.com> <58F525B4.9090008@posteo.de> <1229336941.20170418125840@gmail.com> <58F60567.20001@posteo.de> <58F63C48.4020006@posteo.de> To: rsgb_lf_group@blacksheep.org X-Mailer: Apple Mail (2.1085) X-Barracuda-Connect: pppoe.dyn-216.46.157.123.hurontel.on.ca[216.46.157.123] X-Barracuda-Start-Time: 1492558997 X-Barracuda-URL: https://216.46.129.162:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 246 X-Virus-Scanned: by bsmtpd at hurontel.on.ca X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=5.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.38177 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Scan-Signature: 4d4a9e8f68fb15c54898568240f542c5 Content-Type: text/plain; charset=us-ascii Subject: Re: LF: A transductor for power regulation? 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 2.75 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by lipkowski.org id v3INkSKK011458 Status: O X-Status: X-Keywords: X-UID: 11382 They use a system like that on the US Navy's VLF transmitter at station NAA, Cutler, Maine. It keeps the high Q antenna resonant in step with the FSK modulation. 73, J.B., VE3EAR LowFER Beacon "EAR" 188.830 kHz. QRSS30 EN93dr