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[195.171.43.25]) by mx.google.com with ESMTP id je9si49683wic.3.1969.12.31.16.00.00; Mon, 30 Sep 2013 16:13:22 -0700 (PDT) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VQmYk-00023R-VW for rs_out_1@blacksheep.org; Tue, 01 Oct 2013 00:07:22 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VQmYk-00023H-Hi for rsgb_lf_group@blacksheep.org; Tue, 01 Oct 2013 00:07:22 +0100 Received: from mta41.charter.net ([216.33.127.83]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1VQmYe-0000E4-Cl for rsgb_lf_group@blacksheep.org; Tue, 01 Oct 2013 00:07:21 +0100 Received: from imp09 ([10.20.200.9]) by mta41.charter.net (InterMail vM.8.01.05.02 201-2260-151-103-20110920) with ESMTP id <20130930230714.YKEK10143.mta41.charter.net@imp09> for ; Mon, 30 Sep 2013 19:07:14 -0400 Received: from [97.13.62.78] ([97.13.62.78]) by imp09 with smtp.charter.net id Xb7B1m00c1hHFyR05b7DC7; Mon, 30 Sep 2013 19:07:14 -0400 X-Authority-Analysis: v=2.0 cv=ZL6PAgHb c=1 sm=1 a=eHh7r4S6wDQsUuFRRIJv2A==:17 a=c1IahG1w8_8A:10 a=yUnIBFQkZM0A:10 a=kj9zAlcOel0A:10 a=hOpmn2quAAAA:8 a=7g8M5imXEsIA:10 a=pGLkceISAAAA:8 a=VVBmb_OTpdOCXTj3VvMA:9 a=CjuIK1q_8ugA:10 a=MSl-tDqOz04A:10 a=eHh7r4S6wDQsUuFRRIJv2A==:117 X-Auth-id: dzF0YWdAY2hhcnRlci5uZXQ= References: <524999E7.3030001@gmx.de> <514630078B86410FB0CE8027D1FFFC0A@White> <5249FB9C.9040702@gmail.com> From: John Andrews X-Mailer: iPhone Mail (11A501) In-Reply-To: <5249FB9C.9040702@gmail.com> Message-Id: Date: Mon, 30 Sep 2013 19:07:08 -0400 To: "rsgb_lf_group@blacksheep.org" Mime-Version: 1.0 (1.0) X-Spam-Score: -0.7 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Errr... Isn't CFH on 73.6? John, W1TAG > On Sep 30, 2013, at 6:30 PM, Dexter McIntyre W4DEX wrote: > > Markus Vester wrote: >> Attached is a spectrogram which was taken tonight on the resonant antenna. Between statics, you can still see the fourth sideband lobe which is centered near 74.6 kHz. The spectral gaps are on 74916.666 Hz, >> 74270.833 Hz, >> 73625.000 Hz, >> with small and sharp central lines, presumably caused by slight inbalances or nonlinearities in the transmitter. >> By these criteria, if you have the choice I would recommend to operate somewhere near these gaps, but not exactly in their middle, and also preferably not exactly on integer Hz frequencies ;-) > Markus, > > If Bob is going to be on tonight I'll let him make the frequency call. If so I'll snuggle up with him since his signal will provide a locater for my much weaker signal. If Bob doesn't show up you make the call. I prefer 73625 +/- a smidgen. > Dex > [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [216.33.127.83 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: c1f72e5acb1277e013f90c915ad7ad68 Subject: Re: LF: 74.550kHz Sep 29/30 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=TO_ADDRESS_EQ_REAL 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 Status: O X-Status: X-Keywords: X-UID: 2028 Errr... Isn't CFH on 73.6? John, W1TAG > On Sep 30, 2013, at 6:30 PM, Dexter McIntyre W4DEX w= rote: >=20 > Markus Vester wrote: >> Attached is a spectrogram which was taken tonight on the resonant antenna= . Between statics, you can still see the fourth sideband lobe which is cente= red near 74.6 kHz. The spectral gaps are on 74916.666 Hz, >> 74270.833 Hz, >> 73625.000 Hz, >> with small and sharp central lines, presumably caused by slight inbalance= s or nonlinearities in the transmitter. >> By these criteria, if you have the choice I would recommend to operate so= mewhere near these gaps, but not exactly in their middle, and also preferabl= y not exactly on integer Hz frequencies ;-) > Markus, >=20 > If Bob is going to be on tonight I'll let him make the frequency call. If= so I'll snuggle up with him since his signal will provide a locater for my m= uch weaker signal. If Bob doesn't show up you make the call. I prefer 7362= 5 +/- a smidgen.=20 > Dex >=20