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[166.82.158.111]) by mx.google.com with ESMTPSA id g25sm4597348yhg.6.1969.12.31.16.00.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 30 Sep 2013 15:30:55 -0700 (PDT) Message-ID: <5249FB9C.9040702@gmail.com> Date: Mon, 30 Sep 2013 18:30:52 -0400 From: Dexter McIntyre W4DEX User-Agent: Messenger 9.0a1 (Windows/20071115) MIME-Version: 1.0 To: MarkusVester@aol.com CC: rsgb_lf_group@blacksheep.org References: <524999E7.3030001@gmx.de> <514630078B86410FB0CE8027D1FFFC0A@White> In-Reply-To: <514630078B86410FB0CE8027D1FFFC0A@White> 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: 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, [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.161.172 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (dexter.mc[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 5c1f37c04fc013ebbc2288fd3791d043 Subject: Re: LF: 74.550kHz Sep 29/30 Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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=0.0 required=5.0 tests=none 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: 2027 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