Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: INFN-TO: mailn 1233; 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+deb8u2) with ESMTP id v7SK9v8m030792 for ; Mon, 28 Aug 2017 22:09:58 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dmQHI-0006d0-AK for rs_out_1@blacksheep.org; Mon, 28 Aug 2017 21:04:56 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dmQHH-0006cr-8g for rsgb_lf_group@blacksheep.org; Mon, 28 Aug 2017 21:04:55 +0100 Received: from simone.ucs.mun.ca ([134.153.232.76]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1dmQHD-0003rG-G5 for rsgb_lf_group@blacksheep.org; Mon, 28 Aug 2017 21:04:54 +0100 Received: from plato.ucs.mun.ca (plato.ucs.mun.ca [134.153.232.153]) by simone.ucs.mun.ca (8.13.8/8.13.8) with ESMTP id v7SK4Ywo031142 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 28 Aug 2017 17:34:44 -0230 Date: Mon, 28 Aug 2017 17:34:34 -0230 (NDT) From: jcraig@mun.ca X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-Reply-To: Message-ID: References: <15e1104432f-c04-c80b@webjas-vac074.srv.aolmail.net> <599EB51C.1040204@posteo.de> MIME-Version: 1.0 X-Scan-Signature: 64437c466041e93ffedda7fb96b22b71 Subject: Re: VLF: Carrier on 8270.00709 Hz Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed 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 Status: O X-Status: X-Keywords: X-UID: 12478 I didn't think anyone was listening -- many thanks Paul. The module is expected to arrive soon and new halyards are in place. It should be an interesting autumn. 73 Joe VO1NA On Mon, 28 Aug 2017, Paul Nicholson wrote: > > Joe VO1NA wrote: > >> Testing the coil amp and dds ... [24th] >> 8 uW. > >> Off at ~1600 utc today. [27th] > > > http://abelian.org/vlf/tmp/170828a.gif > > That's two daytime signals, 25th and 26th 10:00 to 20:00, > combined coherently, bin width is 27.8 uHz. > > S/N of the combined days is 16.0 dB. > > Adding the two days non-coherently gives only 9 dB. > > I couldn't get anything useful out of the nighttime signal. > > I'll be glad when you get a GPS locked carrier, it's a bit > tricky coherently combining recordings when the frequency is > not known! > > -- > Paul Nicholson > -- > >