Return-Path: X-Spam-DCC: paranoid 1480; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD,SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id uAHI2E20029837 for ; Thu, 17 Nov 2016 19:02:14 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1c7Qqp-0005Ac-Jl for rs_out_1@blacksheep.org; Thu, 17 Nov 2016 17:51:55 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1c7Qqo-0005AT-R2 for rsgb_lf_group@blacksheep.org; Thu, 17 Nov 2016 17:51:54 +0000 Received: from mout01.posteo.de ([185.67.36.65]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1c7Qql-0000i2-H9 for rsgb_lf_group@blacksheep.org; Thu, 17 Nov 2016 17:51:53 +0000 Received: from submission (posteo.de [89.146.220.130]) by mout01.posteo.de (Postfix) with ESMTPS id A3F1320232 for ; Thu, 17 Nov 2016 18:51:46 +0100 (CET) Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3tKTGB1tKhz109X for ; Thu, 17 Nov 2016 18:51:46 +0100 (CET) Message-ID: <582DEE31.2090909@posteo.de> Date: Thu, 17 Nov 2016 18:51:45 +0100 From: DK7FC User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <154c32c4dba-373a-24653@webprd-m58.mail.aol.com> <581A452F.6060506@abelian.org> <581A4BC6.9030106@abelian.org> <581A541E.9050406@abelian.org> <581A8098.8050909@posteo.de> <581C3027.8050003@abelian.org> <581C8660.1070709@posteo.de> <581C90C7.5030809@abelian.org> <581C95BC.6010602@posteo.de> <581DA8E4.5010701@abelian.org> <581DB9C0.10602@posteo.de> <581DCF2E.5090902@abelian.org> <581F9797.9060709@abelian.org> <5824A47D.3060108@posteo.de> <58260EC4.70903@abelian.org> <58261368.60901@posteo.de> <58261772.3050508@abelian.org> <5826BF91.6070907@abelian.org> <5826DB6E.1060000@abelian.org> <58276523.4000204@abelian.org> <5829D9E1.2020801@posteo.de> <582A0BF2.5070101@abelian.org> <582AB6CD.5090603@abelian.org> <582B12B2.7080708@posteo.de> <582B3823.8090504@abelian.org> <582B4466.5070106@abelian.org> <582B6E8B.4090207@posteo.de> <117DEE4AF4DD44F59CB 455664AD7695B@gnat> <046701d23fb3$ab36d900$01a48b00$@comcast.net> <582C19D6.5080808@abelian.org> <582CA9F0.2040306@abelian.org> In-Reply-To: <582CA9F0.2040306@abelian.org> X-Scan-Signature: 896f9ee4f10c5db37812c155e804756d Subject: Re: VLF: EbNaut transmissions on lower frequencies?, pre-tests: 6.47kHz Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 2.56 on 10.1.3.11 Content-Length: 1694 Status: O X-Status: X-Keywords: X-UID: 9486 VLF, The last (7th) day-tranmission in this experiment is completed. The last (3rd) night transmission will start at 20 UTC. Tomorrow, 6 UTC, a carrier starts on 6470.005 Hz, taking 48 hours. A test for RN3AUS and IK1QFK and all those taking part in the background. 73, Stefan Am 16.11.2016 19:48, schrieb Paul Nicholson: > > Summing after each reception normalised to relative noise RMS 1.0; > S/N is dB in 2500 Hz; > > Day tests: > > Eb/N0 S/N Phase RMS > 11th Nov 3.9 -62.5 -141.2 2.56 > 12th Nov 4.9 -59.7 -134.3 2.01 > 11th to 12th 7.5 -57.9 -137.1 > 13th Nov 8.5 -55.6 -138.5 1.07 > 11th to 13th 9.6 -53.8 -137.8 > 14th 3.5 -61.3 -136.8 2.48 > 11th to 14th 10.4 -53.1 -137.6 > 15th 1.1 -64.0 -139.9 3.59 > 11th to 15th 10.7 -52.9 -137.8 > 16th 5.0 -60.8 -140.8 2.45 > 11th to 16th 11.0 -52.2 -137.4 > > Night tests: > > Eb/N0 S/N Phase > 15th Nov -3.0 -67.8 -34.0 no decode > > I wrote: > > > Later I'll fire up LWPC and plot some examples of long > > distance paths. > > For 1uW ERP, DK7FC to Todmorden > > http://abelian.org/vlf/tmp/1479317903_9356.png > > Daytime signal -34dBuV/m corresponds to about 0.03 fT > > DK7FC to vlf35 Virginia > > http://abelian.org/vlf/tmp/1479318501_18872.png > > -54dBuV/m, about 20dB weaker than Todmorden reception, > would need 100 days summation to build up the same > signal. > > DK7FC to Tasmania: > > http://abelian.org/vlf/tmp/1479318832_10010.png > > A crazy looking diurnal. At -145dBuV/m, even a century > of summing wouldn't come anywhere close to this. > > Sorry Edgar. > > -- > Paul Nicholson > -- >