Return-Path: X-Spam-DCC: paranoid 1233; 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=-0.5 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,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 u537A71I024237 for ; Fri, 3 Jun 2016 09:10:07 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1b8j6t-0007Fi-MX for rs_out_1@blacksheep.org; Fri, 03 Jun 2016 08:01:35 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1b8j6r-0007FZ-5X for rsgb_lf_group@blacksheep.org; Fri, 03 Jun 2016 08:01:33 +0100 Received: from parrot.netcom.co.uk ([217.72.171.49]) by relay1.thorcom.net with esmtp (Exim 4.87) (envelope-from ) id 1b8j6p-0002ad-Gr for rsgb_lf_group@blacksheep.org; Fri, 03 Jun 2016 08:01:31 +0100 Received: from pn.abelian.org (i-194-106-52-83.freedom2surf.net [194.106.52.83]) by parrot.netcom.co.uk (Postfix) with ESMTP id D64B9227A8C for ; Fri, 3 Jun 2016 07:59:30 +0100 (BST) Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id A5E7E400097 for ; Fri, 3 Jun 2016 07:01:29 +0000 (UTC) To: rsgb_lf_group@blacksheep.org References: <154c32c4dba-373a-24653@webprd-m58.mail.aol.com> <573CAF79.9040701@abelian.org> <573CBBF0.4030701@posteo.de> <573E5907.6020107@posteo.de> <573EA094.3040205@abelian.org> <573EF90F.1080201@posteo.de> <573FC4DA.3080107@abelian.org> <5740842D.3030000@posteo.de> <5744FA27.6010703@posteo.de> <574AF1CA.7080702@posteo.de> From: Paul Nicholson Message-ID: <57512B49.2080305@abelian.org> Date: Fri, 3 Jun 2016 07:01:29 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <574AF1CA.7080702@posteo.de> X-Scan-Signature: 0a4643e586472c13187d293ec5d096c2 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 Status: O X-Status: X-Keywords: X-UID: 8212 Stefan wrote: > What about your results? Nothing? Nothing. > f = 6470.00000 Hz > Start time: 22.05.2016 04:00:02 UTC > Symbol length: 200 s > Characters: 20 > f = 6470.00000 Hz > Start time: 25.05.2016 04:00:02 UTC > Symbol length: 140 s > Characters: 13 I have to admit defeat on both these transmissions. I've tried a range of beam headings and so on but I guess it's a few dB short of a decode. Some very noisy nights during these tests. I've been experimenting with the sferic blanker to try to improve performance on very strong sferics. -- Paul Nicholson --