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=-0.5 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 uAMJiumk009798 for ; Tue, 22 Nov 2016 20:44:56 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1c9Gwx-0001M4-UJ for rs_out_1@blacksheep.org; Tue, 22 Nov 2016 19:41:51 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1c9Gwx-0001Lv-Kw for rsgb_lf_group@blacksheep.org; Tue, 22 Nov 2016 19:41:51 +0000 Received: from porthos.netcom.co.uk ([217.72.171.73]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1c9Gwv-0000H5-0H for rsgb_lf_group@blacksheep.org; Tue, 22 Nov 2016 19:41:50 +0000 X-DKIM-Result: Domain=abelian.org Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=abelian.org ; s=default; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:To:Subject:Sender:Reply-To:Cc: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=qbzGjeUdy76W2fjRE0u8CMSJyyB06vvZavIrmUDQXsw=; b=Dlzui9bi13kTmshIEzkCGsXkBu 3VV1HceZL+yivG3Wq45uftxEKlnPK9ihFN/MGvdEsT1lhJ6MWs4uvkuxP1edT7Hw3PVVSaDvpC2Pn p2GQBZjyY1x6GAXd8Iiv96ESkrcV2GYv8msoIDYCxPpxTBDMbJz6tHss0OYdSOjcYfBc=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:53721 helo=pn.abelian.org) by porthos.netcom.co.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1c9Gwu-0000bV-Ds for rsgb_lf_group@blacksheep.org; Tue, 22 Nov 2016 19:41:48 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id CE348400415 for ; Tue, 22 Nov 2016 19:41:47 +0000 (UTC) To: rsgb_lf_group@blacksheep.org References: <154c32c4dba-373a-24653@webprd-m58.mail.aol.com> <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> <582DEE31.2090909@posteo.de> <582DF4E8.4090203@abelian.org> <582F3D04.80900@abelian.org> <582F6056.9060903@posteo.de> <582F7F08.6050608@abelian.org> <5830D07E.5050407@posteo.de> <58346350.6070705@abelian.org> <583494C7.1060701@posteo.de> From: Paul Nicholson Message-ID: <58349F7B.5010408@abelian.org> Date: Tue, 22 Nov 2016 19:41:47 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <583494C7.1060701@posteo.de> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - porthos.netcom.co.uk X-AntiAbuse: Original Domain - blacksheep.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - abelian.org X-Get-Message-Sender-Via: porthos.netcom.co.uk: authenticated_id: catchall@abelian.org X-Authenticated-Sender: porthos.netcom.co.uk: catchall@abelian.org X-Scan-Signature: 0b2d339ae1d48966556dfb6ad64e2bce 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: 9513 Stefan wrote: > How accurate are your phase measurements > arround an Eb/N0 of -4 dB? I just ran 1000 decodes of 20 char messages at Eb/N0 -4.0 and got a standard deviation of phase measurement of 6.0 degrees. > i may use one day to test my large coil for 2970 Hz. I'm looking forward to the challenge. 35 days wasn't enough to detect the carrier last time (about 15 dB stacking gain). -- Paul Nicholson --