Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id v8QBoHSi016060 for ; Tue, 26 Sep 2017 13:50:20 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dwoId-0003Ak-Q5 for rs_out_1@blacksheep.org; Tue, 26 Sep 2017 12:45:15 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dwoId-0003Ab-5Q for rsgb_lf_group@blacksheep.org; Tue, 26 Sep 2017 12:45:15 +0100 Received: from mout02.posteo.de ([185.67.36.66]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dwoIa-0000V0-EW for rsgb_lf_group@blacksheep.org; Tue, 26 Sep 2017 12:45:13 +0100 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id 7D04720AF3 for ; Tue, 26 Sep 2017 13:45:10 +0200 (CEST) Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3y1fJj2MG7z10Hm for ; Tue, 26 Sep 2017 13:45:08 +0200 (CEST) Message-ID: <59CA3DC4.6010100@posteo.de> Date: Tue, 26 Sep 2017 13:45:08 +0200 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: <15ea03edd54-c07-2a33b@webjas-vab251.srv.aolmail.net> <59C2C034.3070609@posteo.de> <59C428C3.7030709@posteo.de> <59C9816E.4050409@posteo.de> In-Reply-To: X-Spam-Score: -0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hello Jacek, Many thanks. I confirm the message is coorrect :-) 920 km distance on a land path. Not so bad :-) Usually my signal is 7.4 dB stronger. So it would have worked in a single day when using 700 mA antenna current. The message is running a 5th time today, ending 17:32 UTC. [...] Content analysis details: (-0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: ac0f6ff1af52b6036ac1f4fe0c2bd52c Subject: Re: VLF: 300 mA on 8270 Hz 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 Hello Jacek, Many thanks. I confirm the message is coorrect :-) 920 km distance on a land path. Not so bad :-) Usually my signal is 7.4 dB stronger. So it would have worked in a single day when using 700 mA antenna current. The message is running a 5th time today, ending 17:32 UTC. Whast next? I could try a longer message, maybe 25 characters 8K19A... Will think about it. Suggestions? 73, Stefan Am 26.09.2017 13:23, schrieb Jacek Lipkowski: > On Tue, 26 Sep 2017, DK7FC wrote: > >> 4 transmissions were done successfully. >> Is there someone trying to decode it at all or is it just a lonely test? > > of course people are trying to decode it :) > > (message sent by email for validation, but i'm 100% sure that the > message is correct) > > so far this is the best i got: > > found rank 6395 ber 3.9815e-01 Eb/N0 -0.7 M -3.339568750e+04 [yyyyy > xxxxxx] ps [ 16 0 0 -30 -30] > carrier phase: -9.4 deg > carrier Eb/N0: -1.2 dB > carrier Es/N0: -15.20 dB > carrier S/N: 17.17 dB in 24.1 uHz, -29.00 dB in 1Hz, -62.98 dB in 2.5kHz > elapsed 1346 > > this has been decoded using stacked transmissions from 4 days using > Paul's script (thanks Paul!). > > knowing the message i will try optimise it for better Eb/N0 > >> 12 characters 16K21A is a bit challenging for most computers though. > > not that much. > > decoded with list length 2000000, takes about 3GB of ram. this is > using an 9 year old dell e4300 laptop with 4GB ram (which is not much > by todays standards). underclocked to 1.6GHz because otherwise it dies > from overheating. > > VY 73 > > Jacek / SQ5BPF > >