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 w2OGHBZB012558 for ; Sat, 24 Mar 2018 17:17:12 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ezllg-0005p4-Pl for rs_out_1@blacksheep.org; Sat, 24 Mar 2018 16:11:44 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ezlke-0005or-EI for rsgb_lf_group@blacksheep.org; Sat, 24 Mar 2018 16:10:40 +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 4.89) (envelope-from ) id 1ezlkZ-0006BQ-0t for rsgb_lf_group@blacksheep.org; Sat, 24 Mar 2018 16:10:36 +0000 Received: from submission (posteo.de [89.146.220.130]) by mout01.posteo.de (Postfix) with ESMTPS id BC27620E0F for ; Sat, 24 Mar 2018 17:10:31 +0100 (CET) X-DKIM-Result: Domain=posteo.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1521907832; bh=J1NHjfJyUP9z+sfTV4Y5GlHbLWs2pSyCg+RSGofD5u0=; h=Date:From:To:Subject:From; b=LcQNJR9uiN5kCJHz5+G+LdndL1qEErfNEI5QaYzJggmRyT9nnqVtzG+paikrDOllX XSm+Rq2KA/WCbE1dDdx5b0oyf5uoRZ708kwwB0/3eCsRI0xtfIufj0t9Z41MO2CCPi 8zVuhSVn+NsoEHCrk+v4IzSCRYjAn2kdEf9wWs2F9ycErCySu5x1yE3LV/ODnrvy47 cluT7GkR5zW13ZrNwS+7CBR3D9JqvKEh+nUk7FGEe4auwLojqB4uxmmbbIYiwnVznn RIUY02dIu6D4dNzOYso9fVYecdgKqPFHBeusRCXzcqgkhJpY7TIb7nAaK8fRrRYUls 0/FumzhPlVxyg== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 407lkH1jjFz9rxZ for ; Sat, 24 Mar 2018 17:10:28 +0100 (CET) Message-ID: <5AB67874.8070808@posteo.de> Date: Sat, 24 Mar 2018 17:10:28 +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: <16254e122f1-c8b-18d3d@webjas-vad169.srv.aolmail.net> <5AB5F6A3.10109@posteo.de> <5AB602EF.9070008@posteo.de> In-Reply-To: <5AB602EF.9070008@posteo.de> 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: Sorry, the transmission failed right at the beginning. The sun heats up the coil and detunes it even more it seems... I also found that the series impedance of my ferrite transformer between PA and coil seems to be to high, limiting the antenna current at resonance. I use the transformer down to 970 Hz but at 17 kHz it seems to have just to much primary and secondary turns, along with the stray reactances... [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: c0e6e8bcdc231effb9da2003d606d9a2 Subject: Re: VLF: Daytime transmission Content-Type: multipart/alternative; boundary="------------020507020504040501070008" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE 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 This is a multi-part message in MIME format. --------------020507020504040501070008 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sorry, the transmission failed right at the beginning. The sun heats up the coil and detunes it even more it seems... I also found that the series impedance of my ferrite transformer between PA and coil seems to be to high, limiting the antenna current at resonance. I use the transformer down to 970 Hz but at 17 kHz it seems to have just to much primary and secondary turns, along with the stray reactances... 73, Stefan Am 24.03.2018 08:49, schrieb DK7FC: > Hi VLF, > > Today, a daytime transmission as follows: > > *f = 17470.1000 Hz > Start time: 24.MAR.2018 10:20:00 UTC > Symbol period: 20 s > Characters: 3 > CRC bits: 24 > Coding 16K21A > Duration: 07:15:12 [hh:mm:ss] > Antenna current: 950 mA* > > Reports are welcome :-) > > 73, Stefan --------------020507020504040501070008 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit Sorry, the transmission failed right at the beginning. The sun heats up the coil and detunes it even more it seems... I also found that the series impedance of my ferrite transformer between PA and coil seems to be to high, limiting the antenna current at resonance. I use the transformer down to 970 Hz but at 17 kHz it seems to have just to much primary and secondary turns, along with the stray reactances...

73, Stefan

Am 24.03.2018 08:49, schrieb DK7FC:
Hi VLF,

Today, a daytime transmission as follows:

f = 17470.1000 Hz
Start time: 24.MAR.2018  10:20:00 UTC
Symbol period: 20 s
Characters: 3
CRC bits: 24
Coding 16K21A
Duration: 07:15:12 [hh:mm:ss]
Antenna current: 950 mA

Reports are welcome :-)

73, Stefan
--------------020507020504040501070008--