Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dl03.r1000.mx.aol.com (Internet Inbound) with ESMTP id D60B738000EB6; Mon, 16 Jul 2012 18:20:14 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Sqtcl-0003uE-ON for rs_out_1@blacksheep.org; Mon, 16 Jul 2012 23:18:39 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Sqtcl-0003u5-7u for rsgb_lf_group@blacksheep.org; Mon, 16 Jul 2012 23:18:39 +0100 Received: from imr-da06.mx.aol.com ([205.188.169.203]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1Sqtci-0007b7-Ab for rsgb_lf_group@blacksheep.org; Mon, 16 Jul 2012 23:18:38 +0100 Received: from mtaout-da05.r1000.mx.aol.com (mtaout-da05.r1000.mx.aol.com [172.29.51.133]) by imr-da06.mx.aol.com (8.14.1/8.14.1) with ESMTP id q6GMITY6030081 for ; Mon, 16 Jul 2012 18:18:29 -0400 Received: from White (nrbg-4d057fff.pool.mediaWays.net [77.5.127.255]) by mtaout-da05.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 5C32DE00008C for ; Mon, 16 Jul 2012 18:18:26 -0400 (EDT) Message-ID: <2A0EF872376D40A584E0EB27CC0AA272@White> From: "Markus Vester" To: References: <7E7DFBB4D102A04DB5ADC88D66628A4A016538@ICTS-S-MBX5.luna.kuleuven.be> Date: Tue, 17 Jul 2012 00:18:25 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20110426; t=1342477109; bh=vfVX3lDgqkXrGM0qHWwVbrIa99z048KscU5NSZZm9lY=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=gCQjuVxTRpSe581plzmAmwT4FhZ22REZsG0fNZA7qo9Y33+Yu6DNCQ3Mt6K1yBVfD rUhHvlntl3oOHwRJsNvIj94XSnz8iHf32PAPgXg5Y4/JVyqr+Z5olZHJJSPfd6kXr9 ZsztOu8d7EzpYl6QyuRgNR0QxN7c84LMGsdVAuEA= X-AOL-SCOLL-SCORE: 0:2:467400832:93952408 X-AOL-SCOLL-URL_COUNT: 0 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Stefan Schaefer wrote > G.., i have done it. Downloaded ... to my LF PC. Still can't belive it... ... well, I haven't ;-) Out of curiosity, I have instead implemented Guido's excellent guide on Opera encoding http://rn3aus.narod.ru/opera_protocol.pdf in a little Basic program, which outputs the 110... keying sequence for any given callsign. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [205.188.169.203 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markusvester[at]aol.com) -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record 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: 18c242620d7d7b91a1caf5740aa3e326 Subject: Re: LF: opera coding demistified Content-Type: multipart/alternative; boundary="----=_NextPart_000_000C_01CD63B1.AE869830" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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 x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:494375008:93952408 X-AOL-SCOLL-URL_COUNT: 0 X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-a420.1 ; domain : mx.aol.com DKIM : pass x-aol-sid: 3039ac1d4ad15004939e3ca6 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_000C_01CD63B1.AE869830 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Stefan Schaefer wrote=20 > G.., i have done it. Downloaded ... to my LF PC. Still can't belive = it... ... well, I haven't ;-) Out of curiosity, I have instead implemented = Guido's excellent guide on Opera encoding=20 http://rn3aus.narod.ru/opera_protocol.pdf in a little Basic program, which outputs the 110... keying sequence for = any given callsign. And it works! For a quick on air test, I decided to use SpecLab's test = signal generator, modulated by an arbitrary waveform which can be loaded = from a text file. To fit to the required data format, I edited the = sequence by zero-padding from 239 to 256 symbols, then replacing every = "1" by two lines of "32767", and every "0" by two lines of "0", giving = 512 samples total. For "Op4" speed, the AM modulator period was set to = 0.256*4*256 =3D 262.144 seconds. Audio output was used to key my TX on = 478.63 kHz. I sent for strings on Saturday night 21:30 to 21:47, and = within a few minutes, pskreporter.de showed spots from DF2JP, G8HUH, = ON6EO and DD7PC. In case you would also like to send Opera without "his master's = software", or associate obscure received sequences with possible = candidates, the little program and sourcecode is at=20 http://df6nm.bplaced.net/opera/opera_generator.zip (24 kB) Best 73, Markus (DF6NM) From: Rik Strobbe=20 Sent: Friday, February 17, 2012 11:48 AM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: opera coding demistified PE1NNZ seems to have demistified the opera coding, those interested can = read the attached file. 73, Rik ON7YD - OR7T=20 ------=_NextPart_000_000C_01CD63B1.AE869830 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Stefan Schaefer wrote
> G.., i have done it. Downloaded ... to my = LF PC.=20 Still can't belive it...
... well, I haven't ;-) Out of curiosity, = I have=20 instead implemented Guido's excellent guide on Opera=20 encoding 
http://rn3aus.narod.ru= /opera_protocol.pdf
in a little Basic program, = which outputs the=20 110... keying sequence for any given callsign.
 
And it works! For a quick = on air test,=20 I decided to use SpecLab's test signal generator, modulated by an = arbitrary=20 waveform which can be loaded from a text file. To fit to = the=20 required data format, I edited the sequence by = zero-padding from=20 239 to 256 symbols, then replacing every "1" by two lines of=20 "32767", and every "0" by two lines of "0", giving 512 = samples=20 total. For "Op4" speed, the AM modulator period was = set to=20 0.256*4*256 =3D 262.144 seconds. Audio output was used to key my TX = on 478.63=20 kHz. I sent for strings on Saturday night 21:30 to 21:47, and = within=20 a few minutes, pskreporter.de showed spots from DF2JP, = G8HUH, ON6EO=20 and DD7PC.
 
In case you would also like = to send=20 Opera without "his master's software", or associate obscure = received=20 sequences with possible candidates, the little program and = sourcecode=20 is at
http://df6nm.= bplaced.net/opera/opera_generator.zip (24=20 kB)
 
Best 73,
Markus (DF6NM)
From: = Rik Strobbe
Sent: Friday, February 17, 2012 11:48=20 AM
To: rsgb_lf_group@blacksheep.org=20
Subject: LF: opera coding=20 demistified

PE1NNZ seems to have demistified the = opera coding,=20 those interested can read the attached file.

73, Rik  ON7YD = - OR7T=20
 
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