Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-da04.r1000.mx.aol.com (Internet Inbound) with ESMTP id DD27B38000085; Tue, 10 Jan 2012 17:06:25 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RkjpC-0007O0-FT for rs_out_1@blacksheep.org; Tue, 10 Jan 2012 22:05:46 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RkjpC-0007Nr-22 for rsgb_lf_group@blacksheep.org; Tue, 10 Jan 2012 22:05:46 +0000 Received: from rhcavuit02.kulnet.kuleuven.be ([134.58.240.130] helo=cavuit02.kulnet.kuleuven.be) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1RkjpA-0001nu-2h for rsgb_lf_group@blacksheep.org; Tue, 10 Jan 2012 22:05:46 +0000 X-KULeuven-Envelope-From: rik.strobbe@fys.kuleuven.be X-KULeuven-Scanned: Found to be clean X-KULeuven-ID: 19834128029.A9035 X-KULeuven-Information: Katholieke Universiteit Leuven Received: from smtps01.kuleuven.be (smtpshost01.kulnet.kuleuven.be [134.58.240.74]) by cavuit02.kulnet.kuleuven.be (Postfix) with ESMTP id 19834128029 for ; Tue, 10 Jan 2012 23:05:34 +0100 (CET) Received: from ICTS-S-HUB-N1.luna.kuleuven.be (icts-s-hub-n1.luna.kuleuven.be [10.112.9.11]) by smtps01.kuleuven.be (Postfix) with ESMTP id E3B7A31E702 for ; Tue, 10 Jan 2012 23:05:33 +0100 (CET) Received: from ICTS-S-EXC2-CA.luna.kuleuven.be ([10.112.11.13]) by ICTS-S-HUB-N1.luna.kuleuven.be ([10.112.9.11]) with mapi; Tue, 10 Jan 2012 23:05:34 +0100 X-Kuleuven: This mail passed the K.U.Leuven mailcluster From: Rik Strobbe To: "rsgb_lf_group@blacksheep.org" Date: Tue, 10 Jan 2012 23:04:27 +0100 Thread-Topic: LF: opera 137 beacon going Thread-Index: AczP05UZv+KGTw1JRK6d1DagUAADmwAEDzL5 Message-ID: References: <3BD3153722394C9E9F82E099417C1957@AGB>, In-Reply-To: Accept-Language: nl-NL, nl-BE Content-Language: nl-BE X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: nl-NL, nl-BE MIME-Version: 1.0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: RE: LF: opera 137 beacon going Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable 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=TO_ADDRESS_EQ_REAL 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: 0:2:469102592:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d404c4f0cb6603d53 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Andy, good copy in JO20ix, on the 500kHz antenna. Also F5WK who is even audible. 73, Rik ON7YD - OR7T ________________________________________ Van: owner-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.org= ] namens Andy Talbot [andy.g4jnt@gmail.com] Verzonden: dinsdag 10 januari 2012 21:04 Aan: rsgb_lf_group@blacksheep.org Onderwerp: Re: LF: opera 137 beacon going 600 Watt of Rf to 7m high Tee with Gnd loss about 80 ohms. I reckon about -40dBi gain so call it a few tens of mW Andy On 10 January 2012 19:58, Graham wrote: > Reaching Gary with +7 dB in hand , what is the carrier power ? > > Be very interesting to see what the s/n would be from MAL > over similar range and similar path , with all that wire out > should be able to catch Andy's beacon into the +dB scale > > G.. > 18:49 136 G8IMR de G4WGT Op8 314 km -19 dB in Coppull, nr Preston > > -------------------------------------------------- > From: "Andy Talbot" > Sent: Tuesday, January 10, 2012 4:06 PM > To: > Subject: LF: opera 137 beacon going > >> Having had to modify a 137kHz source to be able to generate on-off >> keying, I'm transmitting a signal using 2.048s symbol mode on 137420Hz >> 33% duty cycle (for now) >> >> This is based around my PIC generator for the mode >> Details at http://www.g4jnt.com/PIC_Opera_Source.pdf and >> http://www.g4jnt.com/OperaBeacon.zip >> >> As its an independent source, with no PC in the Tx chain - no IP >> packets will be sent to t'web showing the details >> >> and its definitely gettign out.... >> >> 15:46 136 G8IMR de F6CNI Op8 391 km -28 dB in 136 kHz dial nr Paris >> >> >> Andy >> G4JNT >> >=