Return-Path: Received: from mtain-ma11.r1000.mx.aol.com (mtain-ma11.r1000.mx.aol.com [172.29.96.19]) by air-dd10.mail.aol.com (v129.4) with ESMTP id MAILINDD102-86384d510add225; Tue, 08 Feb 2011 04:20:29 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-ma11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 51EFD380000B9; Tue, 8 Feb 2011 04:20:27 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PmjjH-00030d-6T for rs_out_1@blacksheep.org; Tue, 08 Feb 2011 09:19:23 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PmjjG-00030U-N3 for rsgb_lf_group@blacksheep.org; Tue, 08 Feb 2011 09:19:22 +0000 Received: from cavuit02.kulnet.kuleuven.be ([134.58.240.44]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PmjjE-0005lp-2b for rsgb_lf_group@blacksheep.org; Tue, 08 Feb 2011 09:19:22 +0000 Received: from smtps01.kuleuven.be (smtpshost01.kulnet.kuleuven.be [134.58.240.74]) by cavuit02.kulnet.kuleuven.be (Postfix) with ESMTP id 723DA51C014 for ; Tue, 8 Feb 2011 10:18:57 +0100 (CET) Received: from ICTS-S-HUB-N3.luna.kuleuven.be (icts-s-hub-n3.luna.kuleuven.be [10.112.9.13]) by smtps01.kuleuven.be (Postfix) with ESMTP id 7DF9831E705 for ; Tue, 8 Feb 2011 10:18:57 +0100 (CET) Received: from ICTS-S-EXC2-CA.luna.kuleuven.be ([10.112.11.13]) by ICTS-S-HUB-N3.luna.kuleuven.be ([10.112.9.13]) with mapi; Tue, 8 Feb 2011 10:18:56 +0100 X-Kuleuven: This mail passed the K.U.Leuven mailcluster From: Rik Strobbe To: "rsgb_lf_group@blacksheep.org" Date: Tue, 8 Feb 2011 10:14:45 +0100 Thread-Topic: LF: Re: Re: OE5ODL over different paths Thread-Index: AcvHbI7SOSwWwnsjSAWB/ZLQIiIZAQABBHLE Message-ID: References: <252130CB355C48E4BC32BA23475FEF68@White> <001101cbc71f$b57f3f00$0401a8c0@xphd97xgq27nyf>,<74525E07-772E-4308-AE0B-7188983FD13B@numeo.fr> In-Reply-To: <74525E07-772E-4308-AE0B-7188983FD13B@numeo.fr> 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-KULeuven-Information: Katholieke Universiteit Leuven X-KULeuven-Scanned: Found to be clean X-KULeuven-Envelope-From: rik.strobbe@fys.kuleuven.be X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: RE: LF: Re: Re: OE5ODL over different paths Content-Type: multipart/alternative; boundary="_000_BF4A524700075746A6467658DFC7102C88715AEB8CICTSSEXC2CAlu_" 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_20_30,HTML_FONTCOLOR_BLUE, HTML_MESSAGE,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-sid: 3039ac1d60134d510adb110a X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --_000_BF4A524700075746A6467658DFC7102C88715AEB8CICTSSEXC2CAlu_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable You seem to have identified three major variables in Ossi's experiments:= propagation effects, the antenna current and the inclination of the anten= na. They may or may not be connected. Jim's graph shows a periodicity of about 1.4 cycles per hour*. Would it be= possible with suitable mathematical techniques (FFT, deconvolution etc)= to analyse his raw data with a view to separating the three effects? Hello John, antenna current and antenna inclination (both affecting the ERP) should ha= ve an identical effect at all RX locations. As Markus pointed out the sign= al minima and maxima are different at various locations, most likely due= to propagation. 73, Rik ON7YD - OR7T --_000_BF4A524700075746A6467658DFC7102C88715AEB8CICTSSEXC2CAlu_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

You seem to have identified three major var= iables in Ossi's experiments: propagation effects, the antenna current and= the inclination of the antenna.  They may or may not be connected. Jim's graph shows a periodicity of about 1.4 cycles per hour*. Would it be= possible with suitable mathematical techniques (FFT, deconvolution etc)&n= bsp; to analyse his raw data with a view to separating the three effects?<= br>
Hello John,

 

antenna current and antenna inclination= (both affecting the ERP) should have an identical effect at all RX locati= ons. As Markus pointed out the signal minima and maxima are different at= various locations, most likely due to propagation.

 

73, Rik  ON7YD - OR7T

 

 

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