Return-Path: Received: (qmail 16726 invoked from network); 16 Apr 2002 10:52:05 -0000 Received: from unknown (HELO murphys-inbound.services.quay.plus.net) (212.159.14.225) by excalibur.plus.net with SMTP; 16 Apr 2002 10:52:05 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: (qmail 20731 invoked from network); 16 Apr 2002 10:52:01 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys.services.quay.plus.net with SMTP; 16 Apr 2002 10:52:01 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 16xS0l-0003q2-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 16 Apr 2002 13:24:39 +0100 Received: from e21.nc.us.ibm.com ([32.97.136.227]) by post.thorcom.com with esmtp (Exim 3.33 #2) id 16xS0k-0003px-00 for rsgb_lf_group@blacksheep.org; Tue, 16 Apr 2002 13:24:38 +0100 Received: from southrelay01.raleigh.ibm.com (southrelay01.raleigh.us.ibm.com [9.37.3.208]) by e21.nc.us.ibm.com (8.12.2/8.12.2) with ESMTP id g3GAkWLQ143082 for ; Tue, 16 Apr 2002 06:46:32 -0400 Received: from usa.net (ss5.bld.socks.ibm.com [9.14.4.70]) by southrelay01.raleigh.ibm.com (8.11.1m3/NCO/VER6.1) with ESMTP id g3GAkUM60856 for ; Tue, 16 Apr 2002 06:46:31 -0400 Message-ID: <3CBC00FD.1F2C1C79@usa.net> Date: Tue, 16 Apr 2002 12:46:21 +0200 From: "Alberto di Bene" X-Mailer: Mozilla 4.79 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Phase meter for propagation experiment References: <01C1E536.029E0670.g4jnt@thersgb.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Andy talbot wrote: > [...] > Not sure if the Doppler shift due to orbital wobble will affect the modulation > in the same way it does carrier frequency. Are there any physicists out there > who can confirm this ? > [...] I think that the carrier of satellite TV is frequency modulated. If this is the case, the Doppler effect should affect also the modulation... 73 Alberto I2PHD