PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2007-07-31 NOTE = " E-mail and other messages concerning MGS Radio Science on or about 2006/058." END_OBJECT = TEXT END From sami.asmar@jpl.nasa.gov Thu Feb 23 14:27:10 2006 Return-Path: Received: from nmta2.jpl.nasa.gov (nmta.jpl.nasa.gov [137.78.160.215]) by magellan.stanford.edu (8.11.7p1+Sun/8.11.7) with ESMTP id k1NMRAF20053 for ; Thu, 23 Feb 2006 14:27:10 -0800 (PST) Received: from xmta1.jpl.nasa.gov (xmta1.jpl.nasa.gov [137.78.160.144]) by nmta2.jpl.nasa.gov (Switch-3.1.7/Switch-3.1.7) with ESMTP id k1NMR9mC024590; Thu, 23 Feb 2006 14:27:10 -0800 Received: from SAMI.jpl.nasa.gov (sami.jpl.nasa.gov [137.78.84.97]) by xmta1.jpl.nasa.gov (Switch-3.1.7/Switch-3.1.7) with ESMTP id k1NMR85R028938; Thu, 23 Feb 2006 14:27:09 -0800 Message-Id: <6.2.1.2.2.20060223142412.05f27848@mail.jpl.nasa.gov> X-Mailer: QUALCOMM Windows Eudora Version 6.2.1.2 Date: Thu, 23 Feb 2006 14:25:23 -0800 To: "Charles C. Wang" , Scott.Bryant@jpl.nasa.gov From: Sami Asmar Subject: MEX interfering with MGS Cc: Miles.K.Sue@jpl.nasa.gov, Thomas.E.Thorpe@jpl.nasa.gov, rsimpson@magellan.stanford.edu, rs@list.jpl.nasa.gov In-Reply-To: <5.2.0.9.2.20060223095513.02c37750@mail.jpl.nasa.gov> References: <5.2.0.9.2.20060223095513.02c37750@mail.jpl.nasa.gov> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Source-IP: sami.jpl.nasa.gov [137.78.84.97] X-Source-Sender: sami.asmar@jpl.nasa.gov X-AUTH: Internal IP Content-Length: 888 Status: RO Charles, Thank you for this information. Sami At 10:11 AM 2/23/2006, Charles C. Wang wrote: >Scott and Sami, > >In May 2005, MGS's radio science one-way downlink at Channel 20 was likely >interfered by MEX's spurious carriers. The potential interference >occurred when one of MEX's spurious carriers, which relate closely with >the MEX downlink data rates, falls near the center frequency of MGS's >downlink at Channel 20. ESA has just informed us that MEX is currently >transmitting at a data rate that could potentially cause the same problem >to MGS's downlink again. The current potential interference period >started on 2/15/06 and will end on 2/27/06. This potential problem may >arise again in August 2007 and again sometime in 2008. > >Sorry for the late notification and hope you have not observed any >problems in these couple of weeks. > >Charles (3-9222) -------------------------------------------------------------------------- From aseel@airmail.fltops.jpl.nasa.gov Tue Feb 28 13:26:15 2006 Received: from leland3.Stanford.EDU (leland3.Stanford.EDU [171.67.16.108]) by magellan.stanford.edu (8.11.7p1+Sun/8.11.7) with ESMTP id k1SLQEd24189 for ; Tue, 28 Feb 2006 13:26:14 -0800 (PST) Received: from airmail.fltops.jpl.nasa.gov (airmail2.fltops.jpl.nasa.gov [137.228.96.27]) by leland3.Stanford.EDU (8.12.11/8.12.11) with ESMTP id k1SLQ1EM024663; Tue, 28 Feb 2006 13:26:16 -0800 Received: from rsops2.fltops.jpl.nasa.gov (rsops2.fltops.jpl.nasa.gov [137.228.136.22]) by airmail.fltops.jpl.nasa.gov (Postfix) with ESMTP id E6B1410902; Tue, 28 Feb 2006 13:24:15 -0800 (PST) Received: from rsops2.fltops.jpl.nasa.gov (localhost [127.0.0.1]) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8) with ESMTP id k1SLQ1PC016800; Tue, 28 Feb 2006 21:26:01 GMT Received: (from aseel@localhost) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8/Submit) id k1SLQ1R9016799; Tue, 28 Feb 2006 21:26:01 GMT Date: Tue, 28 Feb 2006 21:26:01 GMT From: aseel anabtawi Message-Id: <200602282126.k1SLQ1R9016799@rsops2.fltops.jpl.nasa.gov> Content-Type: text To: undisclosed-recipients:; DSS: 14 RSR: RSR1A Subchannel: 1 Orbit Number: 31159 Occultation Sense: e SOE: mm469a.32.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/058-03:40:00 End Record: 2006/058-03:53:00 DSS: 14 RSR: RSR1A Subchannel: 1 Orbit Number: 31160 Occultation Sense: e SOE: mm469a.32.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/058-05:38:00 End Record: 2006/058-05:50:00 DSS: 14 RSR: RSR1A Subchannel: 1 Orbit Number: 31161 Occultation Sense: e SOE: mm469a.32.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/058-07:36:00 End Record: 2006/058-07:48:00 -------------------------------------------------------------------------- From aseel@airmail.fltops.jpl.nasa.gov Tue Feb 28 13:26:15 2006 Received: from leland4.Stanford.EDU (leland4.Stanford.EDU [171.67.12.80]) by magellan.stanford.edu (8.11.7p1+Sun/8.11.7) with ESMTP id k1SLQFd24198 for ; Tue, 28 Feb 2006 13:26:15 -0800 (PST) Received: from airmail.fltops.jpl.nasa.gov (airmail2.fltops.jpl.nasa.gov [137.228.96.27]) by leland4.Stanford.EDU (8.12.11/8.12.11) with ESMTP id k1SLQEx7002077; Tue, 28 Feb 2006 13:26:14 -0800 Received: from rsops2.fltops.jpl.nasa.gov (rsops2.fltops.jpl.nasa.gov [137.228.136.22]) by airmail.fltops.jpl.nasa.gov (Postfix) with ESMTP id 440F110903; Tue, 28 Feb 2006 13:24:17 -0800 (PST) Received: from rsops2.fltops.jpl.nasa.gov (localhost [127.0.0.1]) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8) with ESMTP id k1SLQ2PC016846; Tue, 28 Feb 2006 21:26:02 GMT Received: (from aseel@localhost) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8/Submit) id k1SLQ2qq016845; Tue, 28 Feb 2006 21:26:02 GMT Date: Tue, 28 Feb 2006 21:26:02 GMT From: aseel anabtawi Message-Id: <200602282126.k1SLQ2qq016845@rsops2.fltops.jpl.nasa.gov> Content-Type: text To: undisclosed-recipients:; DSS: 43 RSR: RSR1A Subchannel: 1 Orbit Number: 31161 Occultation Sense: e SOE: mm469a.32.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/058-07:36:00 End Record: 2006/058-07:48:00 -------------------------------------------------------------------------- From aseel@airmail.fltops.jpl.nasa.gov Tue Feb 28 13:27:01 2006 Received: from leland.Stanford.EDU (leland.Stanford.EDU [171.67.16.29]) by magellan.stanford.edu (8.11.7p1+Sun/8.11.7) with ESMTP id k1SLR1d24212 for ; Tue, 28 Feb 2006 13:27:01 -0800 (PST) Received: from airmail.fltops.jpl.nasa.gov (airmail2.fltops.jpl.nasa.gov [137.228.96.27]) by leland.Stanford.EDU (8.12.11/8.12.11) with ESMTP id k1SLR2AW019536; Tue, 28 Feb 2006 13:27:02 -0800 Received: from rsops2.fltops.jpl.nasa.gov (rsops2.fltops.jpl.nasa.gov [137.228.136.22]) by airmail.fltops.jpl.nasa.gov (Postfix) with ESMTP id 5C9A410902; Tue, 28 Feb 2006 13:25:16 -0800 (PST) Received: from rsops2.fltops.jpl.nasa.gov (localhost [127.0.0.1]) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8) with ESMTP id k1SLR1PC016942; Tue, 28 Feb 2006 21:27:01 GMT Received: (from aseel@localhost) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8/Submit) id k1SLR1po016941; Tue, 28 Feb 2006 21:27:01 GMT Date: Tue, 28 Feb 2006 21:27:01 GMT From: aseel anabtawi Message-Id: <200602282127.k1SLR1po016941@rsops2.fltops.jpl.nasa.gov> Content-Type: text To: undisclosed-recipients:; DSS: 65 RSR: RSR1A Subchannel: 1 Orbit Number: 31166 Occultation Sense: e SOE: mm469a.32.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/058-17:25:00 End Record: 2006/058-17:37:00 DSS: 65 RSR: RSR1A Subchannel: 1 Orbit Number: 31167 Occultation Sense: e SOE: mm469a.32.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/058-19:22:00 End Record: 2006/058-19:35:00 DSS: 65 RSR: RSR1A Subchannel: 1 Orbit Number: 31168 Occultation Sense: e SOE: mm469a.32.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/058-21:20:00 End Record: 2006/058-21:32:00 DSS: 65 RSR: RSR1A Subchannel: 1 Orbit Number: 31169 Occultation Sense: e SOE: mm469a.32.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/058-23:18:00 End Record: 2006/058-23:30:00