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 2002/063." END_OBJECT = TEXT END From sami.asmar@jpl.nasa.gov Mon Mar 4 10:57:44 2002 Received: from eis-msg-012.jpl.nasa.gov (eis-msg-012.jpl.nasa.gov [137.78.160.40]) by magellan.stanford.edu (8.11.6/8.11.6) with ESMTP id g24IvhZ13092; Mon, 4 Mar 2002 10:57:43 -0800 (PST) Received: from sami.jpl.nasa.gov (asmar-nt.jpl.nasa.gov [137.78.177.111]) by eis-msg-012.jpl.nasa.gov (8.12.1/8.12.1) with ESMTP id g24Ivhol008656; Mon, 4 Mar 2002 10:57:43 -0800 (PST) Message-Id: <5.1.0.14.2.20020304105219.01f74b68@pop.jpl.nasa.gov> X-Sender: asmar@pop.jpl.nasa.gov X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Mon, 04 Mar 2002 10:57:32 -0800 To: aseel@godzilla.jpl.nasa.gov, ask@krait.jpl.nasa.gov, dny@krait.jpl.nasa.gov, dsmith@tharsis.gsfc.nasa.gov, hinson@rocc.stanford.edu, joe@nova.stanford.edu, kusza@magellan.stanford.edu, len@nova.stanford.edu, rsimpson@magellan.stanford.edu, wls@nomad.jpl.nasa.gov, zuber@tharsis.gsfc.nasa.gov From: Sami Asmar Subject: MGS Telemetry Back In-Reply-To: <200203041833.g24IXqo12765@magellan.stanford.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Content-Length: 415 Status: RO The Project Manager just informed that they received all the telemetry last night after a tough weekend of signal acquisition due to combination of unexplained shift of 29 kHz in the one-way signal and coning. The spacecraft is fine and stationary some 10 degrees off sun-pointing. They will get it spinning today to point the HGA to earth and try to resume the background sequence by Wednesday. Sami -------------------------------------------------------------------------- From sami.asmar@jpl.nasa.gov Mon Mar 4 10:59:30 2002 Received: from eis-msg-012.jpl.nasa.gov (eis-msg-012.jpl.nasa.gov [137.78.160.40]) by magellan.stanford.edu (8.11.6/8.11.6) with ESMTP id g24IxTZ13121; Mon, 4 Mar 2002 10:59:29 -0800 (PST) Received: from sami.jpl.nasa.gov (asmar-nt.jpl.nasa.gov [137.78.177.111]) by eis-msg-012.jpl.nasa.gov (8.12.1/8.12.1) with ESMTP id g24IxUon009074; Mon, 4 Mar 2002 10:59:30 -0800 (PST) Message-Id: <5.1.0.14.2.20020304105844.01f74de8@pop.jpl.nasa.gov> X-Sender: asmar@pop.jpl.nasa.gov X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Mon, 04 Mar 2002 10:59:13 -0800 To: aseel@godzilla.jpl.nasa.gov, ask@krait.jpl.nasa.gov, dny@krait.jpl.nasa.gov, dsmith@tharsis.gsfc.nasa.gov, hinson@rocc.stanford.edu, joe@nova.stanford.edu, kusza@magellan.stanford.edu, len@nova.stanford.edu, rsimpson@magellan.stanford.edu, wls@nomad.jpl.nasa.gov, zuber@tharsis.gsfc.nasa.gov From: Sami Asmar Subject: Fwd: MGS Status, March 4, 2002 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Content-Length: 1049 Status: RO > >The MGS spacecraft is currently pointed in the sun's direction with the > >HGA offpointed 10 deg. from earth. The next step in the recovery process > >is to begin rotation to enable the STAREX convergence and return to nadir > >orientation. DSN 70 m antenna tracking will be used with LGA until this > >configuration is reached later today. Then, HGA communications will permit > >returning to 34 m tracking. > > > >Over the weekend, recovery of the nominal attitude was challenged by the > >contingency mode script (enabled after 24h in C-mode) which cycles the > >transponders (1,2) and LGA receivers(1,2) every 100 minutes in addition to > >the 42 minute coning period and occultation interruptions every 80 > >minutes. Memory readouts were completed yesterday, confirming the sun > >monitor tripping of C-mode entry at DOY58 20.54.50 following the scale > >factor update. > > > >By late tomorrow, following recorder playbacks,the science instruments > >should be powered up, and nominal data gathering sequences activated on > >Wednesday. -------------------------------------------------------------------------- From Eugene.E.Brower@jpl.nasa.gov Mon Mar 4 15:16:49 2002 Received: from eis-msg-012.jpl.nasa.gov (eis-msg-012.jpl.nasa.gov [137.78.160.40]) by magellan.stanford.edu (8.11.6/8.11.6) with ESMTP id g24NGmZ19076 for ; Mon, 4 Mar 2002 15:16:48 -0800 (PST) Received: from [128.149.231.143] (dhcp-78-144-239.jpl.nasa.gov [137.78.144.239]) by eis-msg-012.jpl.nasa.gov (8.12.1/8.12.1) with ESMTP id g24NGjol005620; Mon, 4 Mar 2002 15:16:45 -0800 (PST) Mime-Version: 1.0 X-Sender: ebrower@pop.jpl.nasa.gov Message-Id: Date: Mon, 4 Mar 2002 16:16:50 -0700 To: MGS Dist:; From: Gene Brower Subject: MGS Recovery Status (Monday 3/4) Content-Type: text/plain; charset="us-ascii" ; format="flowed" Content-Length: 401 Status: RO ALL: Due to the lack of DSN 70-Meter coverage, Inertial Reference is now planned to be established over the DSS 63 support on DOY 064, with the Mini-Sequence to return to NADIR with HGA uplink/downlink to execute sometime mid-morning Tuesday over the same DSS 63 support. Next Status update will be at the Mission Planning Meeting Tuesday morning. On the MGS MeetMe Line: (818) 393-4544 -Gene