PDS_VERSION_ID        = PDS3
RECORD_TYPE           = STREAM
OBJECT                = TEXT
 PUBLICATION_DATE     = 2007-07-27
 NOTE                 = " E-mail and other messages
                          concerning MGS Radio Science on
                          or about 1998/184."
END_OBJECT            = TEXT
END


From trish@rodan.jpl.nasa.gov Fri Jul  3 10:23:24 1998
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Date: 03 Jul 98 10:30:29 -0700
From: Trish Priest <trish@rodan.jpl.nasa.gov>
Subject: Periapsis 404 Gravity
To: Sami Asmar <Sami.W.Asmar@jpl.nasa.gov>,
        Georges Balmino <balmino@pontos.cnes.fr>,
        Paula Eshe <Paula.M.Eshe@jpl.nasa.gov>,
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Status: R

Hello,

Periapsis 404 occurred at DSS 65. This is the first gravity measurement
since Periapsis 398 due to the periapsis timing with respect to the
tracking coverage.  This week will be another MOLA tilt week.

Times of interest (all UTC ERT):

184-14:59:20  switch to LGA
184-15:09:57  ISH - begin slew to NADIR
184-15:16:50  receivers in lock on LGA signal ONE-way (approximate)
184-15:41:57  Periapsis 404
184-15:53:59  ISH - begin rollout
184-15:57:30  receiver out of lock before this time
184-16:13:59  ANS
184-16:25:50  switch back to HGA

The next gravity pass is Periapsis 406 (approximately 185-14:57 UTC ERT).

-Trish