PDS_VERSION_ID               = PDS3
RECORD_TYPE                  = STREAM
STANDARD_DATA_PRODUCT_ID     = HEA
DATA_SET_ID                  =  "MEX-M-MRS-1/2/3-EXT6-3894-V1.0"
PRODUCT_ID                   = "M00SUE0L1A_HEA_170350932_00.TXT"
PRODUCT_CREATION_TIME        =  2017-11-10T07:53:00.000
PRODUCER_ID                  = "SUE"
INSTRUMENT_HOST_ID           = "MEX"
OBJECT                       = TEXT
PUBLICATION_DATE               = 2017-02-07
NOTE                           = "DSN MEX OCC Data Report"
END_OBJECT                   = TEXT
END


Miscellaneous
=============

     This is the first report since HEAH024A.TXT.

     The current DSN schedule shows no further MEX open-loop radio science
activity through the middle of April.

     We understand from notes distributed after the MEX SWT in Kiruna (31
January - 2 February) that there will be no science and no S-Band
transmitter operation during the July-August 2017 solar conjunction, which
implies no MaRS SCO data collection.  The concern is spacecraft battery
life.


Open Loop Data
==============

     We have completed quick-look processing on the following MEX RSR open
loop radio occultation data at Stanford.

DOY DSS        RSR        BAND RSR CH KSPS BT  REC   RECS      RSR      MAX
          START    STOP         ID         RS  LEN          FILE NAME   SNR
--- --- -------- -------- ---- --- -- ---- -- ----- ----- ------------ -----
 21  15 02:39:01 03:24:00 X/XR   4  1    2 16  8260  2700 H021023A.RSR  54.2
 21  15 02:39:01 03:24:00 X/SR   3  1    2 16  8260  2700 H021023B.RSR  36.9
 21  15 23:38:01 00:23:00 X/XR   4  1    2 16  8260  2700 H021233A.RSR  13.0
 21  15 23:38:01 00:23:00 X/SR   3  1    2 16  8260  2700 H021233B.RSR   0.0
 30  15 03:34:01 04:19:00 X/XR   4  1    2 16  8260  2700 H030033A.RSR  53.0
 30  15 03:34:01 04:19:00 X/SR   3  1    2 16  8260  2700 H030033B.RSR  34.0
 35  43 09:32:01 10:17:00 X/XR   4  1    2 16  8260  2700 H035093A.RSR  58.9
 35  43 09:32:01 10:17:00 X/SR   3  1    2 16  8260  2700 H035093B.RSR  43.5
 35  65 16:31:01 17:17:00 X/XR   2  1    2 16  8260  2760 H035163A.RSR  49.2
 35  65 16:31:01 17:17:00 X/SR   1  1    2 16  8260  2760 H035163B.RSR  34.9
 36  63 13:34:01 14:16:00 X/XR   2  1    2 16  8260  2520 H036133A.RSR  60.1
 36  63 13:34:01 14:16:00 X/SR   1  1    2 16  8260  2520 H036133B.RSR  43.7

  Anomalies - Occultations
  ------------------------

     On day 021, data from the second occultation (start time 23:38:01) were
collected with the wrong set of RSR tuning predicts.  Those data are not
usable for science.

     An occultation originally scheduled for DSS 15 on day 023 between 02:40
and 04:25 was not captured because the pass was converted to one-way.

     On day 035, data from the second occultation (start time 16:31:01)
have variable baseline amplitudes (+/-0.5 dB at X-Band).  The S-Band effects
are less, but visible in quick-look plots.  An increase in noise level after
ingress appears synchronously in both channels.  These symptoms suggest
weather related chnges in the near-Earth propagation path.  Impact on the
science processing may be small, especially since the occultation itself
seems to occur within a time window of about +/-6 minutes when disturbances
were minimal.

     The other data appear to be nominal (and good).