PDS_VERSION_ID               = PDS3
RECORD_TYPE                  = STREAM
DATA_SET_ID                  =  "MEX-M-MRS-1/2/3-MCO-0029-V1.0"
STANDARD_DATA_PRODUCT_ID     = ENB
PRODUCER_ID                  = "SUE"
PRODUCT_ID                   = "M00SUE0L1A_ENB_041021505_00.TXT"
PRODUCT_CREATION_TIME        =  2005-07-27T15:14:11.000
INSTRUMENT_HOST_ID           = "MEX"
OBJECT                       = TEXT
  PUBLICATION_DATE             = 2005-06-10
  NOTE                         = "MEX SUE Experimenter Notes"
END_OBJECT                   = TEXT
END


From gene.goltz@jpl.nasa.gov Mon Apr 12 07:45:47 2004
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Date: Mon, 12 Apr 2004 07:45:46 -0700
To: Dick Simpson 650-723-3525 <rsimpson@magellan.Stanford.EDU>
From: Gene Goltz <gene.goltz@jpl.nasa.gov>
Subject: MEX DOY 101 & 102 Occultation Data
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Status: RO


Dick,

The MEX Occultation on DOY 101 (pass 0314) was performed over DSS-65.  I
recorded and played back RSR open-loop data as follows:

     -  X-band, 2-way
     -  RSR1B1
     -  2 kHz, 16 bits
     -  start#1 = 08:38:11
     -  stop#1 = 09:20:00
     -  start#2 = 16:18:08
     -  stop#2 = 16:55:04
     -  SFDUs = 4,727

The MEX Occultation on DOY 102 (pass 0315) was performed over DSS-55.  I
recorded and played back RSR open-loop data as follows:

     -  X-band, 2-way
     -  RSR1B1
     -  2 kHz, 16 bits
     -  start = 15:03:15
     -  stop = 15:45:04
     -  SFDUs = 2,510

You should be able to query these data from the TDS at your leisure.


Regards,
Gene


From rsimpson Mon Apr 12 13:52:43 2004
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Date: Mon, 12 Apr 2004 13:52:40 -0700 (PDT)
From: Dick Simpson 650-723-3525 <rsimpson>
Message-Id: <200404122052.i3CKqeC25752@magellan.Stanford.EDU>
To: gene.goltz@jpl.nasa.gov, hinson@rocc.Stanford.EDU,
   joe@neptune.Stanford.EDU, len.tyler@stanford.Stanford.EDU,
   paetzold@geo.uni-koeln.de, rsimpson
Subject: DOY 102 MEX OCI - Revised Again
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Status: RO

Day 102 (DSS 55; X-band only)
-----------------------------

  15:30:03 SOE says begin 1-way; no change in signal
  15:33:48 SOE predicted Earth occultation
  15:34:46 SOE says SET DOWNLINK BAND: NONE
  15:34:51 Signal disappears

  There is very little in either the SOE or DKF about this
  occultation.

  Input levels to the A/D are about - 7 dB with respect to
  the maximum range and SNR is 50 dB/Hz.  There are weak
  spurs at +/-180 on either side of the carrier.  There is
  a 7 dB amplitude spike a few seconds before the signal
  disappears.

  There are no sidebands on the carrier at occultation;
  sidebands are common (but not always present) in MGS
  occultations.  Recent MGS occultations have SNR ~50 dB,
  so the MEX signal is similar to MGS despite the higher
  transmitter power on the spacecraft.

  This recording looks very much like the ones from days
  098-099.