PDS_VERSION_ID                   = PDS3
LABEL_REVISION_NOTE              = "S. SLAVNEY, 2010-04-22"
RECORD_TYPE                      = STREAM

OBJECT                           = DATA_SET
 DATA_SET_ID                     = "MGS-M-MOLA-5-IEGDR-L3-V1.0"

 OBJECT                          = DATA_SET_INFORMATION
  DATA_SET_NAME                  = "MOLA INITIAL EXPERIMENT GRIDDED DATA 
                                   RECORD"
  DATA_SET_COLLECTION_MEMBER_FLG = "N"
  START_TIME                     = 1997-09-15T19:10:00.000
  STOP_TIME                      = 2000-06-02T16:51:07.180
  DATA_OBJECT_TYPE               = FILE
  DATA_SET_RELEASE_DATE          = 2000-07-03
  PRODUCER_FULL_NAME             = {"DAVID E. SMITH", "MARIA T. ZUBER",
                                    "GREGORY A. NEUMANN"}
  DETAILED_CATALOG_FLAG          = "N"
  DATA_SET_DESC                  = "

  Data Set Overview
  =================
   The Mars Global Surveyor (MGS) spacecraft included a laser altimeter
   instrument. The primary objective of the Mars Orbiter Laser
   Altimeter (MOLA) is to determine globally the topography of Mars at
   a level suitable for addressing problems in geology and geophysics.

   This data set is a topographic
   map of Mars at a resolution of 0.25 by 0.25 degrees, based on 
   altimetry data acquired by the Mars Global Surveyor MOLA 
   instrument and accumulated over the course of the mission so far. 
   The MOLA Precision Experiment Data Records (PEDRs) are the source
   for this data set. The map is in the form of an ASCII table with 
   one row for each 0.25 by 0.25 degree latitude-longitude bin, from 90 to 
   -90 degrees latitude and from 0 to 360 degrees longitude. The binned 
   data include all MOLA nadir observations from the Orbit Insertion
   phase, plus Mapping Phase nadir observations from the beginning of
   mapping through June 1, 2000 when MOLA was turned off for solar
   conjunction. Additionally, off-nadir observations of the north pole 
   during the Orbit Insertion Phase are included from 87 N latitude and 
   northward, taken during the spring of 1998, and of both poles taken
   in July of 1999, from 87 N and S to the poles.  Orbits 355 and 358 of 
   the Orbit Insertion Phase and parts of orbits 10709 through 10716, 
   inclusive, of the Mapping Phase are excluded because solutions for 
   these orbits are deemed to be poor. (Note: subtract 10000 from a MOLA 
   mapping phase orbit number to determine the equivalent MGS Project 
   orbit number.) Also excluded are shots more than 1 degree off-nadir 
   (except as noted above), channel 4 returns, and any returns not 
   classified as ground returns, e.g. clouds or noise, according to the 
   SHOT_CLASSIFICATION_CODE. A total of approximately 333 million 
   observations are represented."
   
  CONFIDENCE_LEVEL_NOTE           = "N/A"

 END_OBJECT                      = DATA_SET_INFORMATION

 OBJECT                          = DATA_SET_TARGET
  TARGET_NAME                    = MARS
 END_OBJECT                      = DATA_SET_TARGET

 OBJECT                          = DATA_SET_HOST
  INSTRUMENT_HOST_ID             = MGS
  INSTRUMENT_ID                  = MOLA
 END_OBJECT                      = DATA_SET_HOST

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "ABSHIREETAL2000"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION
 
 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "AFZALETAL1997"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "DAVIESETAL1996"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "IVANOV&MUHLEMAN1998"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "LEMOINEETAL2001"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "MOLAPEDRSIS2003"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION
 
 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "NEUMANNETAL2001"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION
 
 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "NEUMANNETAL2003"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION
 
 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "SEIDELMANNETAL2002"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "SMITH&ZUBER1998"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "SMITHETAL1998"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "SMITHETAL1999"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "SMITHETAL2001A"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "SMITHETAL2001B"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "WU1991"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "ZEITLER&OBERST1999"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

 OBJECT                          = DATA_SET_REFERENCE_INFORMATION
  REFERENCE_KEY_ID               = "ZUBERETAL1992"
 END_OBJECT                      = DATA_SET_REFERENCE_INFORMATION

END_OBJECT                       = DATA_SET

END