PDS_VERSION_ID                  = PDS3
RECORD_TYPE                     = FIXED_LENGTH
FILE_RECORDS                    = 351
RECORD_BYTES                    = 149


^TABLE                          = "LOG.TAB"
DATA_SET_ID                     = "NEAR-A-NLR-5-CDR-EROS/ORBIT-V1.0"
PRODUCT_ID                      = "NLR-LOG.TAB"
SPACECRAFT_NAME                 = "NEAR EARTH ASTEROID RENDEZVOUS"
INSTRUMENT_ID                   = NLR
INSTRUMENT_NAME                 = "NEAR LASER RANGEFINDER"
TARGET_NAME                     = EROS
START_TIME                      = 2000-01-01T18:30:00
STOP_TIME                       = 2001-02-12T19:04:01
PRODUCT_CREATION_TIME           = 2001-04-30
PRODUCER_FULL_NAME              = "DAVID E. SMITH"
PRODUCER_INSTITUTION_NAME       = "GODDARD SPACE FLIGHT CENTER"


OBJECT                          = TABLE
  ROWS                          = 351
  COLUMNS                       = 8
  ROW_BYTES                     = 149
  INTERCHANGE_FORMAT            = ASCII
  DESCRIPTION                   = "The table contains the start times
    and basic parameters for the start of collection of each
    observation set by the NEAR NLR.  The comma delimited data
    require 147 ASCII characters; these are followed by an ASCII
    carriage-return, and an ASCII line-feed."


  OBJECT                        = COLUMN
   COLUMN_NUMBER                = 1
   NAME                         = "UT"
   DATA_TYPE                    = TIME
   START_BYTE                   = 1
   BYTES                        = 17
   FORMAT                       = "A17"
   DESCRIPTION                  = "Universal time at the commanded
     start of each operation in ISO Day-of-Year format
     (YYYY-DOYTHH:MM:SS), where YYYY is the calendar year in which
     the observation commenced; DOY is day of year (001-366) on which
     observation commenced; HH is 0-24 hours; MM is minutes;
     SS is seconds." 
   END_OBJECT                   = COLUMN


   OBJECT                       = COLUMN
    COLUMN_NUMBER               = 2
    NAME                        = "NLR COMMAND"
    DATA_TYPE                   = CHARACTER
    START_BYTE                  = 20
    BYTES                       = 26
    FORMAT                      = "A26"
    DESCRIPTION                 = "Mode of NLR operation; sets mode
      of data collection. Values include NLR-OPERATE,
      NLR-AUTO-ACQUIRE, NLR-NADIR-POINT-SHOOT,
      NLR-OFF-NADIR-POINT-SHOOT, NLR-NADIR-SCAN-SHOOT, and
      NLR-OFF-NADIR-SCAN-SHOOT."
   END_OBJECT                   = COLUMN


   OBJECT                       = COLUMN
    COLUMN_NUMBER               = 3
    NAME                        = "NLR ATTITUDE CONTROL"
    DATA_TYPE                   = CHARACTER
    START_BYTE                  = 49
    BYTES                       = 3
    FORMAT                      = "A3"
    DESCRIPTION                 = "Describes whether or not the NLR
      instrument was controlling the spacecraft attitude.  Values
      are yes or no."
   END_OBJECT                   = COLUMN


   OBJECT                       = COLUMN
    COLUMN_NUMBER               = 4
    NAME                        = "NLR MODE"
    DATA_TYPE                   = CHARACTER
    START_BYTE                  = 55
    BYTES                       = 18
    FORMAT                      = "A18"
    DESCRIPTION                 = "When NLR controls attitude, the
      column specifies whether data collection was nadir pointing,
      scanning about nadir, off-nadir, or off-nadir scanning.
      When the mode is riding-on, the NLR collected data
      while another instrument controlled spacecraft attitude."
   END_OBJECT                   = COLUMN


   OBJECT                       = COLUMN
    COLUMN_NUMBER               = 5
    NAME                        = "THRESHOLD"
    DATA_TYPE                   = CHARACTER
    START_BYTE                  = 76
    BYTES                       = 9
    FORMAT                      = "A9"
    UNIT                        = "MILLIVOLT"
    DESCRIPTION                 = "NLR minimum detection limit, in
      millivolts (MV).  NO CHANGE and VARIOUS are also possible
      values."
   END_OBJECT                   = COLUMN


   OBJECT                       = COLUMN
    COLUMN_NUMBER               = 6
    NAME                        = "RATE"
    DATA_TYPE                   = ASCII_INTEGER
    START_BYTE                  = 87
    BYTES                       = 1
    FORMAT                      = "I1"
    UNIT                        = "HERTZ"
    NOT_APPLICABLE_CONSTANT     = " "
    DESCRIPTION                 = "Describes frequency of data
      collection in Hertz (Hz).  Values include 1, 2, and 8.
      This field is blank when the record refers to an Orbit
      Change Manoeuver (OCM)."
   END_OBJECT                   = COLUMN


   OBJECT                       = COLUMN
    COLUMN_NUMBER               = 7
    NAME                        = "EVENT"
    DATA_TYPE                   = CHARACTER
    START_BYTE                  = 90
    BYTES                       = 6
    FORMAT                      = "A6"
    DESCRIPTION                 = "Special events, such as Orbital
      Change Manoeuvers (OCM)."
   END_OBJECT                   = COLUMN


   OBJECT                       = COLUMN
    COLUMN_NUMBER               = 8
    NAME                        = "ORBIT"
    DATA_TYPE                   = CHARACTER
    START_BYTE                  = 99
    BYTES                       = 48
    FORMAT                      = "A48"
    UNIT                        = "KILOMETER"
    DESCRIPTION                 = "Major orbit changes, such as going
      from one orbit to another, in kilometers."
   END_OBJECT                   = COLUMN


END_OBJECT                      = TABLE

END