PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 373 FILE_RECORDS = 6585 ^INDEX_TABLE = "CUMINDEX.TAB" OBJECT = INDEX_TABLE INTERCHANGE_FORMAT = ASCII ROW_BYTES = 373 ROWS = 6585 COLUMNS = 28 INDEX_TYPE = CUMULATIVE DATA_SET_ID = "VL1/VL2-M-LCS-2-EDR-V1.0" PRODUCT_CREATION_TIME = 1997-06-18 DESCRIPTION = "This index file lists information about Viking Lander EDR image products acquired by both Viking Lander 1 and 2." OBJECT = COLUMN NAME = VOLUME_ID DATA_TYPE = CHARACTER START_BYTE = 2 BYTES = 7 DESCRIPTION = "The volume_id element provides a unique identifier for a data volume. Example: VL_0001." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_SPECIFICATION_NAME DATA_TYPE = CHARACTER START_BYTE = 12 BYTES = 15 DESCRIPTION = "This element provides all information needed to identify the location of a file on a data volume, including directory (relative to the root directory) and file names." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_ID DATA_TYPE = CHARACTER START_BYTE = 30 BYTES = 10 DESCRIPTION = "The product_id element provides a unique identifier for a data product. Product_id for a Viking Lander EDR image has the following form: lcxnnn-xxx, where l is the lander number, c is the camera number, x is a letter sequence from A to J, nnn is a number sequence from 000 to 255, and xxx is an abbreviation for the filter. An example is 12A001-BB1." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_NAME DATA_TYPE = CHARACTER START_BYTE = 43 BYTES = 15 DESCRIPTION = "This element lists the full name of a spacecraft that acquired the data product. Values are VIKING_LANDER_1 OR VIKING_LANDER_2." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_NAME DATA_TYPE = CHARACTER START_BYTE = 61 BYTES = 8 DESCRIPTION = "This element lists the full name of an instrument that acquired the data product. Values are CAMERA_1 or CAMERA_2." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MISSION_PHASE_NAME DATA_TYPE = CHARACTER START_BYTE = 72 BYTES = 20 DESCRIPTION = "The mission_phase_name is the commonly- used identifier for a given phase during a mission. Examples are PRIMARY_MISSION and EXTENDED_MISSION." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME DATA_TYPE = CHARACTER START_BYTE = 95 BYTES = 6 DESCRIPTION = "This element identifies the target. Values are MARS, SUN, PHOBOS, DEIMOS, or N/A. The N/A value is used for scan verification and internal calibration images." END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_TIME DATA_TYPE = TIME START_BYTE = 104 BYTES = 20 DESCRIPTION = "Start_time is the UTC date and time of the beginning of an image. The format is yyyy-mm-ddThh:mm:ssZ." END_OBJECT = COLUMN OBJECT = COLUMN NAME = STOP_TIME DATA_TYPE = TIME START_BYTE = 127 BYTES = 20 DESCRIPTION = "Stop_time is the UTC date and time of the end of an image. The format is yyyy-mm-ddThh:mm:ssZ." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOCAL_TIME DATA_TYPE = ASCII_REAL START_BYTE = 149 BYTES = 5 FORMAT = "F5.2" UNIT = HOURS DESCRIPTION = "This is the local time of day at the start of image acquisition. It is measured in hours from midnight. One hour is one twenty-fourth of a solar day." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PLANET_DAY_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 155 BYTES = 4 FORMAT = "I4" DESCRIPTION = "This is the number of days since the landing day for the Viking Lander. This element is also known as sol number. The planet_day_number is zero for the landing day." END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_AZIMUTH DATA_TYPE = ASCII_REAL START_BYTE = 160 BYTES = 5 FORMAT = "F5.1" UNIT = DEGREES DESCRIPTION = "The azimuth that a Viking Lander camera was commanded to start scanning an image. It is given in the camera aligned coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = STOP_AZIMUTH DATA_TYPE = ASCII_REAL START_BYTE = 166 BYTES = 5 FORMAT = "F5.1" UNIT = DEGREES DESCRIPTION = "The azimuth that a Viking Lander camera was commanded to stop scanning an image. It is given in the camera aligned coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_ELEVATION DATA_TYPE = ASCII_REAL START_BYTE = 172 BYTES = 5 FORMAT = "F5.1" UNIT = DEGREES DESCRIPTION = "The commanded center elevation of an image. Depending on the value of sampling_parameter_interval, the camera scanned either about 20 degrees or 60 degrees in elevation." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OBSERVATION_TYPE DATA_TYPE = CHARACTER START_BYTE = 179 BYTES = 23 DESCRIPTION = "This element describes the general type of observation, such as color triplet or high resolution single channel observations." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_NAME DATA_TYPE = CHARACTER START_BYTE = 205 BYTES = 9 DESCRIPTION = "The commonly used name for a camera filter. Examples include BB1, SURVEY, RED, and IR1." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAMPLING_PARAMETER_INTERVAL DATA_TYPE = ASCII_REAL START_BYTE = 216 BYTES = 4 FORMAT = "F4.2" UNIT = DEGREES DESCRIPTION = "This element is the spacing between samples (i.e., pixels) in a Viking Lander image. It has values of 0.04 or 0.12 degrees." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OFFSET_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 221 BYTES = 2 FORMAT = "I2" DESCRIPTION = "A number indicating which preset offset value was used in the analog to digital conversion process. The offset was a given voltage applied to the measured value. The Viking Lander cameras had 32 commandable offsets." END_OBJECT = COLUMN OBJECT = COLUMN NAME = GAIN_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 224 BYTES = 1 FORMAT = "I1" DESCRIPTION = "A number indicating which preset gain value was used in the analog to digital conversion process. The gain was a multiplicative factor applied to the measured value. The Viking Lander cameras had 6 commandable gains." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DETECTOR_TEMPERATURE DATA_TYPE = ASCII_REAL START_BYTE = 226 BYTES = 5 FORMAT = "F5.1" DESCRIPTION = "The average temperature of the instrument detector at the time of observation. It is given in degrees Celsius." END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_RESCAN_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 232 BYTES = 4 FORMAT = "I4" DESCRIPTION = "This element list the sample number that rescanning started. The rescan mode consists of scanning repeatedly at the same azimuth. This element has a value of 0 if there was no rescanning." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TOTAL_RESCAN_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 237 BYTES = 4 FORMAT = "I4" DESCRIPTION = "The total number of rescan samples acquired." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SCAN_RATE DATA_TYPE = ASCII_INTEGER START_BYTE = 242 BYTES = 5 FORMAT = "I5" DESCRIPTION = "The rate that the camera scanned while acquiring an image. It is given in bits/second." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_PATH_TYPE DATA_TYPE = CHARACTER START_BYTE = 249 BYTES = 20 DESCRIPTION = "The telemetry path that data traversed from the spacecraft to the ground." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DUST_FLAG DATA_TYPE = CHARACTER START_BYTE = 272 BYTES = 5 DESCRIPTION = "A flag that indicates whether a dusting sequence was done along with acquiring a Viking Lander image. A value of TRUE means that a dust sequence was commanded." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MISSING_LINES DATA_TYPE = ASCII_INTEGER START_BYTE = 279 BYTES = 4 FORMAT = "I4" DESCRIPTION = "The number of missing scans in an image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NOTE DATA_TYPE = CHARACTER START_BYTE = 285 BYTES = 80 DESCRIPTION = "A short note that describes either why an image was acquired or a comment about its content." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LINE_SAMPLES DATA_TYPE = ASCII_INTEGER START_BYTE = 367 BYTES = 5 FORMAT = "I5" DESCRIPTION = "The total number of samples in an image. The number of samples in a Viking Lander image varied as a function of the commanded azimuth range, the sampling interval, and the amount of rescan done." END_OBJECT = COLUMN END_OBJECT = INDEX_TABLE END