PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 777 FILE_RECORDS = 16661 DESCRIPTION = "EDRINDEX.TAB lists all IMP EDR image files on this set of 3 CD volumes. It includes most of the parameters from the project database except those that were applicable only to mission operations." ^INDEX_TABLE = "EDRINDEX.TAB" DATA_SET_ID = "MPFL-M-IMP-2-EDR-V1.0" MISSION_NAME = "MARS PATHFINDER" INSTRUMENT_HOST_NAME = "MARS PATHFINDER LANDER" INSTRUMENT_NAME = "IMAGER FOR MARS PATHFINDER" OBJECT = INDEX_TABLE INTERCHANGE_FORMAT = ASCII ROW_BYTES = 777 ROWS = 16661 COLUMNS = 63 INDEX_TYPE = CUMULATIVE INDEXED_FILE_NAME = {"*.DRK","*.FLT","*.HST","*.IMG", "*.NUL","*.STR","*.SUM"} OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_START_COUNT DATA_TYPE = ASCII_INTEGER START_BYTE = 1 BYTES = 10 FORMAT = "I10" DESCRIPTION = "The value of the lander clock (in seconds) at which the image was acquired." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_ID DATA_TYPE = ASCII_INTEGER START_BYTE = 12 BYTES = 10 FORMAT = "I10" DESCRIPTION = "Uniquely identifies the observation parameters of an image. The most significant four digits identify the command sequence that contains the imaging command. The middle two digits indicate the version of the command sequence, and the right four digits identify the image within a single imaging sequence." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_OBSERVATION_TYPE DATA_TYPE = CHARACTER START_BYTE = 24 BYTES = 12 FORMAT = "A12" DESCRIPTION = "Identifies the type or purpose of an observation. Valid values are REGULAR, DARK_CURRENT, FLAT_FIELD, HISTOGRAM, SUMMATION, DARK_STRIP, and NULL_STRIP. For the meanings of these values, please see appendix A of the IMP EDR CD-ROM SIS." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_ID DATA_TYPE = CHARACTER START_BYTE = 39 BYTES = 42 FORMAT = "A42" DESCRIPTION = "A permanent, unique identifier assigned to each data product. For the IMP EDRs, this is constructed from the words 'IMP_EDR' followed by the spacecraft clock start count, followed by the image observation type, followed by the image id." END_OBJECT = COLUMN OBJECT = COLUMN NAME = VOLUME_ID DATA_TYPE = CHARACTER START_BYTE = 84 BYTES = 9 FORMAT = "A9" DESCRIPTION = "Identifies the CD volume containing the named file. For the IMP EDRs, this consists of the identifier 'MPIM_' followed by the four digit volume number." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PATH_NAME DATA_TYPE = CHARACTER START_BYTE = 96 BYTES = 26 FORMAT = "A26" DESCRIPTION = "Path to directory containing file. This path is shown in UNIX format. It begins at the root level of the CD. It has a trailing slah, but no leading slash." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_NAME DATA_TYPE = CHARACTER START_BYTE = 125 BYTES = 12 FORMAT = "A12" DESCRIPTION = "This is the name of the PDS formatted file as it is stored on the CD-ROM archive media. For the IMP EDRs, it consists of the instrument identifier 'I', followed by the six least significant digits of the spacecraft clock start count, followed by a frame identifier (L=left, R=right, S=dark strip, N=null strip), followed by a 3 character extension. The extension indicates the image observation type as follows: IMG=regular, STR=dark strip, NUL=null strip, FLT=flat field, DRK=dark current, HST=histogram, and SUM=summation. (Note that the latter two values were never used.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = APPLICATION_PACKET_ID DATA_TYPE = ASCII_INTEGER START_BYTE = 139 BYTES = 2 FORMAT = "I2" DESCRIPTION = "The id of the telemetry packet queue to which the image data was directed." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_AZIMUTH DATA_TYPE = ASCII_REAL START_BYTE = 142 BYTES = 8 FORMAT = "F8.4" DESCRIPTION = "One of two angular measurements of the pointing direction of the instrument. The azimuth is measured positively in the clockwise direction (as viewed from above) from a fixed reference direction. The angle is measured in the x-y plane of the instrument's coordinate system, which is not necessarily co-linear with the surface fixed coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_AZIMUTH_METHOD DATA_TYPE = CHARACTER START_BYTE = 152 BYTES = 9 FORMAT = "A9" DESCRIPTION = "Identifies the method used to calculate the instrument azimuth from the azimuth motor clicks. Valid values: TELEMETRY, MPFNAV-MIPS, BACKLASH-UOFA." END_OBJECT = COLUMN OBJECT = COLUMN NAME = AZIMUTH_FOV DATA_TYPE = ASCII_REAL START_BYTE = 163 BYTES = 7 FORMAT = "F7.4" DESCRIPTION = "The angular measure of the horizontal field of view of an imaged scene. For MPF, 'horizontal' is measured in the x-y plane of the IMP coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = AZIMUTH_MOTOR_CLICKS DATA_TYPE = ASCII_INTEGER START_BYTE = 171 BYTES = 3 FORMAT = "I3" DESCRIPTION = "The number of motor step counts the camera rotated in the horizontal direction from the low hard stop. Since each step count is 0.553 degrees, the azimuthal position of the camera can be derived from this value. Valid range is 0 to 1023." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_ELEVATION DATA_TYPE = ASCII_REAL START_BYTE = 175 BYTES = 8 FORMAT = "F8.4" DESCRIPTION = "One of two angular measurements of the pointing direction of the instrument. The elevation is measured with respect to the plane which is co-planar with the x-y plane of the instrument's coordinate system (in this case the IMP Frame) and which intersects the elevation axis around which the instrument rotates. For the Mars Pathfinder IMP EDRs, the elevation is measured positive upwards. Valid values: -90 degrees (nadir) to +90 degrees (zenith)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_ELEVATION_METHOD DATA_TYPE = CHARACTER START_BYTE = 185 BYTES = 9 FORMAT = "A9" DESCRIPTION = "Identifies the method used to calculate the instrument elevation from the elevation motor clicks. Valid values: TELEMETRY, MPFNAV-MIPS, BACKLASH-UOFA." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ELEVATION_FOV DATA_TYPE = ASCII_REAL START_BYTE = 196 BYTES = 7 FORMAT = "F7.4" DESCRIPTION = "The angular measure of the vertical field of view of an imaged scene. For MPF, 'vertical' is measured along the Z-IMP axis of the IMP coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ELEVATION_MOTOR_CLICKS DATA_TYPE = ASCII_INTEGER START_BYTE = 204 BYTES = 3 FORMAT = "I3" DESCRIPTION = "The number of motor step counts the camera rotated in the vertical direction from the low hard stop. Since each step count is 0.553 degrees, the elevational position of the camera can be derived from this value. Valid range is 0 to 1023." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EXPECTED_PACKETS DATA_TYPE = ASCII_INTEGER START_BYTE = 208 BYTES = 3 FORMAT = "I3" DESCRIPTION = "The total number of telemetry packets which constitute a complete image, ie., an image without missing data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RECEIVED_PACKETS DATA_TYPE = ASCII_INTEGER START_BYTE = 212 BYTES = 3 FORMAT = "I3" DESCRIPTION = "The total number of telemetry packets which constitute a reconstructed image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EXPOSURE_DURATION DATA_TYPE = ASCII_REAL START_BYTE = 216 BYTES = 7 FORMAT = "F7.1" DESCRIPTION = "The integration time for MANUAL and AUTO exposures, measured in milliseconds." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_NAME DATA_TYPE = CHARACTER START_BYTE = 225 BYTES = 14 FORMAT = "A14" DESCRIPTION = "The name of the instrument filter through which the image was acquired. The numbers refer to the effective wavelength in nm of the filter for the left (L) or right (R) image. FILTER FILTER NUMBER NAME APPLICATION ----------------------------------------------- 0 L440_R440 Stereo, Geology 1 L450_R670 Solar 2 L885_R947 Solar 3 L925_R935 Solar 4 L935_R990 Solar 5 L670_R670 Stereo, Geology 6 L800_R750 Geology 7 L860_R-DIOPTER Geology 8 L900_R600 Geology 9 L930_R530 Stereo, Ranging, Geology 10 L1000_R480 Geology 11 L965_R965 Stereo, Ranging, Geology " END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 241 BYTES = 2 FORMAT = "I2" DESCRIPTION = "The number of the instrument filter through which the image was acquired. (See FILTER_NAME for details.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = COMMAND_SEQUENCE_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 244 BYTES = 4 FORMAT = "I4" DESCRIPTION = "Identifies a set of commands sent to the IMP camera, ordering it to perform a particular task. Valid range is 1 to 9999. For a complete list of the command sequence numbers used during the mission and their descriptions, see section 3.2.2.7 of the IMP EDR CD-ROM SIS." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_TIME DATA_TYPE = TIME START_BYTE = 249 BYTES = 24 FORMAT = "A24" DESCRIPTION = "Date and time at which the image was acquired, recorded in UTC system format. Shown as YYYY-MM-DDThh:mm:ss.fffZ" END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_BLK_SIZE DATA_TYPE = ASCII_INTEGER START_BYTE = 274 BYTES = 3 FORMAT = "I3" DESCRIPTION = "Dimension of a block for on-board compression." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_BLOCKS DATA_TYPE = ASCII_INTEGER START_BYTE = 278 BYTES = 4 FORMAT = "I4" DESCRIPTION = "Number of blocks used to spatially segment the image file prior to compression." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_MODE DATA_TYPE = ASCII_INTEGER START_BYTE = 283 BYTES = 1 FORMAT = "I1" DESCRIPTION = "The targetted image quality or compression factor for on-board compression. Compression is obtained with Huffman or arithmetic entropy encoding, with or without LCT. Odd modes specify a targetted image quality, whereas even modes specify a targetted compression factor. Modes 1,2,5,6 utilize Huffman encoding; modes 3,4,7,8 use arithmetic encoding. Modes 5,6,7,8 use LCT. Mode 9 specifies RICE compression. Valid values: 1 to 9." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_NAME DATA_TYPE = CHARACTER START_BYTE = 286 BYTES = 60 FORMAT = "A60" DESCRIPTION = "The type of on-board compression used for data storage and transmission." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_PARAM DATA_TYPE = ASCII_INTEGER START_BYTE = 348 BYTES = 3 FORMAT = "I3" DESCRIPTION = "This is a JPEG compression specific variable. It specifies the on-board copmression rate as image quality or compression factor, based on the selected instrument compression mode." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_QUANTZ_TBL_ID DATA_TYPE = ASCII_INTEGER START_BYTE = 352 BYTES = 3 FORMAT = "I3" DESCRIPTION = "The identifier for the reference table used for quantization in the frequency domain for on-board transform compression. This name or code should be specific enough to allow the user of the data to have sufficient information to reference the quantization table used to compress the data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_QUALITY DATA_TYPE = ASCII_INTEGER START_BYTE = 356 BYTES = 3 FORMAT = "I3" DESCRIPTION = "A JPEG specific variable. If an odd IMP compression mode is used for on-board compression, this is the desired image quality index. If an even IMP compression mode is used, this is the resultant image quality used to reach a desired on-board compression factor." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_RATE DATA_TYPE = ASCII_REAL START_BYTE = 360 BYTES = 6 FORMAT = "F6.3" DESCRIPTION = "The average number of bits needed to represent a pixel for an ob-board compressed image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_RATIO DATA_TYPE = ASCII_REAL START_BYTE = 367 BYTES = 8 FORMAT = "F8.2" DESCRIPTION = "The ratio of the size, in bytes, of the original uncompressed data file to its compressed form." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_SYNC_BLKS DATA_TYPE = ASCII_INTEGER START_BYTE = 376 BYTES = 4 FORMAT = "I4" DESCRIPTION = "A RICE specific variable. The number of compressed blocks between synchronization counters." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_DEPLOYMENT_STATE DATA_TYPE = CHARACTER START_BYTE = 382 BYTES = 8 FORMAT = "A8" DESCRIPTION = "Indicates whether or not the IMP camera had been deployed to the end of its mast. Valid values are STOWED and DEPLOYED." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_CCD_TEMPERATURE DATA_TYPE = ASCII_REAL START_BYTE = 392 BYTES = 5 FORMAT = "F5.1" DESCRIPTION = "The temperature, in degrees Celcius, of the CCD sensor array when the image was acquired." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_HEAD_TEMPERATURE DATA_TYPE = ASCII_REAL START_BYTE = 398 BYTES = 5 FORMAT = "F5.1" DESCRIPTION = "The temperature, in degrees Celcius, of the camera head when the image was acquired." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LINES DATA_TYPE = ASCII_INTEGER START_BYTE = 404 BYTES = 3 FORMAT = "I3" DESCRIPTION = "The total number of pixels along the vertical axis of an image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LINE_SAMPLES DATA_TYPE = ASCII_INTEGER START_BYTE = 408 BYTES = 3 FORMAT = "I3" DESCRIPTION = "The total number of pixels along the horizontal axis of an image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LANDER_SURFACE_QUATERNION_X DATA_TYPE = ASCII_REAL START_BYTE = 412 BYTES = 7 FORMAT = "F7.4" DESCRIPTION = "One of four values that define the relationship between the lander coordinate frame and the local level coordinate frame." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LANDER_SURFACE_QUATERNION_Y DATA_TYPE = ASCII_REAL START_BYTE = 420 BYTES = 7 FORMAT = "F7.4" DESCRIPTION = "One of four values that define the relationship between the lander coordinate frame and the local level coordinate frame." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LANDER_SURFACE_QUATERNION_Z DATA_TYPE = ASCII_REAL START_BYTE = 428 BYTES = 7 FORMAT = "F7.4" DESCRIPTION = "One of four values that define the relationship between the lander coordinate frame and the local level coordinate frame." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LANDER_SURFACE_QUATERNION_A DATA_TYPE = ASCII_REAL START_BYTE = 436 BYTES = 7 FORMAT = "F7.4" DESCRIPTION = "One of four values that define the relationship between the lander coordinate frame and the local level coordinate frame." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PLANET_DAY_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 444 BYTES = 4 FORMAT = "I4" DESCRIPTION = "The Martian day (ie., sidereal day, equal to a rotation of 360 degrees) on which the image was taken. Starts with 1 as the first day of surface operations, the day the spacecraft landed. Negative values refer to pre-surface images." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MPF_LOCAL_TIME DATA_TYPE = CHARACTER START_BYTE = 450 BYTES = 8 FORMAT = "A8" DESCRIPTION = "Local time at the lander site on the surface of Mars, measured in local hours, minutes, and seconds, from midnight. Local hours are defined as one twenty-fourth of a local solar day. Local minutes are one sixtieth of a local hour, and local seconds are one sixtieth of a local minute. Format is hh:mm:ss. Based on the IAU standard for the Martian prime meridian. See [DAVIES1994] for more details." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PACKET_MAP_MASK DATA_TYPE = CHARACTER START_BYTE = 461 BYTES = 116 FORMAT = "A116" DESCRIPTION = "A series of binary digits identifying which of the expected packets were actually received. The bits are to be read left to right. Ie., the first packet is represented by the leftmost bit." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PIXEL_AVERAGING_HEIGHT DATA_TYPE = ASCII_INTEGER START_BYTE = 579 BYTES = 1 FORMAT = "I1" DESCRIPTION = "The vertical dimension, in pixels, of the area over which pixels were averaged prior to image compression." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PIXEL_AVERAGING_WIDTH DATA_TYPE = ASCII_INTEGER START_BYTE = 581 BYTES = 1 FORMAT = "I1" DESCRIPTION = "The horizontal dimension, in pixels, of the area over which pixels were averaged prior to image compression." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_CREATION_TIME DATA_TYPE = TIME START_BYTE = 583 BYTES = 24 FORMAT = "A24" DESCRIPTION = "Defines the UTC time was a product was created or last modified. Has the form YYYY-MM-DDThh:mm:ss.fffZ" END_OBJECT = COLUMN OBJECT = COLUMN NAME = RICE_OPTION_VALUE DATA_TYPE = ASCII_INTEGER START_BYTE = 608 BYTES = 3 FORMAT = "I3" DESCRIPTION = "A RICE compressor specific variable." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RICE_START_OPTION DATA_TYPE = ASCII_INTEGER START_BYTE = 612 BYTES = 3 FORMAT = "I3" DESCRIPTION = "A RICE compressor specific variable." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOFTWARE_NAME DATA_TYPE = CHARACTER START_BYTE = 617 BYTES = 16 FORMAT = "A16" DESCRIPTION = "The name of the telemetry processing software used to generate the image data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOFTWARE_VERSION_ID DATA_TYPE = CHARACTER START_BYTE = 636 BYTES = 8 FORMAT = "A8" DESCRIPTION = "The version of the telemetry processing software used to generate the image data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOLAR_AZIMUTH DATA_TYPE = ASCII_REAL START_BYTE = 646 BYTES = 8 FORMAT = "F8.4" DESCRIPTION = "One of two angular measurements indicating the position of the Sun as measured from a specific point on the surface of a planet (ex., from a lander or rover). The azimuth is measured positively in the clockwise direction (as viewed from above) with the meridian passing through the positive spin axis of the planet (ie., the north pole) defining the zero reference." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOLAR_ELEVATION DATA_TYPE = ASCII_REAL START_BYTE = 655 BYTES = 8 FORMAT = "F8.4" DESCRIPTION = "One of two angular measurements indicating the position of the Sun as measured from a specific point on the surface of a planet (ex., from a lander or rover). The positive direction of the elevation is set by the positive_elevation_direction data element. It is measured from the plane which is perpendicular to the line passing between the observer and the planet's center and which intersects the observer." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SQRT_MAXIMUM_PIXEL DATA_TYPE = ASCII_INTEGER START_BYTE = 664 BYTES = 4 FORMAT = "I4" DESCRIPTION = "The maximum pixel value in a 12-bit image prior to square root compression." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SQRT_MINIMUM_PIXEL DATA_TYPE = ASCII_INTEGER START_BYTE = 669 BYTES = 3 FORMAT = "I3" DESCRIPTION = "The minimum pixel value in a 12-bit image prior to square root compression." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EARTH_RECEIVED_START_TIME DATA_TYPE = TIME START_BYTE = 673 BYTES = 24 FORMAT = "A24" DESCRIPTION = "Identifies the earliest time that a telemetry packet containing data for image was received. Has the form YYYY-MM-DDThh:mm:ss.fffZ" END_OBJECT = COLUMN OBJECT = COLUMN NAME = EARTH_RECEIVED_STOP_TIME DATA_TYPE = TIME START_BYTE = 698 BYTES = 24 FORMAT = "A24" DESCRIPTION = "Identifies the latest time that a telemetry packet containing data for image was received. Has the form YYYY-MM-DDThh:mm:ss.fffZ" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SURFACE_BASED_INST_AZIMUTH DATA_TYPE = ASCII_REAL START_BYTE = 723 BYTES = 8 FORMAT = "F8.4" DESCRIPTION = "One of two angular measurements of the pointing direction of the instrument. The azimuth is measured positively in the clockwise direction (as viewed from above) with the meridian passing through the positive spin axis ('north pole') defining the zero reference. The angle is measured in the local gravity horizontal place, ie., a plane perpendicular to the local gravity vector." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SURFACE_BASED_INST_ELEVATION DATA_TYPE = ASCII_REAL START_BYTE = 732 BYTES = 8 FORMAT = "F8.4" DESCRIPTION = "One of two angular measurements of the pointing direction of the instrument. For the Mars Pathfinder IMP EDRs, elevation is measured positively upwards from the plane which is perpendicular to the local gravity vector and which intersects the elevation axis around with the camera rotates. Valid values: -90 degrees (nadir) to +90 degrees (zenith)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SURFACE_BASED_INST_METHOD DATA_TYPE = CHARACTER START_BYTE = 742 BYTES = 18 FORMAT = "A18" DESCRIPTION = "Identifies the method used to calculate the surface based instrument pointing. Valid values: NULL, L_FRAME-QUATERNION" END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME DATA_TYPE = CHARACTER START_BYTE = 763 BYTES = 8 FORMAT = "A8" DESCRIPTION = "Identifies the intended target of an observation. Can be either a planetary body or a physical object. The following is the list of targets imaged by the IMP: APXSSITE, ALTAIR, ARCTURUS, CALIMG, DEIMOS, LANDER, MAG, MARS, PHOBOS, ROVER, SKY, SUN, VEGA, WINDSOCKS " END_OBJECT = COLUMN OBJECT = COLUMN NAME = TLM_CMD_DISCREPANCY_FLAG DATA_TYPE = CHARACTER START_BYTE = 774 BYTES = 1 FORMAT = "A1" DESCRIPTION = "Indicates whether or not discrepancies were found between the IMP uplinked commands and the downlinked telemetry. Valid values: 'T' and 'F'." END_OBJECT = COLUMN END_OBJECT = INDEX_TABLE END