PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 82 FILE_RECORDS = 101595 ^TABLE = "CSV0119A.MCH" DATA_SET_ID = "MGS-M-RSS-1-MAP-V1.0" PRODUCT_ID = "CSV0119A.MCH" PRODUCT_VERSION_ID = "1" PRODUCT_TYPE = CSV INSTRUMENT_HOST_NAME = "MARS GLOBAL SURVEYOR" MISSION_NAME = "MARS GLOBAL SURVEYOR" INSTRUMENT_NAME = "RADIO SCIENCE SUBSYSTEM" TARGET_NAME = MARS PRODUCT_CREATION_TIME = 2000-04-30T09:06:04Z PRODUCER_ID = {MCT,RST} START_TIME = 2000-04-28T01:18:20.937Z STOP_TIME = 2000-04-28T23:59:56.990Z SOFTWARE_NAME = ECSV2PDS OBJECT = TABLE INTERCHANGE_FORMAT = ASCII ROWS = 101595 COLUMNS = 7 ROW_BYTES = 82 DESCRIPTION = " This table contains selected channelized spacecraft engineering or DSN monitor data, edited and reformated to PDS standards. Engineering files have names of the form CSVxxxxx.ECH; files of DSN monitor data have names of the form CSVxxxxx.MCH. Each row in the table contains 7 columns: time, channel ID, type of raw data (A for alphanumeric, D for digital, F for floating-point, I for integer, S for status, or U for unsigned integer), a pointer to the column for best data (5, 6, or 7), a field containing the data number (DN) or value, the corresponding integer value (if available), and the corresponding engineering or floating point value (EU). The table is in ASCII format; each row has 82 bytes with the last two bytes being an ASCII carriage-return line-feed pair. Table values were derived from an ECSV file which in turn was derived from a file of channelized engineering or DSN monitor data using DMD. This subset of Mars Global Surveyor engineering channels was selected by the MGS Radio Science Team and includes (from the channel set file): M-0304 RCT EU ANT_A_EL_ANG M-0305 RCT EU ANT_A_AZ_ANG M-0349 RCT EU A_RCVA_AGC M-0360 RCT EU A_RCVA_SNT M-0390 RCT EU A_RCVB_SNT M-0614 RCT EU DOP_RES_X M-0716 RCT EU A_RCVA_LOCK_STATUS M-0725 RCT EU AA5_SNT M-0766 RCT EU A_RCVB_LOCK_STATUS M-0775 RCT EU AB5_SNT" OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "TIME" DATA_TYPE = TIME START_BYTE = 1 BYTES = 23 UNIT = "N/A" DESCRIPTION = "For channelized engineering data (ECH) the Spacecraft Event Time (SCET) at which the raw data number was recorded. For chan- nelized DSN Monitor data (MCH) the Record Creation Time (RCT) at the DSN station." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "CHANNEL NAME" DATA_TYPE = CHARACTER START_BYTE = 26 BYTES = 6 UNIT = "N/A" DESCRIPTION = "Name of the channel from which the raw data number was obtained (e.g., L-0200)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "CHANNEL TYPE" DATA_TYPE = CHARACTER START_BYTE = 35 BYTES = 1 UNIT = "N/A" DESCRIPTION = "Type of raw data number: A alphanumeric D digital F floating point (decimal or scientific) I signed integer S status (usually 0 or 1) U unsigned (e.g., 0-255)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "POINTER" DATA_TYPE = ASCII_INTEGER START_BYTE = 38 BYTES = 2 UNIT = "N/A" DESCRIPTION = "Pointer to the column with the most useful value. For unconverted character strings (channel type A), Column 5. For type A strings converted to integers or for intrinsic integers (types D, I, S, or U), Column 6. For type A strings converted to floating point numbers, for integer data numbers converted to engineering units, or for type F strings, Column 7." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "ALPHANUMERIC FIELD" DATA_TYPE = CHARACTER START_BYTE = 42 BYTES = 12 FORMAT = "A12" UNIT = "N/A" DESCRIPTION = "Character string value of the data number field. Usually blank if conversion to integer or floating point format was possible." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "INTEGER VALUE" DATA_TYPE = ASCII_INTEGER START_BYTE = 56 BYTES = 12 FORMAT = "I12" UNIT = "N/A" DESCRIPTION = "The integer value inferred from the original data number (DN) field. Blank if the DN cannot be interpreted as an integer." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "FLOAT VALUE" DATA_TYPE = ASCII_REAL START_BYTE = 69 BYTES = 12 FORMAT = "G12.1" UNIT = "N/A" DESCRIPTION = "The floating point value inferred from the` data number (DN) field or the engineering unit (EU) field. Blank if there is not floating point interpretation of the number." END_OBJECT = COLUMN END_OBJECT = TABLE END