/* ION_U3.FMT */ /* describes the structure of the IMS ION Data Table*/ OBJECT = COLUMN NAME = B_CYCLE_NUMBER DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 1 BYTES = 2 VALID_MINIMUM = 1 VALID_MAXIMUM = 340 MISSING_CONSTANT = 65535 DESCRIPTION = "B cycle number from the start of the day, a value of 65535 indicates no B-cycle data is available" END_OBJECT = COLUMN OBJECT = COLUMN NAME = A_CYCLE_NUMBER DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 3 BYTES = 2 VALID_MINIMUM = 1 VALID_MAXIMUM = 2732 MISSING_CONSTANT = 65535 DESCRIPTION = "A cycle number from the start of day, a value of 65535 indicates that no A-cycle header information is available" END_OBJECT = COLUMN OBJECT = COLUMN NAME = TIME DATA_TYPE = IEEE_REAL START_BYTE = 5 BYTES = 8 UNIT = SECOND VALID_MINIMUM = "-7.1e+07" VALID_MAXIMUM = "1.5e+09" MISSING_CONSTANT = "10e+09" DESCRIPTION = "Start time of the A cycle, seconds from J2000 (barycentric dynamic time). An A-cycle is the 32 second instrument collection cycle." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TELEMETRY_MODE DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 13 BYTES = 1 VALID_MINIMUM = 1 VALID_MAXIMUM = 136 MISSING_CONSTANT = 255 DESCRIPTION = "Logical telemetry rate and mode: 1 = 250 bps 2 = 500 bps 4 = 1 kbps 8 = 2 kbps 16 = 4 kbps 32 = 8 kbps 64 = 16 kbps 130 = 500 bps solar wind 132 = 1 kbps solar wind 136 = 2 kbps solar wind" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 14 BYTES = 1 VALID_MINIMUM = 0 VALID_MAXIMUM = 0 MISSING_CONSTANT = 0 DESCRIPTION = "Will contains zeroes" END_OBJECT = COLUMN OBJECT = COLUMN NAME = OFFSET_TIME DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 15 BYTES = 2 VALID_MINIMUM = 0 VALID_MAXIMUM = 32000 MISSING_CONSTANT = 65535 UNIT = MILLISECOND DESCRIPTION = "Milliseconds from start of A cycle" END_OBJECT = COLUMN OBJECT = COLUMN NAME = FIRST_ENERGY_STEP DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 17 BYTES = 2 VALID_MINIMUM = 1 VALID_MAXIMUM = 63 MISSING_CONSTANT = 65535 DESCRIPTION = "Minimum energy step in collapsed data" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LAST_ENERGY_STEP DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 19 BYTES = 2 VALID_MINIMUM = 1 VALID_MAXIMUM = 63 MISSING_CONSTANT = 65535 DESCRIPTION = "Maximum energy step in collapsed data" END_OBJECT = COLUMN OBJECT = COLUMN NAME = FIRST_AZIMUTH_VALUE DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 21 BYTES = 2 VALID_MINIMUM = 1 VALID_MAXIMUM = 8 MISSING_CONSTANT = 65535 DESCRIPTION = "Minimum azimuth value in collapsed data" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LAST_AZIMUTH_VALUE DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 23 BYTES = 2 VALID_MINIMUM = 1 VALID_MAXIMUM = 8 MISSING_CONSTANT = 65535 DESCRIPTION = "Maximum azimuth value in collapsed data" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAM_ION_NUMBER DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 25 BYTES = 2 VALID_MINIMUM = 0 VALID_MAXIMUM = 65534 MISSING_CONSTANT = 65535 DESCRIPTION = "SAM ion number (identifies ion and group table)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA DATA_TYPE = MSB_INTEGER START_BYTE = 27 UNIT = COUNTS ITEMS = 8 ITEM_BYTES = 2 BYTES = 16 VALID_MINIMUM = -32 VALID_MAXIMUM = 27650 MISSING_CONSTANT = 28671 DESCRIPTION = "Counts in elevations 1 through 8 (signed value)" END_OBJECT = COLUMN