/* FORMAT OF FILE NAME dddhhmm.yyw */ FILE NAME = 1700613.72w RECORD TYPE = VARIABLE_LENGTH PACECRAFT_NAME = SMALL_SCIENTIFIC_SATELLITE_1 ARTH_BASE_ID = ACT21 TART_EVENT_TIME = ( 170, 6, 13, 1, 0 ) ANDWIDTH = 1000 YTE_OFFSET = (0,7228,14420,21612,28803,35995,43186, 0377,57569,64760,71951,79142,86333,93524, 00716,107907,115098,122289,129480,136672,143863, 51054,158245,165436,172627,179819,187010,194201, 01392,208582,215774,222965,230156,237346,244537, 51728,258919,266110,273300,280491,287681,294872, 02062,309253,316443,323633,330824,338014,345205, 52395,359586,366776,373966,381156,388347,395537, 02727,409917,417107) AXIMUM_RECORD_BYTES = 108 ILE_RECORDS = 5900 TOP_EVENT_TIME = ( 170, 6, 13, 59, 990 ) ND MAXIMUM_RECORD_BYTES = 108 FILE_RECORDS = 5900 LABELS_RECORDS = 0 * BYTE_OFFSET is a list of byte offset to the data records that */ * begin at t = 0 sec ., 1 sec, 2 sec, ....of the time period */ BYTE_OFFSET = (0,7228,14420,21612,28803,35995,43186, 50377,57569,64760,71951,79142,86333,93524, 100716,107907,115098,122289,129480,136672,143863, 151054,158245,165436,172627,179819,187010,194201, 201392,208582,215774,222965,230156,237346,244537, 251728,258919,266110,273300,280491,287681,294872, 302062,309253,316443,323633,330824,338014,345205, 352395,359586,366776,373966,381156,388347,395537, 402727,409917,417107) /* Data set, time, and instrument information */ PACECRAFT_ID = EXPLORER 45 PACECRAFT_NAME = SMALL_SCIENTIFIC_SATELLITE /* Description of directory structure */ Each data directory contains two files. The first is the data file, see the directory "FORMAT" for format of the data files. The second file is a header file which indicates what is in the associated data record. The naming conventions for these records is: dddhhmm.yy(w or L) ddd is the day of the data. hh is the hour of the data. mm is the minute of the data. yy is the year of the data. w indicates that the record is a data record. L indicates that the record is a label record. /* description of file structure */ /* Data items are 8 bit unsigned bytes with values from 0 to 255 */ /* the units are values proportional to the output of the sensor */ /* with a zero of 127.5. */ /* The first 4 columns are 2 bytes values are in MSB byte LSB byte*/ /* order. */ OBJECT = TABLE NAME = UIOWA_ARCHIVED_WAVEFORM INTERCHANGE_FORMAT = BINARY COLUMNS = 5 ROWS = 6000 ROW_BYTES = VARIABLE DESCRIPTION = "University of Iowa single channel digitized waveform file. Each file (table) contains data occurring in an integral one minute interval, and each record (row) contains a 10 millisecond waveform series." OBJECT = COLUMN NAME = REMAINING_ROW_BYTES DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 1 BYTES = 2 DESCRIPTION = "Byte offset to beginning of next record (row)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = MILLISECOND_OF_MINUTE DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 3 BYTES = 2 DESCRIPTION = "Millisecond of minute corresponding to beginning of first sample in this record (row)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = FLAGS DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 5 BYTES = 2 DESCRIPTION = "Flag indicating interpreted or interpolated timecode (0 or 1)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAMPLES DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 7 BYTES = 2 DESCRIPTION = "Number of waveform samples in this record (row)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = WAVEFORM_SERIES DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 9 BYTES = 1 ITEMS = SAMPLES OFFSET = 127.5 DESCRIPTION = "Consecutive 8-bit unsigned waveform samples ranging from 0 to 255" END_OBJECT = COLUMN END_OBJECT = TABLE END