TRMM Raw Data Archives

Directory naming convention: [FM.YYYY.MM.DD]

File naming convention:  YYYYMMDDhhmm.DAT

   YYYY = 4 digit year (1960-2059)
   MM = 2 digit month (00-12)
   DD = 2 digit day (00-31)
   hh = 2 digit hour (00-23)
   mm = 2 digit minute (00,30)

All times are represented in GMT format.

File attributes: 7184 byte fixed-length binary records.

File contents: 30 minutes of field mill data

Record structure:

   Byte    Byte
   Offset  Count    Description
   ------  -----    ------------------------------
      1       4     Reserved (0x89,0x89,0x89,0x89)
      5       1     Year (last 2 digits)
      6       1     Month (1-12)
      7       1     Day (1-31)
      8       1     Hour (0-23)
      9       1     Minutes (0-59)
     10       1     Seconds (0-59)
     11       1     Hundredths of Seconds (unused)
     12       1     Milliseconds (unused)
     13       1     Number of mills
     14       3     Spare
     17    7168     Mill data

   Mill data: 64 mills (112 bytes each)

   Byte    Byte
   Offset  Count    Description
   ------  -----    ------------------------------
      1       1     Address
      2       1     Mode
      3       4     Status
      7       1     Playback
      8       2     Reserved
     10       1     Rain Gauge
     11     100     50 Hz Data (16-bit values)
    111       2     CRC (16-bit value)
      
Note: For more detailed information on field values, see file
      FM_STRUCTURE.DOC.