!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !! IMPORTANT !! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !! THIS FILE MUST CONTAIN A LINE WITH 4 EQUALS SIGNS !! !! ('====') IN COLUMNS 1 TO 4, AS THE LAST LINE OF THE !! !! FILE HEADER, IN ORDER FOR THE CLOCK DRIFT FILE SOFTWARE !! !! TO PROCESS THE FILE. THE SOFTWARE USES THIS STRING !! !! AS THE SIGNAL TO START PROCESSING CLOCK DRIFT DATA RECORDS. !! !! THERE MAY BE ANY CHARACTERS IN THE LINE AFTER THE FIRST 4. !! !! THE TWO KEY POINTS ARE: !! !! 1) ALL HEADER LINES BEFORE THE LAST ONE SHOULD HAVE SOMETHING !! !! DIFFERENT FROM ==== IN THE FIRST 4 CHARACTER POSITIONS; AND !! !! 2) THE LAST HEADER LINE SHOULD HAVE ==== IN THE FIRST 4 !! !! CHARACTER POSITIONS. !! !! THE CLOCK DRIFT SOFTWARE WILL ATTEMPT TO PROCESS EVERY LINE !! !! FOLLOWING THE FIRST LINE THAT HAS ==== IN THE FIRST 4 COLUMNS !! !! AS A CLOCK DRIFT DATA RECORD. !! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! NOAA- | | CLOCK | DRIFT 19 | | ERROR | RATE, SPACE | EFFECTIVE TIME | | MILLI- CRAFT | | MILLI-| SECS. COMMENTS ID# | | SECS. | /DAY (OPTIONAL) 33591 | YEAR/MM/DD HH:MM:SS.SSS | I5 | F7.3 ===== ========== ============ ===== ======= ============================= 33591 2009/07/21 00:00:00.000 -611 0.000 SOCC ADJUSTMENT 33591 2009/05/25 00:00:00.000 -439 -3.000 SOCC READING 33591 2009/02/05 23:59:00.000 0000 00.000 INITIALIZATION