Instrument Make and Model: Meridian Surveyor S/N: 8967 Calibration Date: N/A Installation: August 2016 RAW datafile: NAV 2013/05/25 13:00:00.013 GYRO $HEHDT,25.4,T*06 dsLog time stamp: NAV 2013/01/15 20:28:49.488 GYRO NAV Navigation 2013/01/15 date in gmt 20:28:49.488 time in gmt GYRO data collected data $HEHDT,25.4,T*06 $HEHDT,25.4,T*06 Data Parsed: $GPHDT Sentence Identifier 25.4 direction T*06 checksum $HEROT,0021.4,A*1C Data Parsed: $HEROT Sentence Identifier 0021.4 GYRO-1-RateOfTurn(deg/sec) A*1C checksum