Instrument Make: Sperry Marine
Model: Gyro Type: 4914-CA 
S/N: Gyro1 11424, Gyro2 11431
Calibration Date: February 2013
Installation Date: 2015
Installation Location: bridge void
Distance from Water Line: N/A
Updated: 2015-10-16 JDM


RAW datafile:
NAV 2016/04/26 10:29:31.638 GYRO $HEHDT,024.56,T*1A

dsLog time stamp:
NAV 2016/04/26 10:29:31.638

NAV                 Navigation
2013/01/15          date in gmt
20:28:49.488        time in gmt
GYRO                data collected
data                $HEHDT,024.56,T*1A
                    $TIROT,-0000.3,A*25
                    $PPNSD,,,,,,,,2*6B
                    $HCHDM,005.50,M*19


$HEHDT,25.4,T*06
Data Parsed:
$HEHDT          Sentence Identifier
024.56          direction
T*1A            checksum