User Manual

Marine Systems
Aviation Recorders
Rev. 06
Mar . 16/11
165M0014-10
Page 1--22
1.5.1.5 GNS - GNSS Fix Data
If the Mode Indicator is a NULL field, the sentence is ignored.
Field Notes
UTC of Position UTC Second is used to
indicate Time Stamp
Latitude (2 fields) Used
Longitude (2 fields) Used
Mode Indicator Used
Total Number of Satellites in Use Ignored
HDOP Ignored
Antenna Altitude Ignored
Geoidal Separation Ignored
Age of Diff Data Ignored
Diff Reference Station ID Ignored
1.5.1.6 HDT - Heading True
Message is ignored if Talker is “HC”.
Field Notes
Heading Used if Valid indicator is “T”
Valid Indicator Used
1.5.1.7 RMC - Recommended Minimum Specific GNSS Data
Field Notes
UTC of Position Fix UTC Second is used to
indicate Time Stamp
Status Must be “A”
Latitude (2 fields) Used
Longitude (2 fields) Used
SOG, knots Used
COG, degrees Used
Date Ignored
Magnetic Variation (2 fields) Ignored
Mode Indicator Used