Gns - Gnss Fix Data; Hdt - Heading True; Rmc - Recommended Minimum Specific Gnss Data - L3 Communications ProTec AISD1000-00 Installation And Operation Manual

1.5.1.5

GNS - GNSS Fix Data

If the Mode Indicator is a NULL field, the sentence is ignored.
Field
UTC of Position
Latitude (2 fields)
Longitude (2 fields)
Mode Indicator
Total Number of Satellites in Use
HDOP
Antenna Altitude
Geoidal Separation
Age of Diff Data
Diff Reference Station ID
1.5.1.6

HDT - Heading True

Message is ignored if Talker is "HC".
Field
Heading
Valid Indicator
1.5.1.7

RMC - Recommended Minimum Specific GNSS Data

Field
UTC of Position Fix
Status
Latitude (2 fields)
Longitude (2 fields)
SOG, knots
COG, degrees
Date
Magnetic Variation (2 fields)
Mode Indicator
165M0601-00
Feb. 01/05
Aviation Recorders
Marine Systems
Notes
UTC Second is used to
indicate Time Stamp
Used
Used
Used
Ignored
Ignored
Ignored
Ignored
Ignored
Ignored
Notes
Used if Valid indicator is "T"
Used
Notes
UTC Second is used to
indicate Time Stamp
Must be "A"
Used
Used
Used
Used
Ignored
Ignored
Used
Initial Issue
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