L3 Technologies AISA1 Manuale Utente

If the Mode Indicator is a NULL field, the sentence is ignored.

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

Message is ignored if Talker is “HC”.

Heading

Used if Valid indicator is “T”

Valid Indicator

Used

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