L3 Technologies AISA1 Manual Do Utilizador

If this sentence is received from the position source, with Latitude error or Longitude
error specified, the RAIM flag will be set to TRUE. If both are Null or 60 seconds
goes by without a GBS sentence, RAIM flag goes to False

UTC Time of GGA or GNS

Ignored

Expected Error in Latitude

Check for Null

Expected Error in Longitude

Check for Null

Expected Error in Altitude

Ignored

ID Number of Most LIkely

Failed Satellite

Ignored

Probability of MIssed Detection

Ignored

Estimate of Bias in Meters

Ignored

Standard Deviation of Bias Estimate

Ignored

UTC of Position

UTC Second is used to
indicate Time Stamp

Latitude (2 fields)

Used

Longitude (2 fields)

Used

GPS Quality Indicator

Used

Number of Satellites in Use

Ignored

Horizontal Dilution of Precision (HDOP)

Ignored

Altitude RE: Main Sea Level (2 fields)

Ignored

Geoidal Separation (2 fields)

Ignored

Age of Diff Data

Ignored

Diff Reference Station

Ignored

Latitude (2 fields)

Used

Longitude (2 fields)

Used

UTC of Position

UTC Second is used to
indicate Time Stamp

Status

Used

Mode Indicator

Used