NMEA-0183 message: GLL

Position data: position fix, time of position fix, and status

An example of the GLL message string is:

$GPGLL,3953.88008971,N,10506.75318910,W,034138.00,A,D*7A

GLL message fields

Field

Meaning

0

Message ID $GPGLL

1

Latitude in dd mm,mmmm format (0-7 decimal places)

2

Direction of latitude N: North S: South

3

Longitude in ddd mm,mmmm format (0-7 decimal places)

4

Direction of longitude E: East W: West

5

UTC of position in hhmmss.ss format

6

Status indicator:

A: Data valid
V: Data not valid

This value is set to V (Data not valid) for all Mode Indicator values except A (Autonomous) and D (Differential)

7

The checksum data, always begins with *

Mode indicator:
A: Autonomous mode
D: Differential mode
E: Estimated (dead reckoning) mode
M: Manual input mode
S: Simulator mode
N: Data not valid