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 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:  |