Summary
NMEA 0183 standard Geographic Position – Latitude/Longitude.

Syntax
$GPGLL,<1>,<2>,<3>,<4>,<5>,<6>,<7>*hh<CR><LF>

Fields
<1>    Latitude, to the nearest .0001 minute
<2>    N if field <1> is North Latitude S if field <1> is South Latitude
<3>    Longitude, to the nearest .0001 minute
<4>    E if field <3> is East Longitude W if field <3> is West Longitude
<5>    UTC of position, in the form hhmmss
<6>    Status:
          A = data valid, V = data invalid
<7>    Mode indicator:
          A = Autonomous mode
          D = Differential mode
          E = Estimated (dead reckoning) mode
          M = Manual input mode
          S = Simulator mode
          N = Data not valid




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