GPS module NMEA0183 standard statement.portable gps tracker Factory

　　1. Global Positioning System Fix Data (GGA) GPS positioning information

　　$GPGGA,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>, M,<10>, M,<11>,<12>* hh

　　<1> UTC time in hhmmss format

　　<2> Latitude ddmm.mmmm (degrees) format (the previous 0 will also be transmitted)

　　<3> Latitude Hemisphere N (Northern Hemisphere) or S (Southern Hemisphere)

　　<4> Longitude dddmm.mmmm format (the previous 0 will also be transmitted)

　　<5> Longitude Hemisphere E (East longitude) or W (West longitude)

　　<6> GPS status: 0=not located, 1=non differential positioning, 2=differential positioning, 6=estimation in progress

　　<7> The number of satellites using the solution position (00-12) (the previous 0 will also be transmitted)

　　<8> HDOP horizontal accuracy factor (0.5~99.9)

　　<9> Altitude (-999.9~99999.9)

　　<10> Height of Earth ellipsoid relative to geoid

　　<11> Differential time (the number of seconds since the last received differential signal, if it is not differential positioning, it will be empty)

　　<12> Differential station ID numbers 0000-1023 (the previous 0 will also be transmitted, otherwise it will be empty)

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