截取的一帧数据:
$GNGGA,075012.000,2920.73310,N,10442.74820,E,1,08,2.8,292.5,M,-42.0,M,,*63 $GNGLL,2920.73310,N,10442.74820,E,075012.000,A,A*43 $GNGSA,A,3,12,23,24,25,194,195,,,,,,,4.3,2.8,3.2,1*3F $GNGSA,A,3,23,38,,,,,,,,,,,4.3,2.8,3.2,4*32 $GPGSV,3,1,10,10,54,336,,12,22,103,22,23,70,072,09,24,33,044,30,0*6E $GPGSV,3,2,10,25,22,140,19,28,,,18,32,44,295,,194,20,123,20,0*6F $GPGSV,3,3,10,195,19,159,11,199,48,140,,0*64 $BDGSV,1,1,04,13,79,029,,23,53,093,21,32,58,004,,38,61,118,10,0*74 $GNRMC,075012.000,A,2920.73310,N,10442.74820,E,1.42,100.20,200824,,,A,V*06 $GNVTG,100.20,T,,M,1.42,N,2.62,K,A*21 $GNZDA,075012.000,20,08,2024,00,00*47 $GPTXT,01,01,01,ANTENNA OPEN*25

逐条分析: