GPGSV语句是GPS接收机输出的一种NMEA语句,其中的GPGSV代表的是卫星状态数据语句。这种语句除了可以提供卫星在空中的信息以外,还可以告诉用户目前可以接收到哪些卫星的信号。 在使用GPGSV语句之前,用户需要先了解GPS的基本工作原理。GPS系统由众多卫星构成,它们在轨道上定期地广播自己的位置信息和时间信息。当接收机将这些信...
字段11:磁偏角方向,E(东)或W(西) 字段12:模式指示(仅NMEA0183 3.00版本输出,A=自主定位,D=差分,E=估算,N=数据无效) 字段13:校验值 GPGSV: $GPGSV 例:$GPGSV,3,1,10,20,78,331,45,01,59,235,47,22,41,069,,13,32,252,45*70 字段0:$GPGSV,语句ID,表明该语句为GPS Satellites in View(GSV)可...
I'm trying to parse gps nmea output from a modem connected to serial port of a cubietruck board (ARM® Cortex™-A7 Dual-Core). The configuration is done succesfully I get 4g network form modem but when I try to see nmea outout of the gps module, I get the following : ...
0 Can NMEA values contain '*' (asterisks)? 4 NMEA sentences - PGLOR, GNGSA and QZGSA 1 GPGGA doesn't show time 8 NMEA (GPS) sentence to a map location 0 GPS sentence: GPRMA 1 GPS: reconsidering logic behing this answer 0 GPS data RMC GSr 2 Parse GNSS - NMEA string 3...
每个时区中央经线所在地的地方时间就是这个时区共用的时间,称为区时。在实际应用中各国不完全按照区时来...
If the NMEATALKER command is set to AUTO, the talker (the first 2 characters after the $ sign in the log header) is set to GP (GPS satellites only), GL (GLONASS satellites only), GA (Galileo satellites only), GQ (for QZSS satellites only), GB/BD (for BeiDou satellites only) or ...