So it is necessary to check whether the GPS antenna is placed in an open environment and whether the GPS data output by the GPS module can be read? Can the GPS satellite signal status be observed
source:Industry News release time:2023-07-12 Hits: Popular:realtime gps tracker online
So it is necessary to check whether the GPS antenna is placed in an open environment and whether the GPS data output by the GPS module can be read? Can the GPS satellite signal status be observed in the GSV statement in GPS data? From these aspects, we can determine where the specific problem lies! The module can output positioning data for $GPGGA $GPGSA $GPGSV $GPRMC once per second. We usually use $GPRMC to refine the data and output this information, which includes important information such as longitude, latitude, speed (nautical miles/hour), direction of motion, year, month, hour, minute, second, millisecond, and whether the positioning data is valid or invalid, The majority of GPS module chips still use the SiRFIII series, which has the highest market share in the world. The SiRFIII chip has 20 channels and strong real-time computing ability. This part of the module is very common on the market: Huantian, Da Gama, Ublox, etc
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