OVERVIEW
　　The newly developed next-generation satellite positioning receiver not only improves positioning accuracy, but also enhances the operational stability of the equipment. The equipment can operate in complex outdoor environments for a long time, and whether it is windy or rainy, it will not affect its stable operation. The GNSS receiver adopts 4G transmission and is compatible with networks such as China Mobile, China Unicom, and China Telecom, ensuring smooth signal disconnection. At the same time, the standard CORS account of the model is reserved for data transmission through external RS485 to Ethernet when there is no signal in extreme environments.
　　GNSS uses GPS satellites for differential positioning through reference stations, which can obtain millimeter level elevation non planar static positioning. The equipment prioritizes reading signals from the Beidou satellite and is compatible with mainstream satellite signals such as GPS, Galileo, and GLONASS. High precision RTK full frequency algorithm with high reliability, supports ultra long baseline settlement, and supports data update frequency up to 20Hz. The number of channels is also as high as 965. The device can output various data formats such as NMEA-0183, CMR, RTCM2. X-3. X, MSM3~MSM7, etc. The high-end model supports L-Band, and a single machine can achieve millimeter level precise positioning. The high-end model also supports a maximum of 128GB of memory for data storage in case of network interruption and continuous transmission. The high-end model has numerous interfaces that support secondary development, and can also customize additional modules and interfaces to obtain more transmission methods and functions.
　　The monitoring method of GNSS generally adopts a 1+N pattern, that is, a network consisting of one reference point and N monitoring points. The more monitoring points N, the higher the accuracy of monitoring. It is recommended to have no less than 2 monitoring points N. The more the number, the easier it is for the surface of the monitored object to form a grid surface. Once the monitored object changes, it will be immediately discovered.
　　This instruction lists the parameter differences of each model in the form of a table, and suitable models can be selected based on the monitoring objectives of the project. The equipment in this instruction is a standalone host, and other components need to be self adapted.