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accuracy, antenna, autonomous, base, base station, beidow, build, constellation, construction, controller, correction, disposition, electronics, engineering, ephemerides, equipment, excellent result, expedition, frequency, future, galileo, geodesy, geodetic, glonass, gnss, good conditions, gps, high power, industry, initialisation, location, measurement, navigation, network, new generation tool, new level, new technologies, plan, position, precise, qzss, rail station, receiver, rover, rtk, satellite, scale, survey, tools, tripod,