Using Bernese To Calculate Ground Based GPS Zenith Delay

    This paper mainly introduces the method of using Bernese software to calculate the zenith delay and how to solve the problems, which is intended to prepare for Ground-based GPS inversion of the applied research of atmospheric precipitation.The delay of zeniths in different regions in the same period was significantly different from that of the four zeniths in the CHAN、TWTF、LHAZ. The total delay of the zenith at different times in the same area was also different.