Abstract
Based on two-frequency phase measurements of GNSS signals by ground-based receivers, zenith delays of radio signals in the troposphere are estimated. These estimates are compared with the NCEP/NCAR reanalysis data on weather fields. It is shown that the standard deviation in the values of zenith delays obtained in both ways is about 1 cm on average. According to our calculations, such a level of accuracy permits one to study the interday and intraday dynamics of the troposphere. The temporal resolution of estimates based on the GNSS data is 2 h, which makes it possible to organize atmosphere monitoring using a ground-based network of satellite tracking systems.
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Original Russian Text © V.V. Kalinnikov, O.G. Khutorova, G.M. Teptin, 2012, published in Izvestiya AN. Fizika Atmosfery i Okeana, 2012, Vol. 48, No. 6, pp. 705–713.
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Kalinnikov, V.V., Khutorova, O.G. & Teptin, G.M. Determination of troposphere characteristics using signals of satellite navigation systems. Izv. Atmos. Ocean. Phys. 48, 631–638 (2012). https://doi.org/10.1134/S0001433812060060
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DOI: https://doi.org/10.1134/S0001433812060060