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Telecommunications and Radio Engineering
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ISSN Imprimir: 0040-2508
ISSN En Línea: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v73.i5.40
pages 413-424

SIMULATION OF THE MAPPING FUNCTION FOR CALCULATION OF TROPOSHERIC ZENITH DELAY

V. I. Lutsenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine
I. V. Lutsenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine
D. O. Popov
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
A.G. Laush
Navis − Ukraina Ltd, 20708 Smila, Ukraine
V.N. Gudkov
Navis − Ukraina Ltd, 20708 Smila, Ukraine

SINOPSIS

Currently, global positioning satellite systems (GPS) are widely used in various spheres of activity related to the precise determining of the users' location. The positioning errors are significantly affected by the delay in the signal propagation channel from the satellite to the user. Consideration of the above errors is attempted to be performed by creation of tropospheric zenith delay simulations and functions of their mapping. In this paper the model of mapping function for tropospheric delays is suggested. It takes into account the seasonal and latitudinal variability, as well as the refractive properties of the troposphere. The suggested mapping function provides a rather good description of the tropospheric delay at high and low elevation angles of the satellites allowing increasing accuracy of positioning of users of global navigation systems. A comparison of the suggested model with the mostly widespread known ones as well as with the experimentally obtained data is performed. The derived results can be used for creation of global navigation system receivers and for diagnostics of atmospheric processes with their help.

REFERENCIAS

  1. Saastamoinen, J., Henriksen, S.W., Mancini, A., and Chovitz, B.H. , Atmospheric correction for troposphere and stratosphere in radio ranging of satellites. The Use of Artificial Satellites for Geodesy.

  2. Hopfield, H.S., (1972) , Tropospheric range error at the zenith. Space Research XII.

  3. Minimum Operational Performance Standards for Global Positioning System, Wide Area Augmentation System Airborne Equipment, RTCA/DO-229C. 2001.

  4. Pinus, N.Z. and Shmeter, S.M., (1965) , Аerology. Part 2. Physics of free atmosphere.

  5. Dolukhanov, M.P., (1972) , Propagation of radio waves.

  6. Black, H.D. and Eisner, А., (1984) , Correcting satellite Doppler data for tropospheric effects.

  7. Dymnov, G.D., (2009) , Development of hardware methods for consideration of tropospheric effects at satellite measurements in geodesy.

  8. Niell, A., (1996) , Global mapping functions for the atmosphere delay at radio wavelengths.


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