TELECOMMUNICATIONS AND RADIO ENGINEERING - 2010 Vol. 69,
No 6 		 

 

 

 

Instrumental Errors of the Interferometric Method for Troposphere Refraction Investigations Along the Geostationary Satellite-Earth Radio Path


D.D. Khalameyda
A. Usikov Institute of Radio Physics and Electronics,
National Academy of Sciences of Ukraine
12, Academician Proskura St., Kharkiv 61085, Ukraine
Address all correspondence to D.D. Khalameyda E-mail: hdd78@mail.ru

Abstract
The possibility is analyzed of using an interferometer which receives radio signals from a geostationary satellite for estimating, within an exponential troposphere model, the path-integrated gradient of the tropospheric refraction index. The factors influencing the accuracy of angle-of-arrival measurements are discussed and evaluated (including receiver noise, instability of the antenna phase center, and variations of the feeder line parameters). Performance requirements to the interferometer are considered.

KEY WORDS: refraction, interferometer, geostationary satellite



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