GPS and GLONASS Radio Interference in Germany

Felix Butsch

Abstract:	The goal of the work described here was to search for interference sources that could pose a threat to the appli-cation of GPS for automatic airport approach and landing of aircraft. For this purpose field measurements were conducted in the vicinity of airports, radar facilities and other radio frequency transmitters throughout Germany, and interference resistance measurements of commercial GPS receivers were taken. An additional aim was to examine the interference problems of GLONASS signals. The paper presents a short description of the theoretical background of interference problems. After this, it des-cribes the test configurations which were used for labor-atory and field measurements. Also it shows typical power spectra of interference sources measured in the field, which are compared with interference resistance versus frequency curves determined in the laboratory.
Published in:	Proceedings of the 10th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1997) September 16 - 19, 1997 Kansas City, MO
Pages:	1427 - 1436
Cite this article:	Butsch, Felix, "GPS and GLONASS Radio Interference in Germany," Proceedings of the 10th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1997), Kansas City, MO, September 1997, pp. 1427-1436.
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