Abstract
In order to verify that the analysis of satellite navigation signal observation data can be used as a means of predicting military operations, this paper combines the recent Iranian shooting down of UAV event, using RTKLIB software to analyze the parameter of visible satellite numbers, SNR(signal-to-noise ratio), and accuracy factor, multipath error, positioning accuracy and other indicators in order to avoid errors in the analysis results of a single type of receiver data analysis, further IGS in the vicinity of Iran and around the world according to the type of receiver, antenna type, and firmware version used. Observe the data for analysis. The analysis shows that the signal power of the GPS L2 frequency is enhanced in the United States from 15:00 on June 20, 2019 to 9:00 on June 21, 2019. The enhancement range is global. The analysis system of this paper can as an effective means of accurately predicting and judging military operations.
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