Table 4B.1. Simulation of Telecommunications Effects Resulting from SPS Operation Title of Effort Obj active Benefit to SPS D-Region Communication and Navigation Experiment Measure effects on signals affected by D-region Determination of SPS operation will adversely impact on the performance of LORAN, OMEGA, and AM Broadcasting Systems Analysis of Existing Data Estimate telecommunication system vulnerabilities to potential SPS effects using available data Identification of critical vulnerabilities and system impacts. Will provide guidelines for the direction of detailed experiments. Phase Path Oblique Sounder Experiment Measure effects of field aligned irregularities and density changes on HF communications Early assessment of HF telecommunication system impact. Increased confidence in SPS HF system impact Selected Telecommunication Demonstrations Demonstrate performance impacts on actual telecommunication systems (T.V., CB: AM and FM) Confirms predicted impact or lack thereof on selected high interest systems. Provides direct information to users vis-a- vis SPS operation VHF Sounder Experiment Measure the effects of SPS operations on frequencies between 30 and 200 MHz Early assessment of potential impact on T.V., FM, Comm., and Radar. Increased confidence in SPS impacts. Integration and Interpretation of Experimental Results Analyze overall telecommunications impacts from combined experimental results Provides estimate of overall telecommunications impacts.
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