An electromagnetic compatibility analysis of the AN/URC-109 HF Wideband Communication System as installed on the LHD-1 Amphibious Assault Ship
Seaver, George A.
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The purpose of this study was to evaluate the performance of the AN/URC-109 HF Wideband Communication System as it is to be installed on the LHD-1 Amphibious Assault Ship. The system is configured so that as many as twenty-two HF transmitters can be operated simultaneously. The COSAM II(DECAL/PECAL)Wideband and Narrowband RF Architecture Analysis Program was used in conducting the evaluation. The program was first run in the necessary desired power mode to determine if any of the 506 possible RF coupling paths would have unsatisfactory interference levels and to determine the mean necessary desired power for each receiver. Then the program was run in the system performance score mode to evaluate the performance of each of the twenty-three receivers. Although two of the receivers had marginally unsatisfactory scores, the overall system performance was determined to be satisfactory, with an average performance score of 84%. (Theses) (rh)
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