An analysis is made of the errors in the determination of the position of an emergency transmitter in a satellite-aided search and rescue system. The satellite is assumed to be at a height of 820 km in a near-circular near polar orbit. Short data spans of four minutes or less are used. The error sources considered are measurement noise, transmitter frequency drift, ionospheric effects, and error in the assumed height of the transmitter. The errors are calculated for several different transmitter positions, data rates, and data spans. The only transmitter frequency used was 406 MHz, but the result can be scaled to different frequencies.
Error Analysis for Relay Type Satellite-Aided Search and Rescue Systems
IEEE Transactions on Aerospace and Electronic Systems ; AES-15 , 5 ; 660-665
1979-09-01
1288404 byte
Article (Journal)
Electronic Resource
English
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