Accession Number : AD0432414


Title :   TARGET ACCURACY EXPERIMENT,


Corporate Author : SMYTH RESEARCH ASSOCIATES SAN DIEGO CALIF


Personal Author(s) : Hughes,L R ; Gibbs,J H ; Morgan,L A


Report Date : Feb 1964


Pagination or Media Count : 328


Abstract : The Earth's atmosphere distorts the radio view of space vehicles as seen from the earth's surface. The limitations placed on ones ability to position and locate objects in space as a consequence of this distortion is the subject of the reported investigations. A detailed experimental program was pursued to measure particularly the elevation angle errors incurred in making space target measurements from the earth's surface when viewing near the horizon. Signals originating in artificial earth satellites were viewed through the distorting atmospheric medium and analyses performed to define the observed distortions as a function of space, frequency, and time. (Author)


Descriptors :   *SPACE SURVEILLANCE , PERFORMANCE(ENGINEERING) , ARTIFICIAL SATELLITES , TRACKING , ERRORS , RADIO SIGNALS , DISTORTION , POSITION FINDING , IONOSPHERE , ATMOSPHERIC REFRACTION , TROPOSPHERE , TABLES(DATA) , IONOSPHERIC PROPAGATION , ATMOSPHERIC SOUNDING , RADIO INTERFEROMETERS , RADIO TRANSMISSION , ELECTROMAGNETIC RADIATION


Distribution Statement : APPROVED FOR PUBLIC RELEASE