Direct-broadcast satellite antenna designs provide contoured beams to match four time zones in 48 contiguous states and spot beams for Alaska, Hawaii, and Puerto Rico presented in 29-page report. Includes descriptions of procedures used to arrive at optimized designs. Arrangements, amplitudes, and phases of antenna feeds presented in tables. Gain contours shown graphically. Additional tables of performance data given for cities in service area of Eastern satellite.
Time-Zone-Pattern Satellite Broadcasting Antenna
NASA Tech Briefs ; 12 , 6
1988-06-01
Miscellaneous
No indication
English
NTIS | 1977
|NTIS | 1977
NTIS | 1970
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