Simultaneous two-way communication at 20 and 30 GHz is possible with versatile paraboloid-dish antenna. Developed for two-way communications between Space Shuttle and ground station, antenna includes parabolic reflector, feed horn, waveguide network, and single-axis gimbal mounting. System resolution and accuracy are better than 1 percent.
Dual-frequency bidirectional antenna
NASA Tech Briefs ; 5 , 2
1980-09-01
Sonstige
Keine Angabe
Englisch
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