Direct-broadcast ellipsoidal antenna 40 percent smaller than spherical reflector. Balloon antenna has feedpoint on surface of ellipsoid outside balloon, simplifying balloon deployment and feed support. Dielectric shrouds used locally to adjust shape of balloon and maintain feed distance at its optimum value.
Ellipsoidal Balloon Antenna
NASA Tech Briefs ; 8 , 4
1985-04-01
Miscellaneous
No indication
English
Ellipsoidal mirror reflectometer.
NTRS | 1966
|Improved Ellipsoidal Radiation Furnace
NTRS | 1985
|