Prism beamswitch for radio telescopes.
A dielectric prism and switching mechanism have been constructed for beamswitching a Cassegrain radio telescope. Spatially extended radio sources may be mapped without significant confusion utilizing the sensitivity and stability inherent in the conventional Dicke radiometer.
Payne
J M
JM
National Radio Astronomy Observatory, Tucson, AZ 85712, USA.
Ulich
B L
BL