A study of new primary feeds in the Effelsberg radio telescope

Details A study of new primary feeds in the Effelsberg radio telescope A study of new primary feeds in the Effelsberg radio telescope

Feb 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975nacze..28...41k&link_type=abstract

Nachrichtentechnische Zeitschrift, vol. 28, Feb. 1975, p. 41-46. In German.

Astronomy and Astrophysics

Astronomy

1

Antenna Feeds, Parabolic Reflectors, Phase Error, Radio Telescopes, Error Analysis, Radio Astronomy, Scattering Functions, Wire Cloth

Scientific paper

The characteristics of coaxial feeds for the parabolic reflector antenna of a 100-m radio telescope are considered. Advantages of the new feeds are partly related to a significant reduction of the feed support blockage loss. Scattering and phase errors in the aperture field are also reduced. Questions of area utilization in the case of a radio telescope with primary feeds are investigated, giving attention to the effect of wire gratings. Experimental values are compared with theoretical data.

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