Dual-band reflector feed system for classical Cassegrain radio telescopes

1993 ◽  
Vol 41 (3) ◽  
pp. 325-332 ◽  
Author(s):  
R.T.K. Jaldehag ◽  
P.-S. Kildal ◽  
B.O. Ronnang
Keyword(s):  
Dual Band ◽  
Radio Telescopes ◽  
Feed System

The designing, manufacturing, and testing of a dual-band feed system for the Parkes radio telescope

2005 ◽  
Vol 47 (3) ◽  
pp. 13-19 ◽  
Author(s):  
C. Granet ◽  
H.Z. Zhang ◽  
A.R. Forsyth ◽  
G.R. Graves ◽  
P. Doherty ◽  
...  
Keyword(s):  
Radio Telescope ◽  
Dual Band ◽  
Feed System

The dual-band LP feed system for the Sardinia Radio Telescope prime focus

2010 ◽  
Author(s):  
G. Valente ◽  
T. Pisanu ◽  
P. Bolli ◽  
S. Mariotti ◽  
P. Marongiu ◽  
...  
Keyword(s):  
Radio Telescope ◽  
Dual Band ◽  
Feed System

The Role of VLBI in the Establishment of Coordinate Systems

1975 ◽  
Vol 26 ◽  
pp. 293-295 ◽  
Author(s):  
I. Zhongolovitch
Keyword(s):  
General Solution ◽  
Future Development ◽  
Rational Approach ◽  
Radio Telescopes ◽  
Coordinate Systems ◽  
Tectonic Plates ◽  
Astronomical Observations ◽  
Optical Instruments ◽  
Fundamental Polyhedron

Considering the future development and general solution of the problem under consideration and also the high precision attainable by astronomical observations, the following procedure may be the most rational approach:1. On the main tectonic plates of the Earth’s crust, powerful movable radio telescopes should be mounted at the same points where standard optical instruments are installed. There should be two stations separated by a distance of about 6 to 8000 kilometers on each plate. Thus, we obtain a fundamental polyhedron embracing the whole Earth with about 10 to 12 apexes, and with its sides represented by VLBI.

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