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This book demonstrates how progress in radio astronomy is
intimately linked to the development of reflector antennas of
increasing size and precision. The authors describe the design and
construction of major radio telescopes as those in Dwingeloo,
Jodrell Bank, Parkes, Effelsberg and Green Bank since 1950 up to
the present as well as millimeter wavelength telescopes as the 30m
MRT of IRAM in Spain, the 50m LMT in Mexico and the ALMA
submillimeter instrument. The advances in methods of structural
design and coping with environmental influences (wind, temperature,
gravity) as well as application of new materials are explained in a
non-mathematical, descriptive and graphical way along with the
story of the telescopes. Emphasis is placed on the interplay
between astronomical and electromagnetic requirements and
structural, mechanical and control solutions. A chapter on
management aspects of large telescope projects closes the book. The
authors address a readership with interest in the progress of
engineering solutions applied to the development of radio telescope
reflectors and ground station antennas for satellite communication
and space research. The book will also be of interest to historians
of science and engineering with an inclination to astronomy.
Radio astronomers have developed techniques of calibration of large
reflector antennas with radio astronomical methods, but these have
not been comprehensively described. This text aims to fill this
gap, taking a practical approach to the characterisation of
antennas. All calculations and results in the form of tables and
figures have been made with Mathematica by Wolfram Research. The
reader can use the procedures for the implementation of his own
input data.
Reflector antennas are widely used in the microwave and millimeter
wavelength domain. Radio astronomers have developed techniques of
calibration of large antennas with radio astronomical methods.
These have not been comprehensively described. This text aims to
fill this gap. It takes a practical approach to the
characterisation of antennas. All calculations and results in the
form of tables and figures have been made with Mathematica by
Wolfram Research. The reader can use the procedures for the
implementation of his own input data. The book should be of use to
all who are involved in the design and calibration of large
antennas, like ground station managers and engineers, practicing
radio astronomers and graduate students in radio astronomy and
communication technology.
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