Development of a Radio-Noise Measurement System

Details Development of a Radio-Noise Measurement System Development of a Radio-Noise Measurement System

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996pkas...11..221p&link_type=abstract

Publications of the Korean Astronomical Society, vol.11, no.1, p.221-229

Astronomy and Astrophysics

Astronomy

Scientific paper

We have developed a measurement system with which harmful radio noise can be detected. It was designed to cover 1GHz band width centered at 1.5GHz and 22.2GHz (H_2O line). The system consists of pyramid horn antennas, receivers, equatorial tracking system, spectrum analyzer, and PC for the control of the servo and data taking. As a test of the system, the site of Taeduk Radio Astronomy Observatory (TRAO) was investigated to see if there is any harmful radio interference. It is found that in 22GHz band there is no significant radio noise, but there are identified and unidentified artificial radio signals in 1-2GHz range. However a simple calculation of radiation power shows that it is week enough not to affect the observations in TRAO.

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