Investigation of radio astronomical windows between 1 MHz and 2060 MHz in Universiti Malaya, Malaysia

Details Investigation of radio astronomical windows between 1 MHz and 2060 MHz in Universiti Malaya, Malaysia Investigation of radio astronomical windows between 1 MHz and 2060 MHz in Universiti Malaya, Malaysia

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009newa...14..579a&link_type=abstract

New Astronomy, Volume 14, Issue 6, p. 579-583.

Astronomy and Astrophysics

Astronomy

1

Scientific paper

An indoor and an outdoor radio frequency survey was conducted in Universiti Malaya, Malaysia, as a test site, for the purpose of developing radio astronomy research in Malaysia. This is the first radio astronomical survey of any such done in Malaysia. Observation and analysis were done in the radio frequency spectrum between 1 MHz and 2060 MHz. In this paper, the experimental setup and procedure of surveying are outlined and the measured data are interpreted. The eight radio astronomical windows were investigated from a 24 h observation, with the emphasis on two of the most important radio astronomical windows which are protected by the Malaysian Communications and Multimedia Commission (MCMC). Some intermittent observations were also done for referencing purposes. The radio frequency interferences (RFIs) are found to be relatively low. The overall relative Interference-to-Noise ratio (INR) at this test site ranges between 5.72% and 11.74%. The average strength of RFI in the eight focused radio astronomical windows at this site ranges between -100 dBm and -90 dBm (equivalently between 9.23 × 104 Jy and 93.29 × 104 Jy at resolution bandwidth of 125 kHz).

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