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Development of a Simple Home-Brew Radio Telescope
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Author(s): Kim Ho Yeap (Universiti Tunku Abdul Rahman, Malaysia), Wei Gie Lim (Universiti Tunku Abdul Rahman, Malaysia), Tee Tang (Queensland University of Technology, Australia)and Veerendra Dakulagi (Lincoln University College, Malaysia)
Copyright: 2020
Pages: 11
Source title:
Analyzing the Physics of Radio Telescopes and Radio Astronomy
Source Author(s)/Editor(s): Kim Ho Yeap (Universiti Tunku Abdul Rahman, Malaysia)and Kazuhiro Hirasawa (University of Tsukuba, Japan)
DOI: 10.4018/978-1-7998-2381-0.ch003
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Abstract
In this chapter, the design and construction of a simple home-brew radio telescope are illustrated. The radio telescope is built essentially from commercial off-the-shelf components. The main components include an offset prime-focus Ku-band reflector antenna, RF detector circuit, Arduino microcontroller, and a computer. To demonstrate the viability of the telescope, a drift-scan of the sun was performed. From the measurement, it is observed that the radiation signal from the sun has a peak power of –34.3 dBm, half power of –35.4 dBm, and a beamwidth of 3.13o. The impact of rain on the signal from the sky was also investigated. The result shows that there was a noticeable degradation of the power received. A significant amount of energy is absorbed by the dense water vapour in the atmosphere.
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