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Microwave solar radiometer at 2800 MHz

  • K. Narayanan
  • R. V. Bhonsle
Article
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Abstract

A Dicke-type microwave radiometer has been developed for daily measurement of solar flux at 2800 MHz. The antenna system, consists of a 5 foot parabolic dish with horn feed, is equatorially mounted and is capable of tracking the sun for about 8 hours each day. The dynamic range of the radiometer is such that even strong solar bursts (flux = 10,000 × 10−22 Watts m−2 Hz−1) can be recorded by using the receiver in the AGC mode.

The calibration procedure and the errors involved in the measurement of the solar flux are briefly discussed. Some sample records of solar bursts made by means of this equipment are presented.

Keywords

Solar Flare Noise Source Switching Frequency Solar Flux Microwave Radiometer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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    Medd, W. J. and Covington, A. E. “Discussion of 10·7cm solar radio flux measurement and an estimation of the accuracy,”Proc. I.R.E., No. 1, Jan, 1958,46, 112–18.CrossRefGoogle Scholar
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    Kraus, J. D...Radio Astronomy, McGraw-Hill Book Company, New York, 1966.Google Scholar
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    Bhonsle, B. V., Alurkar, S. K., Narayanan, K. and Mattoo, S. K. “Two-element pha-seswitched interferometer at 110 MHz and 74 MHz,”J. Instn. Telecom. Engrs., No. 6, 1971,17, 217–25.Google Scholar
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    Kuz’min, A. D. and Salomonovich, A. E.Radio Astronomical Methods of Antenna Measurements, Academic Press, New York, 1966.Google Scholar

Copyright information

© Indian Academy of Sciences 1971

Authors and Affiliations

  • K. Narayanan
    • 1
  • R. V. Bhonsle
    • 1
  1. 1.Physical Research LaboratoryAhmedabad-9

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