Abstract
Das Gupta and Basu have reported a new method of determining the basic component of solar radio emission (B component)1. The analyses were made at frequencies of 1,000, 2,000, 2,800, 3,750 and 9,400 Mc/s for the years 1958 (sunspot maximum) and 1964 (sunspot minimum). The values obtained were in good agreement with those obtained experimentally by other workers. It was also shown that the factor by which the basic component changes from the sunspot maximum to the sunspot minimum depends on the frequency. The maximum to minimum ratio was found to be highest at 1,000 Mc/s and to fall off exponentially at higher frequencies.
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References
Das Gupta, M. K., and Basu, D., Nature, 208, 739 (1965).
Tanaka, H., Proc. Res. Inst. Atmos., Nag. Univ., 11, 41 (1964).
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BASU, D. Relation between Basic Components of Solar Radio Emission at Centimetre and Decimetre Wavelengths and the Solar Cycle. Nature 212, 804–805 (1966). https://doi.org/10.1038/212804a0
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DOI: https://doi.org/10.1038/212804a0
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