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Sun noise
Quiet sun radio noise is often used for measurements of radio receiving systems. The radio flux from the quiet sun is a known signal in that it is measured and reported at observatories around the earth, and therefore provides a basis of assessment of radio receiving systems. I have been playing around with a little online calculator to calculate interpolated recent solar flux data for amateur radio UHF and microwave bands from published observations. It is at http://www.vk1od.net/qsrf for those who may find it useful. Owen |
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