ITU-R Atmospheric Attenuation

RF Cafe visitor Paul M., wrote asking where I got the data for my plot of atmospheric attenuation because he could not locate a table of data online. I told him it was generated by entering frequency / attenuation pairs from published charts into Excel and then plotting them. It was done that way to avoid a possible copyright violation. A month or so later, Paul wrote back providing a link to the International Telecommunications Union's (ITU) official document he finally found that provides this and lots of other data and charts. Thanks, Paul.

Posted July 2012

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