Does an amateur license allow you to operate a RADAR system? I doubt it. I had thought that amateur operators were somewhat limited in the sorts of hardware and operations they are permitted. (E.g., type acceptance of equipment when operating outside designated amateur bands.)<p>And in the U.S. at least the bands around 5.5 GHz (the so-called U-NII-2 and U-NII-2 extended bands) are subject to lots of interesting rules for unlicensed operation, including the ability to detect and avoid incumbent RADAR signals. <a href="https:&#x2F;&#x2F;transition.fcc.gov&#x2F;bureaus&#x2F;oet&#x2F;ea&#x2F;presentations&#x2F;files&#x2F;oct14&#x2F;51-New-Rules-for-UNII-Bands,-Oct-2014-TN.pdf" rel="nofollow">https:&#x2F;&#x2F;transition.fcc.gov&#x2F;bureaus&#x2F;oet&#x2F;ea&#x2F;presentations&#x2F;file...</a><p>Of course, I know literally nothing about the Finnish rules that actually apply here...except that, thanks to the ITU, they probably bear some resemblance to the U.S. rules.