US radio frequency allocation chart.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...s_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...llocations.jpg
Previously:
https://www.homemadetools.net/forum/...260#post130810
https://www.homemadetools.net/forum/...348#post154446
https://www.homemadetools.net/forum/...839#post119295
