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Ofcom spectrum map long bar

The U.K. telecommunications regulator Ofcom has just released an interactive “map” of the country’s radio spectrum, showing which frequencies are assigned to which use types – all the way from the 8.3-11.3 kHz band (weather stations) to the 250-275 GHz band (radio astronomy). For fans of such things, it’s a delightfully presented and highly useful resource, though it stops short of naming specific companies that own chunks of spectrum, like mobile carriers. For newbies, it’s at the least a great visual representation of the finite and invisible spectrum resources on which much of our technology relies. Ofcom’s U.S. equivalent, the FCC, also provides a spectrum dashboard with similar functionality.