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HawkEye 360 aims to make invisible radio communications visible with its emission-detecting satellites. (HawkEye 360) WASHINGTON — In the past, intelligence analysts have only had access to classified ...

If you’ve ever wondered exactly what UHF, VHF, UV, LFO, gamma rays, cosmic rays and so on are and what exactly it is they do, this awesome old chart should do you right. Among other things, it has ...

Thank you for completing the survey. Click the links below to download your 2014 European Radio Frequency Allocations Charts. Charts Include: 3-3000 kHz, 3-30 MHz, 30-3000 MHz, 3-30 GHz and 30-300 GHz ...