stlouisx50
Member
Was looking up info about the D. O. T. and found this on their page. Really odd.
www.transportation.gov
What is Radio Spectrum? | US Department of Transportation
Radio spectrum is the part of the electromagnetic spectrum ranging from 1 Hz to 3000 GHz (3 THz). Electromagnetic waves in this frequency range, called radio waves, have become widely used in modern technology, particularly in telecommunication.
www.transportation.gov
