19.4 The ICAO and the ITU The International Telecommunications Union (ITU) is the leading UN agency for telecommunications. The ITU is responsible for the allocation, assignment, and registration of bands of the radio-frequency spectrum.
19.4 The ICAO and the ITU The International Telecommunications Union (ITU) is the leading UN agency for telecommunications. The ITU is responsible for the allocation, assignment, and registration of bands of the radio-frequency spectrum.