ITU Radiocommunication Sector (ITU—R) is that part
of the ITU which performs
a major role in the global
management of the radio—frequency
spectrum and satellite orbits, for services such as fixed, mobile,
space research, emergency telecommunications, meteorology, global positioning systems, environmental monitoring and
communication services, that ensure safety of life on land, at sea and in the air. Formerly known as the CCIR.
Radiotelephony using amplitude modulation, single sideband, suppressed carrier. Often referred to as ‘SSB’.
Japanese Ship Reporting System
Australian Joint Rescue Coordination Centre, located in Canberra.
Kilobits per second. One kilobit equals 1 000 bits.
Kilohertz (1 000 hertz). A measurement unit of radio frequency, oscillations and vibrations equaling 1 000 cycles per second
Kilometre. (1 000 metres)
Knot. One nautical mile per hour.