Korea Aerospace Research Institute
The standard unit of thermodynamic temperature. It is defined as 1/273.16 of the temperature of the triple point of water above absolute zero. The symbol for this is K. Kelvin is measured by the same temperature steps as Celsius but is shifted...
Radar and microwave band in which the wavelengths vary from 1.67-2.4 cm. Source: NASA (http://earthobservatory.nasa.gov/Glossary)