Ka-band: The electromagnetic spectrum between 18 and 31 GHz used for satellite (2) communications. It is part of the K-band region. See Appendix N.
Kansas city: An obsolete standard for recording computer data or programs on audio cassette tape. (Hist.)
K-band: The electromagnetic spectrum between 10.9 GHz and 36 GHz used for satellite (2) communications. See Appendix N.
Kell factor: A correction for a reduction in apparent vertical resolution in interlaced television systems compared to the number of lines. Commonly taken as about 0.7.
Kelvin (K): SI unit of thermodynamic temperature, equal to 1 degree Celsius, but on a scale where zero corresponds to –273.16 degrees Celsius. This is the absolute zero of temperature and so the Kelvin unit ...