Channel spacing

Channel spacing, also known as bandwidth{{Citation needed|date=September 2019}}, is a term used in radio frequency planning. It describes the frequency difference between adjacent allocations in a frequency plan. Channels for mediumwave radio stations, for example are allocated in internationally agreed steps of 9 or 10 kHz: 10 kHz in ITU Region 2 (the Americas), and 9 kHz elsewhere in the world.[https://web.archive.org/web/20110927113038/http://edocket.access.gpo.gov/cfr_2006/octqtr/47cfr73.44.htm US 47CFR73.44 AM transmission system emission limitations]