The Interleaved (also known as White Space) UHF spectrum between 470 MHz to 606 MHz (Channels 21 - 37) and 614 MHz to 790 MHz (Channels 39 to 60) may be licensed on a Site Specific Coordinated basis. Coordinated licences grant the holder exclusive use of particular frequencies or blocks of spectrum at a particular location for a specified period of time. Coordination between users is carried out by Arqiva PMSE as part of the licensing process.