Licensees can use a frequency channel of 10 MHz in this frequency range for a fixed period of time. Up to seven PAL licenses can be assigned. Applicants may receive a maximum of four PALs. Each Priority Access License (PAL) is defined as a non-renewable authorization to use a 10 megahertz channel in a specified range for three years. A total of up to seven PALs may be assigned in a given census tract, with up to four PALs going to a single applicant.