Federal VHF/UHF Channel Plans

From NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management (NTIA Redbook) Chapter 4

4.3.7 Channeling Plan for Assignments in the Band 162-174 MHz (12.5 kHz Plan)

No standard offset
Excludes 173.2000-173.4000 non-federal band

162.0500-166.4875 Mobile/repeater input
166.5000-169.5000 unpaired single frequency systems
169.5125-173.9875 Base/repeater output

4.3.9 Channeling Plan for Assignments in the Band 406.1-420 MHz

Standard +9 MHz offset

406.1125-410.9875 Base/repeater output
411.0000-415.1000 unpaired single frequency systems
415.1125-419.9875 Mobile/repeater input