Federal VHF/UHF Channel Plans

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

• NTIA Redbook page
• NTIA Redbook Chapter 4 direct link

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

• No standard offset
  
• Excludes the 173.2000-173.4000 non-federal band
  
• There are other unpaired single frequencies in other parts of the band that are not specified in the manual.

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 +9.0 MHz offset
• The manual contains a table of all channel pairs

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