Federal VHF/UHF Channel Plans

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

• NTIA Redbook page
• NTIA Redbook Chapter 4 direct link
• All new federal radio systems must conform to these plans (with some exceptions). Legacy system that do not conform may remain until they are replaced.

4.3.7 Channeling Plan for Assignments in the Band 162-174 MHz

• 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

380-400 MHz Federal Land Mobile

• Not in Redbook. Citation needed.
• Standard +10.0 MHz offset

380.000-389.9875 Base/repeater output
390.000-399.9875 Mobile/repeater input