31
Primary Usage
As a general rule, most of the radio activity is concentrated on the fol-
lowing frequencies:
VHF Band
UHF Band
Note: Remote control stations and mobile units operate at 5 MHz higher
than their associated base stations and relay repeater units.
Specified Intervals
Frequencies in different bands are accessible only at specific intervals.
For example:
Note: Your scanner rounds the entered frequency to the nearest valid
frequency. For example, if you try to enter 151.473, the scanner accepts
this as 151.475.
Activities
Frequencies
Government, Police, and Fire
153.785–155.980 MHz
Emergency Services
158.730–159.460 MHz
Railroad
160.000–161.900 MHz
Activities
Frequencies
Land-Mobile “Paired” Frequencies
450.000–470.000 MHz
Base Stations
451.025–454.950 MHz
Mobile Units
456.025–459.950 MHz
Repeater Units
460.025–464.975 MHz
Control Stations
465.025–469.975 MHz
Band Type
Specified Interval
VHF, HAM, and Government
5.0 kHz steps
All Others
12.5 kHz steps
Aircraft
25.0 kHz steps
20-509.fm Page 31 Wednesday, August 4, 1999 1:58 PM
