Radio Shack 20-423 - Manual (Page 11)

11 Understanding Your Scanner
Service Banks
The scanner is preprogrammed with the
frequencies allocated by fire/police, aircraft,
ham radio, and marine services. In these
service banks, you can search through the
frequencies and store them in channels for
fire/police, aircraft, ham radio, and marine
banks. This is handy for quickly finding active
frequencies instead of searching through an
entire band.
Note: The frequencies in the scanner's
service bank are preset. You cannot change
them.
Air
Amateur Radio
Group
Frequency Range
(MHz)
Step
(kHz)
— 108.000–136.9875 12.5
Group
Frequency Range
(MHz)
Step
(kHz)
1 29.000–29.700 5
2 50.000–54.000 5
3 144.000–148.000 5
4 420.000–450.000 12.5