Frequency is the measurement of the number of times that a repeated event occurs per unit time. It is also defined as the rate of change of phase of a sinusoidal waveform
 
  

 
Frequencies

CEC / KX and it's member towns, operate on a number of VHF and UHF Channels. Departments have their own fireground and repeater channels in addition to the primary channels listed here. These are just a few of the 'Good Listening' Channels.

33.80
Tone & Dispatch
46.18
Tone and Dispatch
33.72
Operations
33.74
Operations
33.78
Operations
33.82
Colchester Operations
33.90
Primary Operations
46.22
Primary Operations
155.400
Middlesex Pararmedics
155.490
East Hampton Police

A good website for looking up area channels is www.radioreference.com .