Frequency License Question?

[SCPD]

So, I have a question. So if a city has four frequencies licensed: say they're:

453.000
453.025
453.050
453.075

So, channel one is 453.075, 2 is 453.000, 3 453.025 and four 453.050 anyways my point is:

Why don't they just go in order?

1 453.000
2 453.025
3 453.050
4 453.075

I'm just wondering if there is a meathod to how frequencies are arranged in a radio. Thanks

 

[wmullins8195]

In my county, we had Channel 1 first, added Channels 2&3 a few years after, and added 4 years later. Maybe just the way the FCC gives them out? It is the government, after all.

 

[n5ims]

It could be that they expect lots of activity on channel 1, significant activity on channel 2 and only minimal on channels 3 & 4. If they set things up quite a while ago the radios may have issues with bleedover from adjacent channels so they made the two with the most expected load the widest apart frequency wise and those with lesser expected load inbetween to reduce the possible adjacent channel interference.