What does CB stand for in CB radio communications between truckers?

Answer 1

CB = Citizens Band.

What makes it different from other radio "services" is not so much who is allowed to

use it, but the qualifications they have to meet in order to use it.

Other radio services, in other frequency bands, require a license in order to use a

transmitter in their band. The "Citizen's Band" is unique because the only requirement

is that the operator of the transmitter be a citizen of the USA. In other words, if you

can afford to buy the radio set and your thumb is strong enough to push the button

on the mike, then you can go right ahead, no license required.

That's the reason why, so often, the 27 MHz Citizen's Band sounds like the audible

equivalent of what a downtown city street would be like at rush hour if nobody there

had ever taken a driving test.