Since 1959, when the Class "D" Citizen Band was allocated, The evolution of CB has gone through many changes. Built in the USA, tube radios were expensive, yet simple. With only 23 Channels controlled by using a number of crystals, these early radios provided a hobby for some, and an emergency back up communication system to many U.S. citizens.

As technology improved, and the cost reduced, the CB grew into a booming industry. CB radio has developed into a low cost, and still effective, means of communication that has survived for 50 years. (more...)