CB radio is a system of two-way radio communication normally over short distances, There were originally 23 channels in the USA, the first 22 of which were on Amateur 11-meter band. The 23rd channel was also used by radio controlled devices. These days 40 channels are used within the 11-meter band.
You do not hear very much about CB radio these days, but in the 1960s and 1970s, this method of communication was incredibly popular. It was not only truck drivers who used CB or Citizen’s Band radio; many members of the public embraced the craze that spread widely throughout the USA and the UK and it was also extensively employed by small businesses. This was, in part, due to the fact that advances in electronics and solid state circuitry meant that the radios could decrease in weight, size and cost, becoming inexpensive enough for more people. CB …Read more →