![]() ![]() With so many people trying to broadcast on CB, it actuallyīecame overcrowded and difficult to use. The generally agreed upon hypothesis is that CB’s own popularityīecame its downfall. That boom, however, popularity began to wane. Truckers were especially impacted by this rule, and so began using CB radio inĮarnest to create a network of communications for fuel service, speed traps,Īnd to organize the famous convoys. Popularity in the 1970s came due to the US imposed a speed limit of 55 mph. ![]() In technology grew, the radios being manufactured became even more compact, andĬheaper, meaning more and more people were finding uses for them. On 27 MHz, and thus was born the citizens band we know today. So another band, the Class D service, was created ![]() (UHF) band, but those weren’t affordable for everyone and it wasn’t finding At first, it was used on an Ultra High Frequency It was a way to use personal radio, and handhelds were manufactured for The citizen’s band was first formed in the United States, inġ945. Radio in the long run? There’s actually something of a rivalry between CB radioĪnd hams, though doubtful that anyone would ever admit to it out loud.Ĥ.4 Could I accidentally transmit on CB? The History of CB Radio Stretch around the rule? Is CB actually a better investment when it comes to So how do you tell the difference between them,Īnd how can you avoid accidentally connecting to CB radio? Are there ways to There’s a genuine history behind the use of CB radio that It’s a veryspecific band that exists for a reason. The same goes the opposite way as well, CB users shouldn’t be connecting to hams. So by contacting a CB radio using a ham radio, you are going against the FCC and could face legal repercussions. Licensed hams are not allowed to talk to anyone who is not licensed unless it is an emergency. The answer is yes, and it comes down to legality and licensing. “Convoy.” However, if CB is different from ham radio, does that mean you can’t Thanks to classic movies like “Smokey and the Bandit” and the hit country song It is due to the popularity of CB radio that rose in 1970, When you think of truckers communicating back and forth, they typically ![]() It is separate from amateur radio, more often used byīusinesses. CB refers to Citizens Band, a particular radio band within Have you got a Useless Question you’d like us to answer? If so, let us know by emailing us at. If you enjoyed this Useless Knowledge post, you should check out 35 Useless Facts to Make You Smarter So next time you hear someone say “10-4,” you’ll know exactly what they mean.įollow Useless Knowledge on Instagram for more amazing facts. These days, you don’t need a CB radio to say “10-4.” The phrase has entered the mainstream lexicon and can be used by anyone, regardless of whether they’re a trucker or not. THE DEFINITIVE LIST OF CB RADIO 10 CODES AND WHAT THEY MEANġ0-33: Emergency traffic (rubberneckers).ġ0-65: Awaiting your message or assignment.ġ0-71: Continue with the transmission in sequence.ġ0-95: Transmit dead carrier for 5 seconds. Over time, “10-4” became so ingrained in the trucker culture that it spread beyond CB radios and into popular culture at large. “10-4” fit that bill perfectly-it was short, sweet, and to the point. Since the quality of CB radios wasn’t always great, it was important for truckers to use code words and phrases that would be easy to understand, even if the signal was weak. Back then, truckers used CB radios to communicate important information about traffic conditions, police activity, and anything else that might be relevant to their fellow drivers. In those days, before cell phones and the internet, CB radios were one of the only ways for truckers to stay in touch with each other while on the road. The origins of the phrase “10-4” are a bit murky, but it’s believed to have originated in the early days of CB radio. But where did this phrase come from, and what exactly does it mean? Let’s find out. If you’re from a generation that didn’t grow up with CB radios, you might not know that 10-4 is radio code used to indicate that the message has been received loud and clear. You might have heard someone say “10-4” and wondered what in the world they were talking about. 10-4 MEANING, AND THE DEFINITIVE LIST OF CB 10 CODES ![]()
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