Radio had expanded its reach to many, but the main user for the majority of its early years were police stations and officers. Transmissions were still difficult to understand with words being cut off or unintelligible, so in 1937 the Association of Public Safety Commissions (APCO) had an idea to change that. Despite radio's success in the 1920s and 30s, the signals being transmitted still needed improvement. ![]() As with every business that takes off widely, rules and regulations must be in place so the Radio Corporation Agreement (RCA) was sanctioned by the government. The 1920s were an important decade in the history of radio, with the first radio advertisement being run, major organizations being created like the BBC, CBS and NBC. Enthusiasts really changed the way radio was perceived by the public, showing its potential as a leader in communicating with wider audiences and in 1920, the first commercial radio broadcast was used to announce the election results. After the war and throughout the 1920s, radio was no longer used exclusively by the military, and citizens started buying radios of their own. In the outbreak of World War I 1914, the importance of radio was recognized because it allowed to relay messages in real-time to officers and soldiers on the front lines. ![]() In those years, Morse Code was used for communicating because the signals to transmit messages were often unclear and spotty. Prior to the 1920s, radio was not commercialized like it is today with it only being used for contacting military ships out at sea. Throughout the 1900s and 1930s, he created various versions of radios with a few being adopted by the BBC and other organizations for wireless broadcasting. In the early 1900s, Marconi revolutionized communication methods when he successfully transmitted his first wireless telegraphy signal across the Atlantic Ocean. After 20 years of experience working with telegraphy, Marconi was one of the only inventors at the time that experimented with Hertz, which were found in electromagnetic waves. In 1896, Guglielmo Marconi invented the first rendition of the radio. To understand where 10-Codes come from, you need to know some background information. In honor of it being October 4th, let's take a look at the origin of the universal trucker lingo. People across the United States know the very popular 10-4, but like many other common phrases, not many know where it comes from. Everyone knows that truckers have their own version of communication over radio. This entry was posted in CB Radios on Januby danny.Trucking has a long and vast history, not only in the United States but worldwide. ![]() The list of 10 codes below was taken from the manual of a Cobra CB Radio. I don't recommend that you memorize the list below, just use it as a reference if you hear something that you're not sure about. ![]() If you're new to the CB world, take a look at the list below to get familiar with some codes you may hear.Īs you can imagine, some are more popular than others. Ten codes are an abbreviated way of sending messages, some of which are very common among those that use CB radios frequently or professionally. The following is a list of CB radio "10 codes". Cigarette Lighter Adapters and Accessories.Two Way Radio Books and Reference Cards.
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