They transmit way too much information for their own good. The problem with CB radios today, in my eyes anyway, is that many people don't know when to get off when they have no business being on the air in the first place. They always seem to be using channel 19 to practice, asking questions, and such.
Fm 11 32 pdf full#
It was once legal for non-amateur radio service users to use only five specific channels above and below those allocated, but this exemption was eliminated by the 1999 FCC ruling.įreebanding is a big issue indeed! Channel 19 is always full of vehicles (called 'stuck mikes'), who are innocently enjoying their new toy. Transmitting between channels is called "hopping" or "chirping". This includes any use which exceeds that allowed by the FCC for communication on the 26/27 MHz band, such as listening to or transmitting between FM radio stations (87.9 through 107.1), scanning services, television weather spots, broadcast stations, and other signals.
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You might like: 4 Types of CB Radios Explained What is "Freebanding" ? -įreebanding or Freeband CB'ing refers to the practice of communicating outside your license privileges by using modified channels above or below your frequency allocation. It's a free-for-all where anyone can "Try CB radio For Free". No matter what channel they are on, everyone listens to channel 19 from time to time just for fun. Sometimes you can be in a harbor and have 20 radios going off all around you with channel 16 being the most popular. In states such as Florida, Texas, and California where there is a lot of back and forth between boats in close proximity Channel 16 is used extensively due to its proximity to the marine band.īoat captains call each other on channel 16 - 17 (as well as channel 9) all day long relaying position reports or leaving a voice mail for their buddies who might not be tuned in yet. You just need to be able to get a signal on your specific scanner from that other party you are trying to communicate with.įor example, West Coast boaters use 21 and 22 which are clear of any ham user.
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The majority of highway/truck drivers operate around channels 5 and 11, while many boaters use channels 16 through 22 for local communications within their immediate area.Ī lot of people have scanners that let them receive any channel that they like, or they may own more than one radio so that they can monitor several channels at the same time. Generally speaking, channel 1 is the most popular cb channel and 13 is the least used because it doesn't overlap with any VHF radio service.ĬB radio Channel 11 is also very rarely used due to its proximity to an amateur (ham) radio repeater output frequency (channel 1). It really depends on where you are located in the world and what other services exist there as well. CB radio operators can be found on one or another of the 40 channels, depending on what they are trying to do. You might like: Best Two Way Radio What band should CB radio be on?. In October 1983 it was further ruled that these CB channels could be used by individuals on two-way radios in their cars only while driving (hands-free), and then only during periods when the vehicle was actually being operated or was required to be equipped with an operable two-way radio. In 1981, in an effort to increase highway traffic safety, 14 UHF CB radio channels became "highway" channels (29 through 42) and 11 UHF CB channels were "intermediate" CB channels (50 through 59). In late 1979 the FCC removed channels 1 - 13 from the 40 channel CB band plan. The use of the original 29 VHF + 21 UHF was later reduced to only 14 "mid-band" UHF CB radio channels (14 through 28). There were originally 40 VHF low-band (1 to 6 MHz) and 20 UHF high band (ultra high frequency, 300 kHz - 3 MHz) channels in total. The original 26 "mid-band" UHF CB channels that start at channel 14 are now on the 446 MHz service. Channels 30, 31 and 32 are 2 meter ham radio repeater outputs (operate in the 70cm band). UHF channels were channels 14 through 40, and VHF channels were 1 - 13. UHF (Ultra High Frequency) and VHF (Very High Frequency). Understand that there are two "worlds" of channels. You can hear the difference in sound quality between FM and AM on your local FM stations when a thunderstorm gets too close to the transmitter. The CB radio spectrum is AM - Amplitude Modulation.
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