What is upper and lower sideband on a CB radio?
CB radios in the United States can transmit AM (amplitude modulation) signals, or SSB (single sideband, with suppressed carrier) signals. The 999 kHz signal is in the lower sideband (LSB), and the 1001 kHz signal is in the upper sideband (USB).
What are the frequencies for CB?
The CB Radio spectrum is broken up into 40 channels with CB frequencies ranging from 26.965 to 27.405 MHz. Channels are generally spaced 10 KHz apart….CB Radio Frequencies and Channels.
| CB Channel | CB Frequency (MHz) | Common Usage |
|---|---|---|
| 39 | 27.395 | Open to everyone (and SSB) |
| 40 | 27.405 | Open to everyone (and SSB) |
What CB channel is most active?
Channel usage Channel 19 is the most commonly-used channel by truck drivers on highways, to the point that some radios even have a dedicated button to bring up channel 19 instantly. In most areas of the U.S. other channels regionally used for this purpose include 10, 17, and 21.
What band should CB be on?
27 MHz
1.1 Citizens’ Band (‘CB’) radio operates in the 27 MHz band. It is a short-range radio service for both hobby and business use. It is designed to be used without the need for technical qualifications. However, its use must not cause interference to other radio users.
What is the frequency for CB channel 19?
27.185 MHz
There are 40 channels you may use as a personal CB radio operator. Most truckers use the unofficial channel 19 (27.185 MHz) to communicate. This channel offers highway traffic information from truckers and other drivers.
What channel should my CB radio be on?
Any authorized CB radio frequency is open to all, but some have agreed-upon special purposes. For instance, channel 9 is for emergency use, and channel 19 is used by truckers to report on traffic conditions. Channel 19 is at the middle of the bands, thus has the best antenna efficiency.
Can you talk to police on CB radio?
The Scanner feature operates alongside the CB radio features, there is no switching back and forth between modes; just press a button and you’re listening to Police, Fire department, etc. , while standard CB channels are active.