40 channel cb frequencies pdf

My book explains the pros and cons of both radio types, as well as their modification methods. You must use a cb antenna sold separately with this radio. To skip the channel the radio has stopped on, turn. It is designed to be used without the need for technical. The next columns list the corresponding 40 cb channels and the customary. Cb radio users will no longer have to replace their olderstyle 40 channel equipment. Name details 1 cbpa switch switches between cb radio and pa systems 2 volume power adjusts the volume.

Backlight button press to turn lcd backlight on or off 6. The unit, usable both in professional and private situations. No cb channel is assigned to any specific individual or organization cb rule 7. While most of the activity occurs above channel 40, youll find some am action below channel 1 as well. The year was 1945 and the service was regulated by the federal communications commission.

A radio frequency that is below the citizens band, for example, is often quiet and seemingly underutilized. Not all channels on cb are for everyday use, some have very specific roles and using them may interfere with other legitimate users of the band. Do not use the pa function unless an external speaker is connected. Please read this manual thoroughly to ensure you get the best from the. Designed for 40 channel citizen band mobile operation, this transceiver is big on performance. Listed below are the 80 cb channels 40 cept and 40 2781 the use of these frequencies are now licence free since the 8th of december 2006. You can get handheld radios from maplin that use these frequencies, theyre popular with outdoor types who need a bit more power theyre 5w as opposed to. Citizens band radio used in many countries, is a land mobile radio system, a system allowing. Channel 9 is the emergency channel indicated by yellow and channel 19 is the. Rc indicated frequencies used for radio control and industrial purposes. This midland mini portable cb radio has 4w of output power for maximum transmission range. There was a twentythird channel that was shared among radio controlled devices. Oct 12, 2018 frequencies above 28,000 mhz in the cb radio frequency chart are considered illegal by fcc. Also, because of the long wavelength, cb antennas good ones anyway are large by.

Its srf meter and 4 digit led indicators helps you to monitor activity at a glance. Download csv file of all identified frequencies for agency. Similar service includes the general mobile radio service gmrs. For more frequencies see the uk scanning directory. For your convenience we have added also pdf versions of the charts available for download. Citizens band cb radio spectrum use information and operation. The fine is mainly because all of those channels are for licensed amateur radio operations. Citizens band cb radio operates in the 27 mhz band. Background the cb service provides a service for shortdistance. The 20 khz jump every 4 channels in the lower half of the band was to protect radiocontrol channels that existed before the citizens band was created.

There are no channels authorized in the cb radio service above 27. The service is am but also allows for ssb operation on radios that are capable. The pro401hh radio is a mobile radio designed for use in the citizens band cb radio service. Press and hold to set or clear channel memory while in memory mode. In 1977, the new 40 channel digitally tuned pll phaselockedloop radios started to flood the cb market. Compact remote mount cb radio with soundtracker system. Channel 19, frequency wise, is the bands deadcenter channel. With the help of our ssb chart we will guide you by providing length of radio wave, voice range, and full band range also we offer the frequency that. Acma reverses decision ruling thousands of cb radio sets. Press memscan twice if in cb mode once if in mem mode. In the us, a tv channel is a 6 mhz wide chunk of bandspace. Users must avoid interference with other services that may use the same frequencies, such as radio amateurs or others.

Citizens band is distinct from other personal radio. Please read this operating manual carefully to ensure you gain the optimum. The 40 cb channels in the united states can become overcrowded at times, which drives many cb radio operators to use frequencies that are above or below the permissible cb frequencies. Citizens band radio equipment information and operation. Cb, as it is called, is a twoway voice communication service for use in your personal and business activities.

It will operate on any of the 40 am frequencies authorized by the federal communications commission fcc. Channel 1 to 17 and 25 to 40 should be used for am and ssb transmission. Push to talk push this button and talk into speaker to communicate with other cb users 8. It is a shortrange radio service for both hobby and business use.

Midland 75785 40 ch am handheld cb transceiver 78785 represents stateoftheart hightech engineering. Your radio features a superheterodyne circuit with phase locked loop techniques to assure precise frequency control. May 18, 2019 cb 27 cb radio mobile 40 channel, cb radio channels, cb frequencies on a ham radio, cb radio range, cb radio frequencies pdf, cb radio license, cb radio channel 19 live, cb radio base station, cb. The body imposed huge fines on anyone caught transmitting on those frequencies. Last channel press this button to recall the last channel used 7. Name details 1 cb pa switch switches between cb radio and pa systems 2 volume power adjusts the volume. The cb band once consisted of 23 channels with a couple of channels left unused below channel 23. Thats why we found commercially manufactured linear amplifiers back in the 60s that would work on the 11meter band that for some time have been declared illegal to manufacture or sell. Cb has expanded greatly since its inception and currently includes 40 channels, most of which can be used by everybody. Many ssb survivalists tended to call on normal cb channel 37 usb 27375 khz and then slid up with unlocked clarifiers or sliders to 27378 usb or down to 27368 to get away from am interference. If you travel on the american highways, having a cheap cb radio in your car and a k40 five foot mag mount antenna on your roof is a smart move. The best antennas are from five to nine feet in length. Uhf cb australia 40 channel uhf cb radio information.

Citizens band radio also known as cb radio, used in many countries, is a land mobile radio system, a system allowing shortdistance persontoperson bidirectional voice communication between individuals, using two way radios operating on 40 channels near 27 mhz 11 m in the high frequency a. It is estimated there are thousands of uhf, or citizens. Midland 75 40channel cb radio black 75822 best buy. Updated in the last 7 days updated in the last 24 hrs. Shtf survivalist radio frequency list page 1 of 7 this document relies upon firsthand physical research, correspondence, and open public domain sources 199720. Survivalist ssb cb freeband channel frequency list. Press to start or stop scanning modes all channel scan see page 12 and memory scan see page 12. While channel 40 is the higway channel, on the pacific highway in new south wales channel 29 is used, and this extends across the border on the bruce highway into queensland, possibly as far as brisbane. Archived pdf from the original on 30 november 2010. Later, pll circuitry came about and lans were cut, and wires run to enable other frequencies hidden within the eprom. Australia wide road safety channel used primarily by truckies and oversized load pilot vehicles. Channel 9 is the emergency channel indicated by yellow and channel 19 is the commonly used highway channel indicated by violet. Ill show you in nontechnical detail how to get those extra frequencies.

Following is a list of uhf cb channels and their uses. Citizens band cb radio spectrum use information and. Midland 7watt 40channel portable handheld cb radio. When the band was expanded to 40 channels, the two skipped channels were included as channel 24 and 25 which is why they. Channel 19, frequencywise, is the bands deadcenter channel. It can be operated on both lowpower and highpower settings. Cb radio frequencies were established by the fcc for business and personal communication as an alternative to amateur radio channels. Channel 23 is shared with rc but the allowed power for rc is 25 watts on this one channel 4 watts on the others, like cb. At these frequencies, you there are different channels only 40 with different purposes, that are open or closed.

Citizen band frequency list cb radio, cb antennas, amateur. Jul 01, 20 frequencies above channel 40 and the 10meter band did have some allocation for business band use, but that ceased many years ago. Channels 40 to 42 are used for low power television. Feb 03, 2017 the australian communications and media authority acma has reversed its decision to make 40 channel uhf radios illegal from june 2017. Frequencies above 28,000 mhz in the cb radio frequency chart are considered illegal by fcc. Channels 24 and 25 are out of sequence frequency wise. The citizens band cb radio service is a private, twoway, shortdistance voice communications service for personal or business activities of the general public. Uniden bearcat 980 40 channel ssb cb radio with sideband noaa weatherband,7 color digital display pa cb switch and noise cancelling mic, wireless mic compatible cobra 25ltd professional cb radio emergency radio, travel essentials, instant channel 9, 4 watt output, full 40 channels, 9 foot cord, 4 pin connector. When the band was expanded to 40 channels, the two skipped channels were included as channel 24 and 25 which is why they are lower in frequency than channel 23. Talk back controls allowing drivers to adjust the desired amount of modulation talkback. With the help of our ssb chart we will guide you by providing length of radio wave, voice range, and full band range also we offer the frequency that red cross, fema, and military aviation. The 29 lx also includes all 40 channel scan and memory channel programming, instant channel 9 and 19, audible key tones, channel frequency readout for cb and weather channels, 4 watts am rf power output, the maximum amount of power allowed by law.

Lpd modulate in fm, have an output power of 10 mw and must be used only with the supplied antenna not detachable. Public am and fm channels and frequency list mobile systems. Scanner frequencies and radio frequency reference for citizens band cb login. If youre exploring the world of single side band ssb take a look at our simple list of ssb frequencies.

They were backfilled into the 30khz space between channels 22 and 23 when cb. I also hear truckers using the uk general frequencies, i think these have also replaced cb to a certain extent. It moves to the next channel if it receives no signal after 3 seconds. The truth about mobile phone and wireless radiation dr devra davis duration. The bottom edge of the overtheair channel 2 is 54 mhz and the upper edge is 60 mhz. Citizens band radio, more commonly known as cb radio, has been around since the 1940s. Citizen band radio originated in the united states.

Also, because of the long wavelength, cb antennas good ones anyway are large by nature. It is said that the bands were taken from amateur radio to form cbs first 22 channels from the 11 meters band. Scan cb channels, monitor weather and talk with others by using this dualuse midland mini portable cb radio. All the legal uk frequencies are listed below with their channel numbers. Citizens band radio service cbrs federal communications. General printable 11m channelfrequency chart foxtrot lima. View and download cobra 75 wx st operating instructions manual online. The australian communications and media authority acma has reversed its decision to make 40 channel uhf radios illegal from june 2017. Uniden bearcat 980 40 channel ssb cb radio with sideband noaa weatherband,7 color digital display pacb switch and noise cancelling mic, wireless mic compatible cobra 25ltd professional cb radio emergency radio, travel essentials, instant channel 9, 4 watt output, full 40 channels, 9 foot cord, 4 pin connector. Cb 27 cb radio mobile 40 channel, cb radio channels, cb frequencies on a ham radio, cb radio range, cb radio frequencies pdf, cb radio license, cb radio channel 19 live, cb radio base station, cb. Firestik antenna company 2614 e adams st phoenix, az 85034 tel 6022737151. The cb radio frequencies are distributed in a range of 27 mhz. Channels 24 and 25 are out of sequence frequencywise.

You may use any of the 40 cb channels on a taketurns basis. When all channel scan is on, the radio scans channels until it receives a signal. A limitation of the equipments use was due to take effect. Ssb radios at cb world cb world home huge selection of. Uniden pro510xl 40 channel compact mobile cb radio. Channel 39 is used for amateur television and amateur narrow band modes. The battery pack can be replaced by an optional dc power and antenna connector for mobile use, and the builtin anl improves reception in vehicles. Frequencies above channel 40 and the 10meter band did have some allocation for business band use, but that ceased many years ago. The only caveat is you have to use type approved radio equipment. The radio begins scanning upward through the channels. Blanket permission is granted universally to reprint, copy, and publish widely. This table is the frequency chart for the legal citizens band radio service. Jun 25, 2017 the truth about mobile phone and wireless radiation dr devra davis duration.