11 meter cb frequencies pdf

Survivalist channel prepper channel cb, freeband, and ham 10 meter band. 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. Sold as a 10 meter radio, they do require a bit of surgery to convert them into an 11 meter radio standard u. I agree with the other two posters on this thread when it comes to purchasing a hf radio and converting it to use on 11 meter.

Majority of the frequencies within this range are outside the allowed cb radio frequency range. Citizen band radio originated in the united states. However, since the 11 meter band was basically a wasteland, the fcc soon changed the novice hf segments to portions of the 80 meter, 40 meter, and 15 meter bands. In the united states, the cb band radio service, or citizens band cb, known as the class d citizens radio service before 1976, is one of several personal radio services defined by the fccs part 95 rules. It is one of very few ham radio 2 meter frequencies widely coordinated for fmsimplexonly throughout usa. The mfj1890 is a lightweight aluminum antenna designed to operate in the 10 meter band and we had hoped that with a little messing around we could get it to tune to the 11 meter cb band. Users must avoid interference with other services that may use the same frequencies, such as radio amateurs or others. Cb, as it is called, is a twoway voice communication service for use. There was a twentythird channel that was shared among radio controlled devices. It is said that the bands were taken from amateur radio to form cbs first 22 channels from the 11 meters band.

While it is possible to convert a ham radio to transmit on 11 meter cb frequencies its illegal for anyone to actually use it for that purpose. General printable 11m channelfrequency chart foxtrot lima. Citizens band radio frequency table citizens band radio frequency table this table is the frequency chart for the legal citizens band radio service. After putting the covers back on the radio, i printed out a channel chart and taped it to the top of the radio. These frequencies are used by individuals or institutions use free lanes because they have a license and permission to do so. The 11 meter band became cb channels 1 to 22, and the last business frequency was channel 23 and shared. Updated in the last 7 days updated in the last 24 hrs.

Similar service includes the general mobile radio service gmrs. Unofficial dx channel in germany this is the german cb channel 41 see. Channels 24 and 25 are out of sequence frequencywise. Freebanding is where an operator uses different channels within the 11 meters frequency. Ssb radios have upper and lower sideband channels just above and below the standard 40 cb channels which transmit only the cb audio wave as opposed to both the audio and carrier waves.

The socalled 10 meter radios that look like cbs must be converted to work on the 11 meter cb. The mfj1890 is a lightweight aluminum antenna designed to operate in the 10 meter band and we had hoped that with a little messing around we could get it to tune. Oct 12, 2018 citizen band radio originated in the united states. Ham radios are illegal to use on the 11 meter cb radio band because they are not type accepted for that purpose. Decision 1103 on the harmonised use of frequencies for citizen band cb radio equipment june. They are mostly used by private individuals or institutions that are licensed or authorized to do so. Cb 11 meter frequency listing these freeband frequencies run from 26. Some 11m callingqso frequencies and good operating. Citizens band radio used in many countries, is a land mobile radio system, a system allowing. Cb radio modifications category is a curation of 20 web resources on, firestik library, rogerbirds hr 2510 mods, defpom cb and ham radio mods.

In the early days, when radios used a transmit and receive rock, or crystal to operate someone. For your convenience we have added also pdf versions of the charts available for download. Rc indicated frequencies used for radio control and industrial purposes. Closer spacing for cb frequencies is from about 4 to 5.

Channels 24 and 25 are out of sequence frequency wise. However, since the 11meter band was basically a wasteland, the fcc soon changed the novice hf segments to portions of the 80meter, 40meter, and 15meter bands. Citizens band radio equipment information and operation. Citizens band cb radio spectrum use information and. Whilst this radio is marketed as a dual band amateur radio, the vast majority will end up on the 11 meter band. Also, because of the long wavelength, cb antennas good ones anyway are large by nature. Most cb radios transmit at a standard 4 watts of power with one exception. Cb radios and ham radios can be modified to get freeband channels. The harmonised use of frequencies for citizens band cb radio. Most serious rc is done on other bands due to the significant potential for interference on the cb band. It is popular among survivalists because it is the only coordinated 2 meter. Survivalist ssb cb freeband channel frequency list. This table is the frequency chart for the legal citizens band radio service.

Background the cb service provides a service for shortdistance. Aug 25, 2007 the socalled 10 meter radios that look like cb s must be converted to work on the 11 meter cb. 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. Section 3 sets out a summary of the consultation responses we have received. The federal communications commission fcc, which still regulates cb, took bands from the amateur radio a. The citizens band radio service is a private, twoway, shortdistance voice communications service for personal or business activities of the general public. However, this unit as shipped does not actually work as a cb radio. Cb, as it is called, is a twoway voice communication service for use in your personal and business activities. A true cb is certified by the fcc as to meeting their standards. For more frequencies see the uk scanning directory. The history of amateur radio outline of amateur radio. The puget sound 11 meter sideband net is a open net to all 11 meter sideband radio operators. It is the use of different channels by the operator at the 11meter frequency. Shtf survivalist radio frequency lists radiomaster reports.

Its only in north america that cb is limited to 40 channels. Just keep in mind that, even for cb radios, the fcc requires users to follow certain codes of conduct and equipment restrictions. Jul 01, 20 freeband refers to unlicensed transmitting on the frequencies above, below, and in between normal hf radio bands. Citizens band cb radio spectrum use information and operation.

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. You have to dig not very deep, but you have to dig for a handson manual to change the circuit board to make the radio receive cb frequencies. Resources listed under citizens band radio category belongs to cb radio main collection. The idea behind the exports is to offer what some truck drivers want. Unofficial dx channel in germany this is the german cb channel 42 see. Dec 07, 2019 it is the use of different channels by the operator at the 11 meter frequency.

Cb, as it is called, is a twoway voice communication service for use in your personal and business. It is designed to be used without the need for technical. From the beginning of cb time operators have found ways to extend the capabilities of their radios giving them private frequencies to talk on. Lpd modulate in fm, have an output power of 10 mw and must be used only with the supplied antenna not detachable. A cb to 10 meter am radio conversion was accomplished with minimal expense. Its legal for anyone to own a ham radio modified or otherwise. The frequency allocation list shown is supplied by the fcc federal communications commission from part 95 subpart d rules for citizens band cb radio service. It is widely available to technician basic ham license or higher ham operators in usa.

Ham services channel 11 to form a band 460470 megacycles uhf for personal and business communication, as well as for controlling model aircraft. Citizens band cb radio authorising amplitude modulation. What theyre referring to are the freeband frequencies, or those channels below and above the legal 40. Citizen band frequency list cb radio, cb antennas, amateur. Rotary switch and updown channel selector vfo mode. Citizens band radio service cbrs federal communications. The best antennas are from five to nine feet in length. Some hobbyists continue to use the designation 11 meters to refer to the citizens. The new dx99v2 is the only galaxy all mode mobile radio. Citizens band cb scanner frequencies and radio frequency. They were backfilled into the 30khz space between channels 22 and 23 when cb expanded from 23 to 40 channels in 1977.

It is intended to be a twoway voice communication service for use in personal and business activities of the general public, and has a reliable communications range of several. You know you got a good coating of enamel on it if you can take your ohm meter and not get a circuit infinite resistance when you touch the wire with the probes. I guess it is all in the 10 meter and 11 meter verbiage. The year was 1945 and the service was regulated by the federal communications commission. The citizens band cb radio service is a private, twoway, shortdistance voice communications service for personal or business activities of the general public. Unlike the 10 meter band, access to these frequencies are unrestricted by the fcc, hence the name citizen s band. Figure 5 the radiation pattern of the antenna on the left is a 4 element quad feed directly with coax. When the fcc first proposed the class d service, the arrl protested greatly and even tried to have a series. Freeband radio cb 11 meter frequency listing these freeband frequencies run from 26.

While nets, whether hf or above, typically operate on known frequencies they. However, most of the frequencies in this range are outside the allowable range of radio frequencies. The radiation pattern of the antenna on the right shows a quad using a device balun, gamma match etc. The service is am but also allows for ssb operation on radios that are capable. It is a shortrange radio service for both hobby and business use.

The radiation pattern of the antenna on the left is a 4. Freeband refers to unlicensed transmitting on the frequencies above, below, and in between normal hf radio bands. Freebanding is communicating on the freeband frequencies. For some reason, i was thinking my radio had the 11. The nets goal is to promote enjoyment of the 11 meter radio fellowship and hobby, every saturday night at 7 pm on channel 40 lsb. A frequency counter verified my channel numbers and frequencies. There actually was very little amateur radio usage of the 11meter band. They come as a 10 meter radio, so there is a bit of tweaking to get them on the 11 meter band or 25. Cb radio range approximations right channel radios. Section wide coverage during an emergency is normally maintained using frequencies on 75 or 40 meter sideband. There actually was very little amateur radio usage of the 11 meter band. The history of amateur radio outline of amateur radio history. Citizens band is distinct from other personal radio. Hf sitor frequencies family 2 way radio frequencies rail road f requencies nascar frequencies global network frequencies hf dea frequencies hurricane frequencies mystic star frequencies.

Citizens band cb radio authorising amplitude modulation am modes of operation. 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. This amfmssb transceiver ae 5800 is a universal cb radio for 12vdc power supply. It is the use of different channels by the operator at the 11 meter frequency. Citizens band radio frequency table this table is the frequency chart for the legal citizens band radio service. Hf sitor frequencies family 2 way radio frequencies rail road f requencies nascar frequencies. Cb radios operate on the 11 meter band around 27 mhz with 40 channels.