Encyclopedia: Federal Communications Commission(Site not responding. Last check: 2007-11-05)
The FCC is directed by five Commissioners appointed by the President and confirmed by the Senate for 5-year terms, except when filling an unexpired term.
In 1962, the FCC imposed new restrictions on the emerging FM band.
In telephony, the FCC prohibited NANP area codes from being assigned only to cellphones, despite the fact that they were the primary cause of the need for new telephone numbers.
CB Radio UK(Site not responding. Last check: 2007-11-05)
40 channels on the 27MHz band and 20 channels on the 934MHz band both using FM (frequency modulation).
Later on in the early 1990s the government allocated an additional 40 channels in line with the American channel allocation method, although transmission was still only allowable using FM modulation.
The result was an explosion in the number of users, and a huge growth in the CB culture that accompanied it.
ipedia.com: Citizens' band radio Article(Site not responding. Last check: 2007-11-05)
27MHzFCCBandplan Formed following a decision i...
The FCC recommended the use of ten-codes and these were used, often in a shortened form, but also many slang terms were developed.
CB is still a popular hobby in many countries though its meaning as a method of communication has diminished recently, due to new developments such as the internet and mobile phones.
The U.S. FCCbandplan used in Citizens' band radio assigns 40 numbered RF channels between 26.965 MHz (Channel 01) and 27.405 MHz (Channel 40), with channels generally spaced on a 10 kHz frequency raster[?].
There are odd 20 kHz channel spacings between channels 3 and 4, 7 and 8, 11 and 12,15 and 16 and 19 and 20.
The frequency allocation list is supplied by the FCC (Federal Communications Commisiion) from Part 95 - Subpart D - Rules for CB Service Citizens Band (CB) Radio Service
Both GMRS and Amateur Radio do require licenses and Amateur (Ham) Radio also requires the passing of exams before a license and call sign is issued by the FCC.
The 27MHzFCCBandplan shows the channels available and their associated frequencies.
Although CB was created in the USA it is also used in many different countries around the world.
The U.S. FCCbandplan used in Citizens' band radio assigns 40 numbered radio frequency channels between 26.965 MHz (channel 1) and 27.405 MHz (channel 40), with channels generally spaced 10 kHz apart.
The frequency allocation list is supplied by the FCC (Federal Communications Commission) from Part 95 - Subpart D - Rules for CB Service Citizens Band (CB) Radio Service.
27MHz FCC Bandplan : 27Mhz FCC Bandplan(Site not responding. Last check: 2007-11-05)
terms defined : 27MHzFCCBandplan : 27MhzFCCBandplan
The U. The U.S. bandplan used in Citizens' band radio assigns 40 numbered RF channels between 26.965 MHz (Channel 01) and 27.405 MHz (Channel 40), with channels generally spaced on a 10 kHz frequency raster[?].
Include its FCC Part 15 registration number (the only real indication that it is legal to operate without a license).
The gov is responsible for our frequency allocations and their focus is to maintain order in the spectrum and minimize interference (they have done a poor job on the latter).
The main point is that unless a valid FCC Part 15 registration number is found on the transmitter, it is NOT legal for consumer use in the USA.
FM, to 29.69 10kHz simplex or Repeaters (split: -0.1) 10 or 20kHz Various parts of these channels used for repeaters in different regions with the remaining channels used for simplex.
27MHz and 6.6MHz SSB should eventually ease off, and to make matters bearable for FM users of 27MHz I would say CTCSS is needed.
The USA FCC adopted this as NexCom (not yet in use).
Scanners to be used in that country will typically have this bandplan programmed into memory so that when a frequency is picked, the radio will automatically set the proper receive mode and step size.
Some of the more costly models allow the user to override the default bandplan receive mode and/or step size.
Was originally the Class A Citizen's Band service using AM mode in the 27MHz band.
RadioWiki: Citizens Band(Site not responding. Last check: 2007-11-05)
License documents are neither needed nor issued and there are no age or citizenship requirements.
As long as you use only an unmodified FCC certificated CB unit, you are provided authority to operate a CB unit in places where the FCC regulates radio communications.
Citizens' band radio (CB) is a system of short distance communication between individuals on a selection of 40 channels within the single 27 MHz (11 meter) band.
These Ritron radios filled a niche market for those businesses that wanted radio, but couldn't afford it.
Ritron decided that to make things easy, they would sell mainly on channels that had been set aside by the FCC as low power channels.
They picked a few of the most popular frequencies, and "color coded" them so that the end user just had to remember a "color dot".
geocities.com /rf-man/handheld.html (4033 words)
800mW Spylinker System : RC Universe! The Ultimate RC forum(Site not responding. Last check: 2007-11-05)
[/quote]From what I have seen, those systems would require an FCC Part 90 (commercial) or Part 97 (ham) license.
[quote]Basically any transmission product/appliance not sold in the US/Canada would have this problem ?[/quote]Any consumer (license free) RF product would need to have a valid FCC registration number.
If you are also interested in the rules that govern telecom products that connect to the public switch network then take a peek at the Part 68 regs.
