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United States Spectrum Allocation Chart

Radio Inquiry Unit – Featured Source 1E

2016 chart represents a graphic single-point-in-time portrayal of the Table of Frequency Allocations used by the United States, Federal Communications Commission (FCC) and the National Telecommunications and Information Administration (NTIA).

This chart portrays the frequency allocations in the electromagnetic spectrum for different purposes as specified by United States government. The Radio Frequency Spectrum Allocation Chart is the first and broadest level technical document to consult when planning uses for spectrum allocations in that nation’s borders.

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Frequency Charts

Information about the US Amateur Bands is available on the Frequency Allocations page as well as the frequency bands chart.

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Printing the band charts

Download and print PDF documents using Adobe Reader .

  • Frequency Bands Chart [PDF] (8.5 X 11; grayscale )
  • Frequency Bands Chart [PDF] (8.5 X 11; black/white )
  • Frequency Bands Chart [PDF] (8.5 X 11; color )
  • Frequency Bands Chart [PDF] ( 11X17; color )
  • Frequency Bands Chart [PDF] VERTICAL ( 8.5 X 11; color )

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7.3: Frequency Allocations

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  • Don H. Johnson
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  • An explanation and picture of the frequency allocation chart.

To prevent radio stations from transmitting signals “on top of each other,” the United States and other national governments in the 1930s began regulating the carrier frequencies and power outputs stations could use. With increased use of the radio spectrum for both public and private use, this regulation has become increasingly important. This is the so-called Frequency Allocation Chart , which shows what kinds of broadcasting can occur in which frequency bands. Detailed radio carrier frequency assignments are much too detailed to present here.

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Database of Frequency Allocations

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ITU-R: Managing the radio-frequency spectrum for the world

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With the steady expansion of wireless services worldwide, all services relying on radio waves are competing for a share of the radio-frequency spectrum to support new applications, growing user numbers, and exploding traffic. The importance and relevance of ITU-R's work is hence increasing every day. 

5G BCKGROUNDER

ITU-R activities include four main areas:

​ 1. Establishment and updating of international regulations on the use of radio-frequency spectrum and satellite orbits

Radio Regulations (RR)

The foundation of international frequency management is the Radio Regulations (RR), the binding international treaty that determines how the radio frequency spectrum is shared between different services, including space services. Covering terrestrial fixed and mobile radio services, satellite-based services, sound and video broadcasting, radionavigation, meteorological tracking and forecasting, space research and Earth exploration, as well as amateur radio, the RR encompasses over 2300 pages of texts and charts that specify how equipment and systems must operate to ensure successful coexistence of services in today's increasingly crowded airwaves.

World Radiocommunication Conferences (WRCs)  

ITU-R reviews and updates the RR through World Radiocommunication Conferences (WRCs), which meet every four years for a period of four weeks. WRC-19 was held in Sharm el-Sheikh, Egypt, and welcomed over 3'400 delegates, representing 163 out of ITU's 193 Members States, along with representatives from among ITU's 6 00+ private sector members and 150 international and regional organization members.

WRCs review the way specific portions of the radio spectrum are allocated, along with procedures for coordinating, notifying and recording of frequency assignments and Plan modifications. WRCs bring together governments to negotiate and agree on the relevant modifications to the RR, typically to allow for the introduction of new radio services and systems.

Preparations for WRCs involve extensive studies and preparatory discussions among all stakeholders (government regulators, and public and private sector users of spectrum, as well as their equipment suppliers) at the national, regional, and worldwide levels. Many of these stakeholders also serve as members of national delegations at the conference itself. This multi-stakeholder approach ensures consensus so the RRs provide a stable, predictable, and universally applied regulatory environment that secures the trillions of dollars of long-term investments of radio systems.

The agenda of a WRC includes the review and update of the global technical, operational, and regulatory provisions that govern the use of the radio-frequency spectrum for terrestrial and satellite applications. In conducting its activities, the conference attempts to cast a proper balance:

  • between the need for worldwide harmonization (to benefit from economies of scale, connectivity, and interoperability) and the need for flexibility in spectrum allocations,
  • between the need to accommodate new and innovative systems, applications, and technologies as they arise and the need to protect existing radiocommunication services, including from non-radio equipment and appliances.

Radio Regulations Board (RRB)

The international regulations on spectrum, as adopted by WRCs through a revision of the RR, are complemented by Rules of Procedure (RoPs), which clarify the way in which the provisions of the RR are to be applied. These RoPs are adopted by the Radio Regulations Board (RRB), which consists of 12 elected members selected for their qualification, experience, and regional representation. 

2. Implementation and application of international regulations on the use of the radio-frequency spectrum and satellite orbits

The RR contain several regulatory provisions and procedures which describe how the administrations from the 193 ITU Member States may acquire and exercise rights to use spectrum in the various frequency bands allocated for this purpose, and the corresponding obligations. These rights and obligations may then be transferred to the operators of each specific radiocommunication station through a license delivered by or on behalf of the government of the corresponding country.

Administrations apply these provisions and procedures daily, in close interaction with BR.

International Frequency database

A key element of international frequency management is the Master International Frequency Register (MIFR). The MIFR is a database which contains the spectrum characteristics (“frequency assignments") of the radio stations in operation throughout the world and confers to these stations international recognition and protection against interference. This database is managed by BR and currently contains 2.6 million frequency assignments for terrestrial services and over 200 000 are added every year. For space services, more than 1.1 million of assigned frequencies are contained in this database. In addition, about 350 000 assigned frequencies for the broadcasting-satellite service and 25 000 allotted frequencies for the fixed-satellite service are planned for future uses.

The procedures specified by the RR to record new frequency assignments in the MIFR are designed to ensure that every new spectrum usage in a particular geographical location is compatible with the ones previously received. In many cases, coordination between the administrations and operators involved is necessary to ensure this compatibility.

Application of these procedures ensures an interference-controlled environment for both terrestrial and satellite systems and guarantees equitable access to use of the resources of the frequency spectrum and geostationary-satellite orbit.

BR regularly reviews the content of the MIFR to ensure that it is consistent with actual use. It publishes the list of maritime and coast radio stations, which is a key element in ensuring safety of life at sea. It also provides assistance to administrations in applying these procedures and in resolving cases of harmful interference, which currently concerns 1 in 5 000 assignments.

When situations arise of disagreement between administrations or between administrations and the Radiocommunication Bureau, the RRB may consider the issue, although decisions by the RRB may be appealed to the next WRC.  

3. Establishment and updating of worldwide recommendations, reports, and handbooks for the most efficient use of the radio-frequency spectrum and satellite orbits, including best practices on national spectrum management activities

Worldwide technical standards

ITU-R also plays a central role in developing global standards for radio-based telecommunications systems, including terrestrial and space systems, as well as best practices on national spectrum management activities. The worldwide technical standards (ITU-R Recommendations) are developed within the six Study Groups of ITU-R, which gather experts drawn from government, industry, academia, and regional and international organizations, who collaborate in establishing the characteristics of the systems and services that will define tomorrow's wireless landscape.

ITU-R follows closely the increasing levels of radio-frequency noise in the environment and the consequential increase in instances of electromagnetic interference on several radiocommunication services. ITU‑R alerts regularly and collaborates with the concerned standardization organizations towards the monitoring and possible reduction of the above-mentioned phenomena. Another important role of ITU-R Study Groups is to conduct the technical, economic, regulatory, and operational studies in preparation and in support of WRC decisions.

In 2020, ITU-R finalized the detailed specifications for the radio interface of “IMT for 2020 and beyond", paving the way for 5G mobile broadband connected society. These specifications support their operation in any of the frequency bands that has been identified for IMT by various WRCs.

ITU-R Study Groups

The ITU-R Study Groups undertake studies and develop the technical bases for decisions to be taken at World Radiocommunication Conferences (WRCs), as well as develop international standards (ITU-R Recommendations) on radiocommunication matters.  Generally, ITU-R recommendations are of a voluntary nature. However, a WRC may decide to incorporate by reference into the Radio Regulations, in part or wholly, specific ITU-R Recommendations, making their application mandatory.  

ITU R Study Groups are established and assigned Study Questions by a Radiocommunication Assembly to prepare draft Recommendations, Reports and Handbooks etc. for approval by ITU Member States. Each Study Group can establish Working Parties (WPs) and Task Groups (TGs), to address the various subjects within their mandate. At present, there are six Study Groups (SGs):

  • SG 1      Sp​ectrum management
  • SG 3      Radiowave propagation  
  • SG 4      Satellite services  
  • SG 5      Terrestrial services  
  • SG 6      Broadcasting service
  • SG 7      Science services  

More than 5 000 specialists, from administrations, specialized agencies, the whole telecommunication industry, and academic organizations participate in the work of the Study Groups on topics such as efficient management and use of the spectrum/orbit resource, radio systems characteristics and performance, spectrum monitoring and emergency radiocommunications for public protection and disaster relief, etc.

ITU-R Recommendations are good for business, for governmental operations and for the scientific community – driving economies of scale and economic development, supporting essential safety of life services, particularly safety at sea; enabling electronic news gathering and distribution; tracking aircraft and providing for air traffic control; enabling weather forecasting; providing for space travel and exploration etc. They are also essential to the proper and spectrally efficient functioning of all radio equipment in an environment where virtually everyone is now using spectrum resources.

4. Information and assistance to ITU-R membership in radiocommunication matters

To inform and help its membership adapt to the results of its activities in adopting international regulations, global standards and best practices on spectrum use, ITU-R also regularly holds  seminars, workshops, and symposia .

These address a range of issues, currently ranging from broadband and mobile applications, transition to digital television and allocation of the digital dividend, efficient use of the spectrum/orbit resources, and emerging spectrum management techniques.

This activity is also part of ITU's efforts to promote at all levels the creation of an enabling environment for the development of a sustainable and efficient use of spectrum at the most affordable price in all regions of the world.​

Looking ahead to WRC‑23

The WRC‑19 established the draft agenda for WRC‑23 and preliminary agenda for the WRC-27. This sets the stage for the development of future technologies and guides the work of ITU–R during the next four-year study cycle:

The draft agenda for WRC ‑ 23

  • Aeronautical and maritime mobile services:  consider protection of stations located in international airspace and waters from other stations located within national territories. 
  • International Mobile Telecommunications (IMT):  consider additional allocations to the mobile service and identification of frequency bands for IMT. 
  • Mobile service within Region 1:  consider additional primary allocation of the band 3600–3800 MHz.
  •   High altitude platform stations as IMT base stations (HIBS):  consider the use HIBS in the mobile service in certain frequency bands already identified for IMT.  
  • Review the spectrum use and spectrum needs of existing services in the frequency band 470–960 MHz in Region 1:  consider possible regulatory actions in the frequency band 470–694 MHz in Region 1. 
  • Sub-orbital vehicles:  consider regulatory provisions to facilitate radiocommunications for sub-orbital vehicles. 
  • Aeronautical mobile-satellite (R) service (AMS(R)S):  consider a new allocation for both the Earth-to-space and space-to-Earth directions of aeronautical VHF communications. 
  • Unmanned aircraft systems:  accommodate the use of fixed-satellite service (FSS) networks by control and non-payload communications of unmanned aircraft systems. 
  • Digital technologies for commercial aviation safety-of-life applications:  consider appropriate regulatory actions and updates to accommodate these technologies in existing HF bands allocated to the aeronautical mobile (route) service. 
  • Aeronautical mobile service for the use of non-safety aeronautical mobile applications:  consider possible new allocations for these services. 
  • Global Maritime Distress and Safety System:  consider regulatory actions for the modernization of these systems and the implementation of e-navigation. 
  • Earth exploration-satellite (active) service for spaceborne radar sounders:  consider a possible new secondary allocation. 
  • Space research service:  consider a possible upgrade of the allocation of the frequency band 14.8-15.35 GHz to these services. 
  • Earth Exploration-Satellite Service   EESS (passive):  consider possible adjustments to ensure alignment with more up-to-date remote-sensing observation requirements. 
  • Earth stations on aircraft and vessels communicating with geostationary space stations in the fixed satellite service:  consider global harmonization. 
  • Non-Geostationary Satellite Fixed-Satellite Service (NGSO FSS) earth stations in motion:  develop technical, operational, and regulatory measures, to facilitate the use of space-to-Earth and Earth-to-space frequency bands. 
  • Intersatellite links:  consider adding an inter-satellite service allocation, where appropriate.
  •   Mobile-satellite service:  consider spectrum needs and potential new allocations for future development of narrowband mobile-satellite systems.
  •   Fixed-satellite service in the space-to-Earth direction:  consider a new primary allocation for these services in Region 2.

Suggested further reading:   WRC-23  and  WRC-27  preliminary agenda

These address a range of issues, currently ranging from broadband and mobile applications, transition to digital television and allocation of the digital dividend, WRC preparations, efficient use of the spectrum/orbit resources, emerging spectrum management techniques, like Dynamic Spectrum Access and cognitive radio.

This activity is also part of ITU's efforts to promote at all levels the creation of an enabling environment for the development of a sustainable and efficient use of spectrum at the most affordable price in all regions of the world.

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Common Aviation Frequencies: A Pilot’s Communication Guide

frequency allocation list

We updated this article to refresh to 2023 standards. Communication is one of those core fundamentals of becoming a pilot. It may seem daunting at first, but just like riding a bike, once you get it, you get it. This article is for reference purposes. As a pilot, you should always check that you have the latest information before flight.

Table of Contents

Types of Aviation Radio Signals

Low frequency (lf), medium frequency (mf), high frequency (hf), very high frequency (vhf).

  • Communication vs Navigation.
  • Most Common Aviation Frequencies and Allocations.
  • Helpful Hints.
  • CTAF Frequencies.
  • Ground Frequencies.

"Finger" and "Fingers"

It is no secret that new pilots are often more than a little nervous and hesitant about getting on the radio. They worry about not remembering what to say and how to say it when they finally key up the mic, but even if you get those variables right, it still does you no good if you are not on the correct frequency. That is why an important hurdle of using your radio is understanding and learning common aviation frequencies.

Common Aviation Frequencies: A Pilot’s Communication Guide

You have your aircraft’s main radio and a handheld radio as a backup. You have reviewed your ATC communication skills and studied your copy of ASA Say Again, Please: Guide to Radio Communications . You are all ready to turn that radio on and get cleared for takeoff. There is just one problem – what frequency are you supposed to be on?

While no one expects pilots to memorize all the aviation frequencies, it is certainly helpful to know the most common ones and how the frequencies are laid out within the bands. A high-level understanding of the types of aviation radio signals your aircraft can receive will also go a long way towards developing your knowledge on the topic.

Common Aviation Frequencies: A Pilot’s Communication Guide

Aviation radio frequencies are found in the low frequency (LF), medium frequency (MF), high frequency (HF), and very high frequency (VHF) bands. These frequencies may be used for voice communications or for navigation.

Historically, when aviation radio was first starting out, most air navigation transmissions took place on the low frequency band from 200 KHz to 415 KHz. As reliable higher frequency systems were developed, most of the low frequency air nav beacons were shut down. Today, some low frequency beacons remain and are used for instrument landings. Others were kept operational as backups in case of primary navigation system failures. Low frequency is useful even when other forms of communication fail because its long wavelengths are less affected by terrain and it can bounce off the ionosphere to travel long distances around the world.

Aviation radio is allocated a small portion of the medium frequency spectrum in a band from 2850 to 3000 KHz. Most planes have radio direction finders onboard that get a bearing by focusing in on a medium frequency transmission.

In the past, high frequency bands were typically used for domestic voice communications. That traffic has since shifted to the very high frequency (VHF) band. High frequency continues to be used for voice communications for international flights, however, as it can travel a longer distance than VHF.

Frequencies in the very high frequency band are most widely used for domestic aircraft communications at the present time. Both communication and VOR navigational systems are operated on VHF frequencies.

To support full VHF communications, the FAA recommends that all aircraft with older 360-channel systems should be retrofitted with a 760-channel piece of equipment with 25 kHz channel spacing which is capable of operating in the 118.000 to 136.975 MHz band.

Communication vs Navigation

Signals that are transmitted and received via aviation radio can be of more than one type. In addition to communication (COM) signals, aviation radios are also used for navigation (NAV). Some radios are only capable of COM, while others are dedicated for NAV, and a third variety is configured to be used for both COM and NAV. Some VHF Omnirange (VOR) navigation stations and aircraft navigation beacons transmit voice communications in addition to their navigation functions.

Most Common Aviation Frequencies and Allocations

The Federal Communications Commission (FCC) is an agency that regulates communications including radio in the United States. One of its roles is to allocate all radio bandwidths and frequencies. In the United States, VHF civil aircraft communications are placed in the 100 MHz band and allocated 760 channels within the range from 118.0-136.975 MHz. As a pilot, every frequency you talk on will fall within this range. VOR navigational frequencies are allocated to the range from 108.0 to 117.975 MHz, positioning them just below the communications range.

VHF communications channels usually have 25 KHz of spacing between them, except for flight test stations which are spaced by just 8.33 kHz and the emergency frequency of 121.5 MHz which has 100 kHz of protection around it. The full allocation list covering all 760 channels in the VHF aviation band is posted in FAA advisory circular 90-50D .

While the full allocation listing is interesting to review, from an everyday use perspective it is most helpful to start out with learning the frequency ranges for each type of VHF signal as well as the specific frequencies that you are most likely to use on a regular basis.

The VHF frequency ranges used for aviation are:

Common Aviation Frequencies: A Pilot’s Communication Guide

Within the VHF aviation communication frequency range, the most commonly used frequencies and their corresponding allocations include:

Helpful Hints

Once you have learned the key frequencies, there are a few other helpful hints that can keep you out of trouble and make you sound like a seasoned professional on the air.

CTAF Frequencies

The Common Traffic Advisory Frequency (CTAF) or Unicom frequencies are typically used at nontowered airports. The most common are 122.7, 122.8, 122.9, 123.0. 123.050 MHz with 122.950 being the usual CTAF frequency of choice for airports with a tower.

Pilot-controlled lighting systems (PCL) are used at some smaller, non-towered airports. If you are making a night approach to landing at an airport with a PCL, in most cases, you will activate the system through your radio which is set to the appropriate CTAF frequency. Turn on the lights by keying your mic a specified number of times for the desired lighting intensity.

Ground Frequencies

The most common ground frequencies are 121.3, 121.7, 121.9. All ground frequencies start with 121 and have an odd tenth at the end. Familiarize yourself with the ground frequencies because the tower controller may simply tell you something like “contact ground on point 9" and expect you to know that the full frequency they are referring to is 121.9.

Select frequencies have been set aside as flight test stations. These frequencies are available to aircraft manufacturers as they conduct test flights. Test flight frequencies are sprinkled throughout the VHF aviation band between 123.125 MHz and 123.575 MHz.

Within this range are 123.4 MHz and 123.45 MHz, colloquially referred to as “Finger” and “Fingers” respectively. In some circles, these frequencies have been used for casual air-to-air communications. This may not be a problem when flying over international waters where those frequencies are not officially designated for another purpose.

Once you start using them over the United States or its coastal waters, however, you could have a very big problem – potentially a $10,000 problem, to be precise. Since the FCC designated both of these frequencies to be used solely for test flight communications, any other use constitutes an illegal transmission, and pilots transmitting illegally could be fined up to $10,000 for each transmission or taken to small claims court for damages caused by interfering with the data transmission during a test flight.

Depending on your location, the likelihood of being prosecuted may not be very high, but it is important to know that the safe and correct course of action if you want to talk to another pilot is to use 122.75 MHz which is the designated air-to-air frequency for fixed wing aircraft. This will keep you out of trouble and show that you are well-versed in the correct aviation frequencies usage.

A great way to learn how to talk on the radio is with ASA Say Again Please . Pick up your copy today.

Want to learn more about communications and equipment?

Our guides are designed to help student pilots become professional pilots and for private pilots to brush up on their knowledge and skills.

Why do you Need a Portable Aviation Radio?

How to Improve ATC Communication (Guide)

Lost Comms on IFR Flight (What to do & Procedures to Follow)

Best Aviation Handheld Radios on The Market

Class A Airspace and How it Differs from All Other Categories of Airspace

IFR Clearance: How To Request & File (Examples / Requirements)

Did you find this article helpful?

Do you think we missed anything important? Let us know in the comments below!

Black hawk

Can someone explain why I’m hearing aircraft on 49.875mhz???!!

Bill

Why would they “crack down” if it’s not a problem? The FCC is complaint-driven, and they generally won’t do anything unless there’s an actual problem to be solved.

Andrea

Thank you for this helpful article. It’s interesting that in South Florida, 123.45 is used as a common traffic frequency for air-to-air communication within concentrated civilian and military training areas, such as the area south of Lake Okeechobee and west of Palm Beach for example. I wonder if the FAA or FCC will actually crack down on this practice, or if the constant use of these frequencies is simply “up to the locals”, after a certain point?

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We all know the drill. Once the doors close on a commercial airline flight, all passengers are asked to place their portable electronic devices into airplane mode. The flight attendants then come through and extend a personal invitation to any stragglers who are still trying to sneak in that last second call or message.

Why the Bose A20 is the #1 Selling Aviation Headset

Why the Bose A20 is the #1 Selling Aviation Headset

The Bose A20 Aviation Headset has earned a widespread fan base among pilots for its amazing sound quality and durable design. Despite newer options being available on the market, like the   Bose A30 , the A20 headset retains its popularity within the aviation community.

In this review, we'll explore the factors that contribute to its enduring appeal and why it continues to be a top choice for pilots of all skill levels.

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IMAGES

  1. INFOGRAPHIC: 5.9GHz and U.S. Frequency Allocations

    frequency allocation list

  2. United States Spectrum Allocation Chart

    frequency allocation list

  3. The United States Frequency Allocation Chart

    frequency allocation list

  4. 1: FCC Spectrum allocation chart [1].

    frequency allocation list

  5. The United States Frequency Allocation Chart

    frequency allocation list

  6. The United States Frequency Allocation Chart

    frequency allocation list

VIDEO

  1. Frequency Distribution Table #frequencydistribution #tutorial

  2. Frequency distribution table

  3. Frequency allocation for satellite services

  4. Upsc ips cadre allocation list…

  5. Frequency distribution table using excel

  6. Example 2.1 (Building a Frequency Distribution)

COMMENTS

  1. PDF Fcc Online Table of Frequency Allocations

    Table of Frequency Allocations 137.8-1800 kHz (LF/MF) Page 3 International Table United States Table FCC Rule Part(s) Region 1 Table Region 2 Table Region 3 Table Federal Table Non-Federal Table 137.8-148.5 FIXED MARITIME MOBILE 5.64 5.67 137.8-160 ...

  2. Table of Frequency Allocations Chart

    The FCC's Table of Frequency Allocations consists of the International Table of Frequency Allocations ("International Table") and the United States Table of Frequency Allocations ("United States Table"). The FCC's Table of Frequency Allocations is codified at Section 2.106 of the Commission's Rules.

  3. United States Frequency Allocation Chart

    The United States Frequency Allocation Chart is provided here as a Portable Document Format (*.pdf) file: U.S. Frequency Allocation Chart as of January 2016 A printed version of the most recent version of the United States Frequency Allocations: The Radio Spectrum Chart (published in January 2016 from...

  4. Frequency allocation

    Examples Some of the bands listed (e.g., amateur 1.8-29.7 MHz) have gaps / are not continuous allocations. BCB is an abbreviation for broadcast band, for commercial radio news and music broadcasts. See also Spectrum management Amateur radio frequency allocations References ^ Haim, Mazar (2008-08-01).

  5. Radio Spectrum Allocation

    The FCC's Table of Frequency Allocations consists of the International Table of Frequency Allocations ("International Table") and the United States Table of Frequency Allocations ("United States Table"). The FCC's Table of Frequency Allocations is codified at Section 2.106 of the Commission's Rules.

  6. Frequency Allocations

    General class: 3.525-3.600 MHz: CW, RTTY/Data 3.800-4.000 MHz: CW, Phone, Image Advanced class: 3.525-3.600 MHz: CW, RTTY/Data 3.700-4.000 MHz: CW, Phone, Image Amateur Extra class: 3.500-3.600 MHz: CW, RTTY/Data 3.600-4.000 MHz: CW, Phone, Image 60 Meters: Five Specific Channels

  7. PDF Table of Frequency Allocations

    Table of Frequency Allocations . Table of Frequency Allocations 0-137.8 kHz (VLF/LF) Page 1 International Table United States Table FCC Rule Part(s) Region 1 Table Region 2 Table Region 3 Table Federal Table Non-Federal Table Below 8.3 (Not Allocated) 5.53 5.54 Below 8.3 (Not Allocated) 5.53 5.54 8.3-9 METEOROLOGICAL AIDS 5.54A 5.54B 5.54C ...

  8. Federal Communications Commission Office of Engineering and Technology

    1 During the year, the Commission amends the Allocation Table shortly after a final rule has been released and places the updated version online (FCC Online Table of Frequency Allocations ). Listed below are all amendments to the Allocation Table since the Commission began maintaining the FCC Online Table of Frequency Allocations in early 2000. 2.

  9. Federal Register :: Table of Frequency Allocations

    Rule Table of Frequency Allocations A Rule by the Federal Communications Commission on 10/01/2020 Document Details Printed version: PDF Publication Date: 10/01/2020 Agency: Federal Communications Commission Dates: This technical amendment is effective October 1, 2020. Effective Date: 10/01/2020 Document Type: Rule Document Citation: 85 FR 61825

  10. United States Spectrum Allocation Chart

    2016 chart represents a graphic single-point-in-time portrayal of the Table of Frequency Allocations used by the United States, Federal Communications Commission (FCC) and the National Telecommunications and Information Administration (NTIA). This chart portrays the frequency allocations in the electromagnetic

  11. PDF 6712-01 FEDERAL COMMUNICATIONS COMMISSION Table of Frequency

    PART 2—FREQUENCY ALLOCATIONS AND RADIO TREATY MATTERS; GENERAL RULES AND REGULATIONS 1. The authority citation for part 2 continues to read as follows: Authority: 47 U.S.C. 154, 302a, 303, and 336, unless otherwise noted. 2. Section 2.106 is amended by revising pages 7 through 9, 19, 22 through 27, 29 through

  12. eCFR :: 47 CFR 2.106 -- Table of Frequency Allocations

    (a) Allocation Table. The Table of Frequency Allocations (Allocation Table) consists of the International Table of Frequency Allocations (International Table), the United States Table of Frequency Allocations (United States Table), and the FCC rule part(s) cross references as described in §§ 2.104 and 2.105, respectively.The International Telecommunication Union (ITU) Radio Regulations are ...

  13. U.S. Radio Frequency Allocations

    U.S. Radio Frequency Allocations - 30 MHz to 300 GHz These are the United States radio frequency allocations per the wall chart issued by RF Design magazine in 2005.

  14. PDF U.S. Frequency Allocation Chart

    ION AD MI NISTRATION Standard 30.0 FIXED MOBILE Frequency and Time Signal SATELLITE SATELLITE Satellite (S-E) 31.0 (E-S) (E-S) Stand. Frequency and Time Signal FIXED MOBILE Satellite (S-E) 31.3 RADIO SPACE EARTH RESEARCH ASTRONOMY EXPLORATION (Passive) SAT. (Passive) 31.8 SPACE

  15. Graphical Frequency Allocations

    Information about the US Amateur Bands is available on the Frequency Allocations page as well as the frequency bands chart.. Printing the band charts. Download and print PDF documents using Adobe Reader.. Frequency Bands Chart [PDF] (8.5 X 11; grayscale) Frequency Bands Chart [PDF] (8.5 X 11; black/white) Frequency Bands Chart [PDF] (8.5 X 11; color) ...

  16. PDF WORLDWIDE SPECTRUM ALLOCATIONS Courtesy of Rohde & Schwarz

    WORLDWIDE SPECTRUM ALLOCATIONS Courtesy of Rohde & Schwarz 1 kHz www.rohde-schwarz.com 1 Sonar (Commercial) 2 Power Line Communications (FCC) 3 ADF Non-Directional Beacons (NDB) 4 AM Radio Broadcast 5 WWV Time Standard Signals 6 Major World Air Route Areas (MWARA) 7 International Shortwave Broadcasters 8 Citizen Band Radios (CB) 9 VHF Television (TV) 10 FM Radio Broadcast

  17. 7.3: Frequency Allocations

    This is the so-called Frequency Allocation Chart, which shows what kinds of broadcasting can occur in which frequency bands. Detailed radio carrier frequency assignments are much too detailed to present here. This page titled 7.3: Frequency Allocations is shared under a CC BY 1.0 license and was authored, remixed, and/or curated by Don H ...

  18. Database of Frequency Allocations

    200-209 GHz, 226-231.5 GHz, 250-252 GHz. (WRC‑03) 5.340.1 The allocation to the Earth exploration-satellite service (passive) and the space research service (passive) in the band 50.2-50.4 GHz should not impose undue constraints on the use of the adjacent bands by the primary allocated services in those bands.

  19. Amateur radio frequency allocations

    The list of frequency ranges is called a band allocation, which may be set by international agreements, ... (WRC-15) approved a new worldwide frequency allocation of 5.351.5-5.366.5 MHz to the amateurs on a secondary basis. The allocation limits amateur stations to 15 watts effective isotropic radiated power ...

  20. Table of Frequency Allocations and Radio Regulations

    These consist of: (1) Articles 1-59 in volume 1; Article 5 includes the ITU's Table of Frequency Allocations, which is the basis for the International Table in § 2.106, as well as the text of the footnotes to the ITU's Table of Frequency Allocations, which is the basis for the list of international footnotes in § 2.106; (2) Appendices (with ...

  21. ITU-R: Managing the radio-frequency spectrum for the world

    The foundation of international frequency management is the Radio Regulations (RR), the binding international treaty that determines how the radio frequency spectrum is shared between different services, including space services. Covering terrestrial fixed and mobile radio services, satellite-based services, sound and video broadcasting ...

  22. Common Aviation Frequencies: A Pilot's Communication Guide

    The full allocation list covering all 760 channels in the VHF aviation band is posted in FAA advisory circular 90-50D. While the full allocation listing is interesting to review, from an everyday use perspective it is most helpful to start out with learning the frequency ranges for each type of VHF signal as well as the specific frequencies ...