Unlock All 69 Frequency Bands
You're viewing a free sample. Sign up for free to access the full ITU Radio Regulations dataset — all frequency bands, WRC allocation history, and regulatory footnotes.
ITU RR table: 110-255 kHz
110 – 255 kHz
This Long Wave (LW) band is used for AM broadcasting in ITU Region 1 (Europe, Africa, Middle East) and for maritime radionavigation. Allocations have been stable since WARC-79 given the well-established nature of long-wave broadcasting and navigation services in this range.
Allocation Changes Timeline
Regulatory changes made to this frequency band at each World Radiocommunication Conference.
WRC-2023
190 – 200 kHz
Service Aeronautical radionavigation (was primary) removed in Region 2
190 – 200 kHz
Service Aeronautical radionavigation added as primary in Region 2
WRC-2019
110 – 255 kHz
WRC-19: Footnote 5.70 revised (alternative allocation)
Footnote text
5.70 Alternative allocation: in Angola, Botswana, Burundi, the Central African Rep., Congo (Rep. of the), Eswatini, Ethiopia, Kenya, Lesotho, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Oman, the Dem. Rep. of the Congo, South Africa, Tanzania, Chad, Zambia and Zimbabwe, the frequency band 200-...
130 – 148 kHz
WRC-19: Footnote 5.67 revised (additional allocation)
Footnote text
5.67 Additional allocation: in Kyrgyzstan and Turkmenistan, the frequency band 130-148.5 kHz is also allocated to the radionavigation service on a secondary basis. Within and between these countries this service shall have an equal right to operate. (WRC-19)
136 – 138 kHz
WRC-19: Footnote 5.67B revised (condition)
Footnote text
5.67B The use of the frequency band 135.7-137.8 kHz in Algeria, Egypt, Iraq, Lebanon, Syrian Arab Republic, Sudan, South Sudan and Tunisia is limited to the fixed and maritime mobile services. The amateur service shall not be used in the above-mentioned countries in the frequency band 135.7-137.8 kH...
200 – 275 kHz
Service Aeronautical mobile (was secondary) removed in Region 2
200 – 275 kHz
Service Aeronautical mobile added as secondary in Region 2
200 – 285 kHz
Service Aeronautical mobile added as secondary in Region 3
200 – 285 kHz
Service Aeronautical mobile (was secondary) removed in Region 3
200 – 415 kHz
WRC-19: Footnote 5.77 revised (different category)
Footnote text
5.77 Different category of service: in Australia, China, the French overseas communities of Region 3, Korea (Rep. of), India, Iran (Islamic Republic of), Japan, Pakistan, Papua New Guinea, the Dem. People’s Rep. of Korea and Sri Lanka, the allocation of the frequency band 415-495 kHz to the aeronaut...
200 – 415 kHz
WRC-19: Footnote 5.70 revised (alternative allocation)
Footnote text
5.70 Alternative allocation: in Angola, Botswana, Burundi, the Central African Rep., Congo (Rep. of the), Eswatini, Ethiopia, Kenya, Lesotho, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Oman, the Dem. Rep. of the Congo, South Africa, Tanzania, Chad, Zambia and Zimbabwe, the frequency band 200-...
200 – 415 kHz
WRC-19: Footnote 5.79 revised (condition)
Footnote text
5.79 In the maritime mobile service, the frequency bands 415-495 kHz and 505-526.5 kHz are limited to radiotelegraphy and may also be used for the NAVDAT system in accordance with the most recent version of Recommendation ITU-R M.2010, subject to agreement between interested and affected administrat...
200 – 415 kHz
WRC-19: Footnote 5.71 suppressed (condition)
This footnote was suppressed and no longer exists in subsequent editions.
WRC-2015
160 – 200 kHz
WRC-15: Footnote 5.68 revised (alternative allocation)
Footnote text
5.68 Alternative allocation: in Congo (Rep. of the), the Dem. Rep. of the Congo and South Africa, the frequency band 160-200 kHz is allocated to the fixed service on a primary basis. (WRC-15)
190 – 200 kHz
Service Aeronautical radionavigation (was primary) removed in Region 2
190 – 200 kHz
Service Aeronautical radionavigation added as primary in Region 2
WRC-2012
136 – 138 kHz
WRC-12: Footnote 5.67B revised (condition)
Footnote text
5.67B The use of the band 135.7-137.8 kHz in Algeria, Egypt, Iran (Islamic Republic of), Iraq, Lebanon, Syrian Arab Republic, Sudan, South Sudan and Tunisia is limited to the fixed and maritime mobile services. The amateur service shall not be used in the above-mentioned countries in the band 135.7-...
160 – 200 kHz
WRC-12: Footnote 5.68 revised (alternative allocation)
Footnote text
5.68 Alternative allocation: in Angola, Congo (Rep. of the), the Dem. Rep. of the Congo and South Africa, the band 160-200 kHz is allocated to the fixed service on a primary basis. (WRC-12)
200 – 284 kHz
WRC-12: Footnote 5.70 revised (alternative allocation)
Footnote text
5.70 Alternative allocation: in Angola, Botswana, Burundi, the Central African Rep., Congo (Rep. of the), Ethiopia, Kenya, Lesotho, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Oman, the Dem. Rep. of the Congo, South Africa, Swaziland, Tanzania, Chad, Zambia and Zimbabwe, the band 200-283.5 kHz...
200 – 415 kHz
WRC-12: Footnote 5.77 revised (different category)
Footnote text
5.77 Different category of service: in Australia, China, the French overseas communities of Region 3, Korea (Rep. of), India, Iran (Islamic Republic of), Japan, Pakistan, Papua New Guinea and Sri Lanka, the allocation of the frequency band 415-495 kHz to the aeronautical radionavigation service is o...
200 – 415 kHz
WRC-12: Footnote 5.82 revised (condition)
Footnote text
5.82 In the maritime mobile service, the frequency 490 kHz is to be used exclusively for the transmission by coast stations of navigational and meteorological warnings and urgent information to ships, by means of narrow-band direct-printing telegraphy. The conditions for use of the frequency 490 kHz...
200 – 415 kHz
WRC-12: Footnote 5.72 suppressed (condition)
This footnote was suppressed and no longer exists in subsequent editions.
WRC-2007
110 – 255 kHz
WRC-07: Footnote 5.70 revised (alternative allocation)
Footnote text
5.70 Alternative allocation: in Angola, Botswana, Burundi, the Central African Rep., Congo (Rep. of the), Ethiopia, Kenya, Lesotho, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Oman, the Dem. Rep. of the Congo, Rwanda, South Africa, Swaziland, Tanzania, Chad, Zambia and Zimbabwe, the band 200-2...
130 – 148 kHz
WRC-07: Footnote 5.67 revised (additional allocation)
Footnote text
5.67 Additional allocation: in Mongolia, Kyrgyzstan and Turkmenistan, the band 130-148.5 kHz is also allocated to the radionavigation service on a secondary basis. Within and between these countries this service shall have an equal right to operate. (WRC-07)
136 – 138 kHz
WRC-07: Footnote 5.67A created (condition)
Footnote text
5.67A Stations in the amateur service using frequencies in the band 135.7-137.8 kHz shall not exceed a maximum radiated power of 1 W (e.i.r.p.) and shall not cause harmful interference to stations of the radionavigation service operating in countries listed in No. 5.67. (WRC-07)
136 – 138 kHz
WRC-07: Footnote 5.67B created (condition)
Footnote text
5.67B The use of the band 135.7-137.8 kHz in Algeria, Egypt, Iran (Islamic Republic of), Iraq, Libyan Arab Jamahiriya, Lebanon, Syrian Arab Republic, Sudan and Tunisia is limited to the fixed and maritime mobile services. The amateur service shall not be used in the above-mentioned countries in the ...
200 – 415 kHz
WRC-07: Footnote 5.70 revised (alternative allocation)
Footnote text
5.70 Alternative allocation: in Angola, Botswana, Burundi, the Central African Rep., Congo (Rep. of the), Ethiopia, Kenya, Lesotho, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Oman, the Dem. Rep. of the Congo, Rwanda, South Africa, Swaziland, Tanzania, Chad, Zambia and Zimbabwe, the band 200-2...
200 – 415 kHz
WRC-07: Footnote 5.79A revised (condition)
Footnote text
5.79A When establishing coast stations in the NAVTEX service on the frequencies 490 kHz, 518 kHz and 4 209.5 kHz, administrations are strongly recommended to coordinate the operating characteristics in accordance with the procedures of the International Maritime Organization (IMO) (see Resolution 33...
200 – 415 kHz
WRC-07: Footnote 5.82 revised (condition)
Footnote text
5.82 In the maritime mobile service, the frequency 490 kHz is to be used exclusively for the transmission by coast stations of navigational and meteorological warnings and urgent information to ships, by means of narrow-band direct-printing telegraphy. The conditions for use of the frequency 490 kHz...
200 – 415 kHz
WRC-07: Footnote 5.77 revised (different category)
Footnote text
5.77 Different category of service: in Australia, China, the French Overseas Communities of Region 3, India, Iran (Islamic Republic of), Japan, Pakistan, Papua New Guinea and Sri Lanka, the allocation of the band 415-495 kHz to the aeronautical radionavigation service is on a primary basis. Administ...
WRC-2003
110 – 255 kHz
WRC-03: Footnote 5.70 revised (alternative allocation)
Footnote text
5.70 Alternative allocation: in Angola, Botswana, Burundi, Cameroon, the Central African Rep., Congo (Rep. of the), Ethiopia, Lesotho, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Oman, Dem. Rep. of the Congo, Rwanda, South Africa, Swaziland, Tanzania, Chad, Zambia and Zimbabwe, the band 200-28...
160 – 200 kHz
WRC-03: Footnote 5.68 revised (alternative allocation)
Footnote text
5.68 Alternative allocation: in Angola, Burundi, Congo (Rep. of the), Malawi, Dem. Rep. of the Congo, Rwanda and South Africa, the band 160-200 kHz is allocated to the fixed service on a primary basis. (WRC-03)
200 – 415 kHz
WRC-03: Footnote 5.70 revised (alternative allocation)
Footnote text
5.70 Alternative allocation: in Angola, Botswana, Burundi, Cameroon, the Central African Rep., Congo (Rep. of the), Ethiopia, Lesotho, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Oman, Dem. Rep. of the Congo, Rwanda, South Africa, Swaziland, Tanzania, Chad, Zambia and Zimbabwe, the band 200-28...
WRC-2000
112 – 118 kHz
WRC-2000: Footnote 5.65 revised (different category)
Footnote text
5.65 Different category of service: in Bangladesh, the allocation of the bands 112-117.6 kHz and 126- 129 kHz to the fixed and maritime mobile services is on a primary basis (see No. S5.33).
200 – 415 kHz
WRC-2000: Footnote 5.77 revised (different category)
Footnote text
5.77 Different category of service: in Australia, China, the French Overseas Territories of Region 3, India, Indonesia (until 1 January 2005), Iran (Islamic Republic of), Japan, Pakistan, Papua New Guinea and Sri Lanka, the allocation of the band 415-495 kHz to the aeronautical radionavigation servi...
200 – 495 kHz
WRC-2000: Footnote 5.67 revised (additional allocation)
Footnote text
5.67 Additional allocation: in Azerbaijan, Bulgaria, Mongolia, Kyrgyzstan, Romania and Turkmenistan, the band 130-148.5 kHz is also allocated to the radionavigation service on a secondary basis. Within and between these countries this service shall have an equal right to operate. MOD 200-495 kHz All...
WRC-1997
130 – 148 kHz
WRC-97: Footnote 5.67 revised (additional allocation)
Footnote text
5.67 Additional allocation: in Azerbaijan, Bulgaria, Mongolia, Kyrgyzstan, Romania, Turkmenistan and Ukraine, the band 130-148.5 kHz is also allocated to the radionavigation service on a secondary basis. Within and between these countries this service shall have an equal right to operate. NOC S5.68 ...
200 – 415 kHz
WRC-97: Footnote 5.79A created (condition)
Footnote text
5.79A When establishing coast stations in the NAVTEX service on the frequencies 490 kHz, 518 kHz and 4 209.5 kHz, administrations are strongly recommended to coordinate the operating characteristics in accordance with the procedures of the International Maritime Organization (IMO) (see Resolution 33...
200 – 415 kHz
WRC-97: Footnote 5.82 revised (condition)
Footnote text
5.82 In the maritime mobile service, the frequency 490 kHz is, from the date of full implementation of the GMDSS (see Resolution 331 (Rev.WRC-97)), to be used exclusively for the transmission by coast stations of navigational and meteorological warnings and urgent information to ships, by means of n...