Section 499C - Australian Radiofrequency Spectrum Plan (2025 Update) 2021 - The allocation of the frequency band 13.4–13.65 GHz to the space research service on a primary basis is limited to: | Zoe
499C The allocation of the frequency band 13.4–13.65 GHz to the space research service on a primary basis is limited to:
satellite systems operating in the space research service (space-to-space) to relay data from space stations in the geostationary-satellite orbit to associated space stations in non-geostationary satellite orbits for which advance publication information has been received by the Bureau by 27 November 2015,
active spaceborne sensors,
satellite systems operating in the space research service (space-to-Earth) to relay data from space stations in the geostationary-satellite orbit to associated earth stations.
Other uses of the frequency band by the space research service are on a secondary basis. (WRC-15)
499D In the frequency band 13.4–13.65 GHz, satellite systems in the space research service (space-to-Earth) and/or the space research service (space-to-space) shall not cause harmful interference to, nor claim protection from, stations in the fixed, mobile, radiolocation and Earth exploration–satellite (active) services. (WRC-15)
499E In the frequency band 13.4–13.65 GHz, geostationary-satellite networks in the fixed–satellite service (space-to-Earth) shall not claim protection from space stations in the Earth exploration–satellite service (active) operating in accordance with the Radio Regulations, and No. 43A does not apply. The provisions of No. 22.2 do not apply to the Earth exploration–satellite service (active) with respect to the fixed–satellite service (space-to-Earth) in this frequency band. (WRC-15)
500 Additional allocation: in Algeria, Saudi Arabia, Bahrain, Brunei Darussalam, Cameroon, Djibouti, Egypt, the United Arab Emirates, Gabon, Indonesia, Iran (Islamic Republic of), Iraq, Israel, Jordan, Kuwait, Lebanon, Madagascar, Malaysia, Mali, Morocco, Mauritania, Niger, Nigeria, Oman, Qatar, the Syrian Arab Republic, Singapore, Somalia, Sudan, South Sudan, Chad and Tunisia, the frequency band 13.4–14 GHz is also allocated to the fixed and mobile services on a primary basis. In Pakistan, the frequency band 13.4–13.75 GHz is also allocated to the fixed and mobile services on a primary basis. (WRC-23)
501 Additional allocation: in Hungary, Japan, Kyrgyzstan, Romania and Turkmenistan, the frequency band 13.4–14 GHz is also allocated to the radionavigation service on a primary basis. (WRC-23)
501A The allocation of the frequency band 13.65–13.75 GHz to the space research service on a primary basis is limited to active spaceborne sensors. Other uses of the frequency band by the space research service are on a secondary basis. (WRC-15)
501B In the band 13.4–13.75 GHz, the Earth exploration–satellite (active) and space research (active) services shall not cause harmful interference to, or constrain the use and development of, the radiolocation service. (WRC-97)
502 In the band 13.75–14 GHz, an Earth station of a geostationary fixed–satellite service network shall have a minimum antenna diameter of 1.2 m and an Earth station of a non-geostationary fixed–satellite service system shall have a minimum antenna diameter of 4.5 m. In addition, the e.i.r.p., averaged over one second, radiated by a station in the radiolocation or radionavigation services shall not exceed 59 dBW for elevation angles above 2° and 65 dBW at lower angles. Before an administration brings into use an Earth station in a geostationary-satellite network in the fixed–satellite service in this band with an antenna diameter smaller than 4.5 m, it shall ensure that the power flux-density produced by this Earth station does not exceed:
−115 dB(W/(m2·10 MHz)) for more than 1% of the time produced at 36 m above sea level at the low water mark, as officially recognised by the coastal State;
−115 dB(W/(m2·10 MHz)) for more than 1% of the time produced 3 m above ground at the border of the territory of an administration deploying or planning to deploy land mobile radars in this band, unless prior agreement has been obtained.
For Earth stations within the fixed–satellite service having an antenna diameter greater than or equal to 4.5 m, the e.i.r.p. of any emission should be at least 68 dBW and should not exceed 85 dBW. (WRC-03)
503 In the band 13.75–14 GHz, geostationary space stations in the space research service for which information for advance publication has been received by the Bureau prior to 31 January 1992 shall operate on an equal basis with stations in the fixed–satellite service; after that date, new geostationary space stations in the space research service will operate on a secondary basis. Until those geostationary space stations in the space research service for which information for advance publication has been received by the Bureau prior to 31 January 1992 cease to operate in this band:
in the band 13.77–13.78 GHz, the e.i.r.p. density of emissions from any Earth station in the fixed–satellite service operating with a space station in geostationary-satellite orbit shall not exceed:
i) 4.7D + 28 dB(W/40 kHz), where D is the fixed–satellite service Earth station antenna diameter (m) for antenna diameters equal to or greater than 1.2 m and less than 4.5 m;
ii) 49.2 + 20 log(D/4.5) dB(W/40 kHz), where D is the fixed–satellite service Earth station antenna diameter (m) for antenna diameters equal to or greater than 4.5 m and less than 31.9 m;
iii) 66.2 dB(W/40 kHz) for any fixed–satellite service Earth station for antenna diameters (m) equal to or greater than 31.9 m;
iv) 56.2 dB(W/4 kHz) for narrow-band (less than 40 kHz of necessary bandwidth) fixed satellite service Earth station emissions from any fixed–satellite service Earth station having an antenna diameter of 4.5 m or greater;
the e.i.r.p. density of emissions from any Earth station in the fixed–satellite service operating with a space station in non-geostationary-satellite orbit shall not exceed 51 dBW in the 6 MHz band from 13.772 to 13.778 GHz.
Automatic power control may be used to increase the e.i.r.p. density in these frequency ranges to compensate for rain attenuation, to the extent that the power flux-density at the fixed–satellite service space station does not exceed the value resulting from use by an Earth station of an e.i.r.p. meeting the above limits in clear-sky conditions. (WRC-03)
504 The use of the band 14–14.3 GHz by the radionavigation service shall be such as to provide sufficient protection to space stations of the fixed–satellite service.
504A In the band 14–14.5 GHz, aircraft Earth stations in the secondary aeronautical mobile–satellite service may also communicate with space stations in the fixed–satellite service. The provisions of Nos. 29, 30 and 31 apply. (WRC-03)
504B Aircraft Earth stations operating in the aeronautical mobile–satellite service in the frequency band 14–14.5 GHz shall comply with the provisions of Annex 1, Part C of Recommendation ITU‑R M.1643-0, with respect to any radio astronomy station performing observations in the 14.47–14.5 GHz frequency band located on the territory of Spain, France, India, Italy, the United Kingdom and South Africa. (WRC-15)
504C In the frequency band 14–14.25 GHz, the power flux-density produced on the territory of the countries of Saudi Arabia, Bahrain, Botswana, Côte d’Ivoire, Egypt, Guinea, India, Iran (Islamic Republic of), Kuwait, Nigeria, Oman, the Syrian Arab Republic and Tunisia by any aircraft earth station in the aeronautical mobile–satellite service shall not exceed the limits given in Annex 1, Part B of Recommendation ITU‑R M.1643-0, unless otherwise specifically agreed by the affected administration(s). The provisions of this footnote in no way derogate the obligations of the aeronautical mobile–satellite service to operate as a secondary service in accordance with No. 29. (WRC-15)
505 Additional allocation: in Algeria, Saudi Arabia, Bahrain, Botswana, Brunei Darussalam, Cameroon, China, Congo (Rep. of the), Korea (Rep. of), Djibouti, Egypt, the United Arab Emirates, Eswatini, Gabon, Guinea, India, Indonesia, Iran (Islamic Republic of), Iraq, Israel, Japan, Jordan, Kuwait, Lebanon, Malaysia, Mali, Morocco, Mauritania, Oman, the Philippines, Qatar, the Syrian Arab Republic, the Dem. People’s Rep. of Korea, Singapore, Somalia, Sudan, South Sudan, Chad, Viet Nam and Yemen, the frequency band 14–14.3 GHz is also allocated to the fixed service on a primary basis. (WRC-19)
506 The band 14–14.5 GHz may be used, within the fixed–satellite service (Earth-to-space), for feeder links for the broadcasting–satellite service, subject to coordination with other networks in the fixed–satellite service. Such use of feeder links is reserved for countries outside Europe.
506A In the frequency band 14–14.5 GHz, ship earth stations with an equivalent isotropically radiated power (e.i.r.p.) greater than 21 dBW shall operate under the same conditions as earth stations located on board vessels, as provided in Resolution 902 (Rev.WRC-23). This footnote shall not apply to ship earth stations for which the complete Appendix 4 information has been received by the Bureau prior to 5 July 2003. (WRC-23)
506B Earth stations located on board vessels communicating with space stations in the fixed–satellite service may operate in the frequency band 14–14.5 GHz without the need for prior agreement from Cyprus, and Malta, within the minimum distance given in Resolution 902 (Rev.WRC-23) from these countries. (WRC-23)
508 Additional allocation: in Germany, Italy, Libya, North Macedonia and the United Kingdom, the frequency band 14.25–14.3 GHz is also allocated to the fixed service on a primary basis. (WRC-23)
508A In the frequency band 14.25–14.3 GHz, the power flux-density produced on the territory of the countries of Saudi Arabia, Bahrain, Botswana, China, Côte d’Ivoire, Egypt, Guinea, India, Iran (Islamic Republic of), Italy, Kuwait, Nigeria, Oman, the Syrian Arab Republic, the United Kingdom and Tunisia by any aircraft earth station in the aeronautical mobile–satellite service shall not exceed the limits given in Annex 1, Part B of Recommendation ITU‑R M.1643-0, unless otherwise specifically agreed by the affected administration(s). The provisions of this footnote in no way derogate the obligations of the aeronautical mobile–satellite service to operate as a secondary service in accordance with No. 29. (WRC-23)
509A In the frequency band 14.3–14.5 GHz, the power flux-density produced on the territory of the countries of Saudi Arabia, Bahrain, Botswana, Cameroon, China, Côte d’Ivoire, Egypt, Gabon, Guinea, India, Iran (Islamic Republic of), Italy, Kuwait, Morocco, Nigeria, Oman, the Syrian Arab Republic, the United Kingdom, Sri Lanka, Tunisia and Viet Nam by any aircraft earth station in the aeronautical mobile–satellite service shall not exceed the limits given in Annex 1, Part B of Recommendation ITU‑R M.1643-0, unless otherwise specifically agreed by the affected administration(s). The provisions of this footnote in no way derogate the obligations of the aeronautical mobile–satellite service to operate as a secondary service in accordance with No. 29. (WRC-23)
509B The use of the frequency bands 14.5–14.75 GHz in countries listed in Resolution 163 (WRC-15) and 14.5–14.8 GHz in countries listed in Resolution 164 (WRC-15) by the fixed–satellite service (Earth-to-space) not for feeder links for the broadcasting–satellite service is limited to geostationary-satellites. (WRC-15)
509C For the use of the frequency bands 14.5–14.75 GHz in countries listed in Resolution 163 (WRC-15) and 14.5–14.8 GHz in countries listed in Resolution 164 (WRC-15) by the fixed–satellite service (Earth-to-space) not for feeder links for the broadcasting–satellite service, the fixed–satellite service earth stations shall have a minimum antenna diameter of 6 m and a maximum power spectral density of −44.5 dBW/Hz at the input of the antenna. The earth stations shall be notified at known locations on land. (WRC-15)
509D Before an administration brings into use an earth station in the fixed–satellite service (Earth-to-space) not for feeder links for the broadcasting–satellite service in the frequency bands 14.5–14.75 GHz (in countries listed in Resolution 163 (WRC-15)) and 14.5–14.8 GHz (in countries listed in Resolution 164 (WRC-15)), it shall ensure that the power flux-density produced by this earth station does not exceed −151.5 dB(W/(m2·4 kHz) produced at all altitudes from 0 m to 19 000 m above sea level at 22 km seaward from all coasts, defined as the low-water mark, as officially recognised by each coastal State. (WRC-15)
509E In the frequency bands 14.5–14.75 GHz in countries listed in Resolution 163 (WRC-15) and 14.5–14.8 GHz in countries listed in Resolution 164 (WRC-15), the location of earth stations in the fixed–satellite service (Earth-to-space) not for feeder links for the broadcasting–satellite service shall maintain a separation distance of at least 500 km from the border(s) of other countries unless shorter distances are explicitly agreed by those administrations. No. 9.17 does not apply. When applying this provision, administrations should consider the relevant parts of these Regulations and the latest relevant ITU-R Recommendations. (WRC-15)
509F In the frequency bands 14.5–14.75 GHz in countries listed in Resolution 163 (WRC-15) and 14.5–14.8 GHz in countries listed in Resolution 164 (WRC-15), earth stations in the fixed–satellite service (Earth-to-space) not for feeder links for the broadcasting–satellite service shall not constrain the future deployment of the fixed and mobile services. (WRC-15)
509G The frequency band 14.5–14.8 GHz is also allocated to the space research service on a primary basis. However, such use is limited to the satellite systems operating in the space research service (Earth-to-space) to relay data to space stations in the geostationary–satellite orbit from associated earth stations. Stations in the space research service shall not cause harmful interference to, or claim protection from, stations in the fixed and mobile services and in the fixed–satellite service limited to feeder links for the broadcasting–satellite service and associated space operations functions using the guardbands under Appendix 30A and feeder links for the broadcasting–satellite service in Region 2. Other uses of this frequency band by the space research service are on a secondary basis. (WRC-15)
510 Except for use in accordance with Resolution 163 (WRC-15) and Resolution 164 (WRC-15), the use of the frequency band 14.5–14.8 GHz by the fixed–satellite service (Earth-to-space) is limited to feeder links for the broadcasting–satellite service. This use is reserved for countries outside Europe. Uses other than feeder links for the broadcasting–satellite service are not authorised in Regions 1 and 2 in the frequency band 14.75–14.8 GHz. (WRC-15)
510A The allocation of the frequency band 14.8-15.35 GHz to the space research service on a primary basis is limited to satellite systems operating in the space-to-space, space-to-Earth and Earth-to-space directions at distances from the Earth of less than 2 × 106 km in accordance with Resolution 678 (WRC-23). Other uses of the frequency band by the space research service are on a secondary basis. The use of the frequency band 14.8-15.35 GHz by the space research service (space-to-Earth) (Earth-to-space) is on a secondary basis with respect to the terrestrial services in Algeria, Saudi Arabia, Bahrain, Korea (Rep. of), Egypt, the United Arab Emirates, the United States, India, Iraq, Japan, Kuwait, Libya, Morocco, Mauritania, Oman, Qatar, the Syrian Arab Republic, Tunisia and Yemen. (WRC-23)
511 Additional allocation: in Saudi Arabia, Bahrain, Cameroon, Djibouti, Egypt, the United Arab Emirates, Guinea, Iran (Islamic Republic of), Iraq, Israel, Kuwait, Lebanon, Oman, Pakistan, Qatar, the Syrian Arab Republic and Somalia, the frequency band 15.35–15.4 GHz is also allocated to the fixed and mobile services on a secondary basis. (WRC-23)
511A Use of the frequency band 15.43–15.63 GHz by the fixed–satellite service (Earth-to-space) is limited to feeder links of non-geostationary systems in the mobile–satellite service, subject to coordination under No. 9.11A. (WRC-15)
511C Stations operating in the aeronautical radionavigation service shall limit the effective e.i.r.p. in accordance with Recommendation ITU‑R S.1340-0. The minimum coordination distance required to protect the aeronautical radionavigation stations (No. 4.10 applies) from harmful interference from feeder-link earth stations and the maximum e.i.r.p. transmitted towards the local horizontal plane by a feeder-link earth station shall be in accordance with Recommendation ITU‑R S.1340-0. (WRC-15)
511E In the frequency band 15.4–15.7 GHz, stations operating in the radiolocation service shall not cause harmful interference to, or claim protection from, stations operating in the aeronautical radionavigation service.
511F In order to protect the radio astronomy service in the frequency band 15.35–15.4 GHz, radiolocation stations operating in the frequency band 15.4–15.7 GHz shall not exceed the power flux-density level of −156 dB(W/m2) in a 50 MHz bandwidth in the frequency band 15.35–15.4 GHz, at any radio astronomy observatory site for more than 2 per cent of the time.
511G Stations in the aeronautical mobile (OR) service operating in the frequency band 15.41-15.7 GHz shall not cause harmful interference to the radio astronomy service operating in the frequency band 15.35-15.4 GHz. The aggregate power flux-density (pfd) received from stations in the aeronautical mobile (OR) service operating in the frequency band 15.41-15.7 GHz at any radio astronomy station operating in the frequency band 15.35-15.4 GHz shall be in compliance with the protection criteria provided in Recommendations ITU-R RA.769-2 and ITU-R RA.1513-2, unless specifically agreed by the affected administration(s). (WRC-23)
511H Additional allocation: in Indonesia, the frequency band 15.41-15.7 GHz is also allocated to the aeronautical mobile (OR) service on a secondary basis. Stations in the aeronautical mobile (OR) service operating in the frequency band 15.41-15.7 GHz shall not cause harmful interference to the radio astronomy service operating in the frequency band 15.35-15.4 GHz. The aggregate power flux-density (pfd) received from stations in the aeronautical mobile (OR) service operating in the frequency band 15.41-15.7 GHz at any radio astronomy station operating in the frequency band 15.35-15.4 GHz shall be in compliance with the protection criteria provided in Recommendations ITU-R RA.769-2 and ITU-R RA.1513-2, unless specifically agreed by the affected administration(s). (WRC-23)
512 Additional allocation: in Algeria, Saudi Arabia, Austria, Bahrain, Bangladesh, Brunei Darussalam, Cameroon, Congo (Rep. of the), Egypt, El Salvador, the United Arab Emirates, Eritrea, Finland, Guatemala, India, Indonesia, Iran (Islamic Republic of), Jordan, Kenya, Kuwait, Lebanon, Libya, Malaysia, Mali, Morocco, Mauritania, Montenegro, Nepal, Nicaragua, Niger, Oman, Pakistan, Qatar, Syrian Arab Republic, the Dem. Rep. of the Congo, Singapore, Somalia, Sudan, South sudan, chad, Togo and Yemen, the frequency band 15.7–17.3 GHz is also allocated to the fixed and mobile services on a primary basis. (WRC-15)
513 Additional allocation: in Israel, the band 15.7–17.3 GHz is also allocated to the fixed and mobile services on a primary basis. These services shall not claim protection from or cause harmful interference to services operating in accordance with the Table in countries other than those included in No. 512.
513A Spaceborne active sensors operating in the band 17.2–17.3 GHz shall not cause harmful interference to, or constrain the development of, the radiolocation and other services allocated on a primary basis. (WRC-97)
514 Additional allocation: in Algeria, Saudi Arabia, Bahrain, Bangladesh, Cameroon, Djibouti, El Salvador, the United Arab Emirates, Guatemala, India, Iran (Islamic Republic of), Iraq, Israel, Italy, Japan, Jordan, Kuwait, Libya, Lithuania, Nepal, Nicaragua, Nigeria, Oman, Uzbekistan, Pakistan, Qatar, Kyrgyzstan, Somalia, Sudan and South Sudan, the frequency band 17.3–17.7 GHz is also allocated to the fixed and mobile services on a secondary basis. The power limits given in Nos. 21.3 and 21.5 shall apply. (WRC-23)
515 In the band 17.3–17.8 GHz, sharing between the fixed–satellite service (Earth-to-space) and the broadcasting–satellite service shall also be in accordance with the provisions of § 1 of Annex 4 of Appendix 30A.
515A In addition to the need to comply with the coordination criteria in Annex 4 to Appendix 30A, under assumed free-space propagation conditions, the power flux-density of an assignment in the fixed-satellite service (space to-Earth) of a geostationary-satellite network in the frequency band 17.3-17.7 GHz in Region 2 shall not exceed the value of −98 dB(W/(m2 · 27 MHz)) at points in the geostationary-satellite orbit with geocentric orbital separation angles between 152.6° and 162.6°. (WRC-23)
515B In the frequency band 17.3-17.7 GHz, the use of the fixed-satellite service (space-to-Earth) by geostationary-satellite space stations in Region 2 shall not cause harmful interference to space station receivers nor claim protection from the broadcasting-satellite service feeder-link earth stations operating under Appendix 30A in all three Regions, nor put any limitations or restrictions on the locations of the broadcasting-satellite service feeder-link earth stations anywhere within the service area of the feeder link. The notifying administration for the fixed-satellite service (space-to-Earth), when submitting Appendix 4 information elements, shall provide a firm, objective, actionable, measurable and enforceable commitment that, in the event of harmful interference being reported to space station receivers in Appendix 30A, it shall take immediate action to eliminate the interference or reduce it to an acceptable level. (WRC-23)
516 The use of the band 17.3–18.1 GHz by geostationary-satellite systems in the fixed–satellite service (Earth-to-space) is limited to feeder links for the broadcasting–satellite service. The use of the band 17.3–17.8 GHz in Region 2 by systems in the fixed–satellite service (Earth-to-space) is limited to geostationary satellites. For the use of the band 17.3–17.8 GHz in Region 2 by feeder links for the broadcasting–satellite service in the band 12.2–12.7 GHz, see Article 11. The use of the bands 17.3–18.1 GHz (Earth-to-space) in Regions 1 and 3 and 17.8–18.1 GHz (Earth-to-space) in Region 2 by non-geostationary-satellite systems in the fixed–satellite service is subject to application of the provisions of No. 9.12 for coordination with other non-geostationary-satellite systems in the fixed–satellite service. Non-geostationary-satellite systems in the fixed–satellite service shall not claim protection from geostationary-satellite networks in the fixed–satellite service operating in accordance with the Radio Regulations, irrespective of the dates of receipt by the Bureau of the complete coordination or notification information, as appropriate, for the non-geostationary-satellite systems in the fixed–satellite service and of the complete coordination or notification information, as appropriate, for the geostationary-satellite networks, and No. 43A does not apply. Non-geostationary-satellite systems in the fixed–satellite service in the above bands shall be operated in such a way that any unacceptable interference that may occur during their operation shall be rapidly eliminated. (WRC-2000)
516A In the band 17.3–17.7 GHz, Earth stations of the fixed–satellite service (space-to-Earth) in Region 1 shall not claim protection from the broadcasting–satellite service feeder-link Earth stations operating under Appendix 30A, nor put any limitations or restrictions on the locations of the broadcasting–satellite service feeder-link Earth stations anywhere within the service area of the feeder link. (WRC-03)