Detail of Frequency Band
Band 50.5 – 52 MHz
Notes to whole band | 5.166B, 5.166C |
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Part of RSUP | RSUP-P/26 |
Service Amateur | |
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Category of assignment | Secondary |
Non-civil utilisation | Not used |
Civil utilisation | Primary |
Note | 5.169B |
Application Amateur | |
Section | 50 – 52 MHz |
Additional information | Amateur applications. |
Service Land mobile | |
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Category of assignment | Primary |
Non-civil utilisation | Secondary |
Civil utilisation | Primary |
Note | 5.164 |
Application Land mobile | |
Harmonisation | CEPT/ERC T/R 25-08 |
Additional information | Simplex mobile networks and links for which apply: basic channel separation 25 kHz and additional channel separation 12.5 kHz, radiated power max. 10 W e.r.p. |
Service Radiolocation | |
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Category of assignment | Secondary |
Non-civil utilisation | Not used |
Civil utilisation | Only |
Note | 5.162A |
Application Weather radar | |
Additional information | Wind profilers |
Application Defence systems | |
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Additional information | Non-civil use as secondary |
Application GPR/WPR | |
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Harmonisations | CEPT/ERC/REC 70-03, CEPT/ECC/DEC/(06)08, (EU) 2019/785 |
Authorisation | VO-R/10 Art. 6 |
Additional information | For detailed conditions see General Authorisation |
Application NMR | |
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Harmonisations | CEPT/ERC/REC 70-03, (EU) 2022/180 |
Additional information | SRD NMR |
Non-civil Utilisation – Priority
Band reserved for non-civil utilisation. If civil utilisation is also stated with priority, the band is being used equally with civil utilisation on the basis of coordination.
Non-civil Utilisation – Subsidiarity
Non-civil stations can use the band with subsidiarity to civil ones (which use the band with priority), but must not interfere and do not have rihgt to protection against interference by civil utilisation.
Non-civil Utilisation – Not Used
Non-civil stations cannot use the band.
Civil Utilisation – Priority
Band reserved for civil utilisation. If non-civil utilisation is also stated with priority, the band is being used equally with non-civil utilisation on the basis of coordination.
Civil Utilisation – Subsidiarity
Civil stations can use the band with subsidiarity to non-civil ones (which use the band with priority), but must not interfere and do not have rihgt to protection against interference by non-civil utilisation.
Civil Utilisation – Not Used
Civil stations cannot use the band.
Note 5.166B
In Region 1, stations in the amateur service operating on a secondary basis shall not cause harmful interference to, or claim protection from, stations of the broadcasting service. The field strength generated by an amateur station in Region 1 in the frequency band 50-52 MHz shall not exceed a calculated value of +6 dB(μV/m) at a height of 10 m above ground for more than 10% of time along the border of a country with operational analogue broadcasting stations in Region 1 and of neighbouring countries with broadcasting stations in Region 3 listed in Nos. 5.167 and 5.168. (WRC-19)
Note 5.166C
In Region 1, stations in the amateur service in the frequency band 50-52 MHz, with the exception of those countries listed in No. 5.169, shall not cause harmful interference to, or claim protection from, wind profiler radars operating in the radiolocation service under No. 5.162A. (WRC-19)
Note 5.164
Additional allocation: in Albania, Algeria, Germany, Austria, Belgium, Bosnia and Herzegovina, Botswana, Bulgaria, Côte d'Ivoire, Croatia, Denmark, Spain, Estonia, Eswatini, Finland, France, Gabon, Greece, Hungary, Ireland, Israel, Italy, Jordan, Lebanon, Libya, Liechtenstein, Lithuania, Luxembourg, Madagascar, Mali, Malta, Morocco, Mauritania,Monaco, Montenegro, Nigeria, Norway, the Netherlands, Poland, Syrian Arab Republic, Slovakia, Czech Rep., Romania, the United Kingdom, Serbia, Slovenia, Sweden, Switzerland, Chad, Togo, Tunisia and Turkey, the frequency band 47-68 MHz, in South Africa the frequency band 47-50 MHz, and in Latvia the frequency band 48.5-56.5 MHz and 58-68 MHz, are also allocated to the land mobile service on a primary basis. However, stations of the land mobile service in the countries mentioned in connection with each frequency band referred to in this footnote shall not cause harmful interference to, or claim protection from, existing or planned broadcasting stations of countries other than those mentioned in connection with the frequency band.
Note 5.169B
Except countries listed under No. 5.169, stations in the amateur service used in Region 1, in all or part of the 50-54 MHz frequency band, shall not cause harmful interference to, or claim protection from, stations of other services used in accordance with the Radio Regulations in Algeria, Armenia, Azerbaijan, Belarus, Egypt, Russian Federation, Iran (Islamic Republic of), Iraq, Kazakhstan, Kyrgyzstan, Libya, Uzbekistan, Palestine*, the Syrian Arab Republic, Sudan, Tunisia and Ukraine. The field strength generated by an amateur station in the frequency band 50-54 MHz shall not exceed a value of +6 dB(μV/m) at a height of 10 m above ground for more than 10% of time along the borders of the countries listed in this provision. (WRC-19)
Note 5.162A
Additional allocation: in Germany, Austria, Belgium, Bosnia and Herzegovina, China, Vatican, Denmark, Spain, Estonia, the Russian Federation, Finland, France, Ireland, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, North Macedonia, Monaco, Montenegro, Norway, the Netherlands, Poland, Portugal, the Czech Rep., the United Kingdom, Serbia, Slovenia, Sweden and Switzerland the band 46-68 MHz is also allocated to the radiolocation service on a secondary basis. This use is limited to the operation of wind profiler radars in accordance with Resolution 217.