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Meteorological aids service (also: meteorological aids radiocommunication service) is – according to Article 1.50 of the International Telecommunication Union´s (ITU) Radio Regulations (RR) – defined as «A radiocommunication service used for meteorological, including hydrological, observations and exploration.»
Frequency allocation
The allocation of radio frequencies is provided according to Article 5 of the ITU Radio Regulations (edition 2012).
In order to improve harmonisation in spectrum utilisation, the majority of service-allocations stipulated in this document were incorporated in national Tables of Frequency Allocations and Utilisations which is with-in the responsibility of the appropriate national administration. The allocation might be primary, secondary, exclusive, and shared.
However, military usage, in bands where there is civil usage, will be in accordance with the ITU Radio Regulations.