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Radionavigation service (short: RNS) is – according to Article 1.42 of the International Telecommunication Union´s (ITU) Radio Regulations (RR) – defined as «A radiodetermination service for the purpose of radionavigation.»
Contents
This service is a so-called safety-of-life service, must be protected for Interferences, and is essential part of Navigation.
Classification
This radiocommunication service is classified in accordance with ITU Radio Regulations (article 1) as follows:
Radiodetermination service (article 1.40)
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 within the responsibility of the appropriate national administration. The allocation might be primary, secondary, exclusive, and shared.