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Standard frequency and time signal service (short: SFTS) is – according to Article 1.53 of the International Telecommunication Union´s (ITU) Radio Regulations (RR) – defined as «A radiocommunication service for scientific, technical and other purposes, providing the transmission of specified frequencies, time signals, or both, of stated high precision, intended for general reception.»
Contents
Classification
In accordance with ITU Radio Regulations (article 1) variations of this radiocommunication service are classified as follows:
Standard frequency and time signal service (article 1.53)
In general this radiocommunication service uses radio stations as follows:
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.