Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

[..] Other primary terrestrial services: The primary terrestrial services other than the broadcasting service, and the primary radio astronomy service, to which the frequency bands 174-230 MHz and/or 470-862 MHz are allocated in the Planning Area in accordance with Article 5 of the Radio Regulations. [..]
Avots: Regional agreement Relating to the planning of the digital terrestrial broadcasting service in Region I (parts of Region I situated to the west of meridian 170o E and to the north of parallel 40o S, except the territory of Mongolia) and in the Islamic Republic of Iran, in the frequency bands 174-230 MHz and 470-862 MHz (Geneva, 2006).

[..] Bits (words), fields that are not allocated but are reserved for future allocation [..]
Avots: Annex 10 to the Convention on International Civil Aviation, Volume I (radio navigation aids)