Valsts valodas centra izstrādātie ģeogrāfijas un vēstures termini

Konteksts: [..] Where existing, relative surveys need to be related to ITRF (e.g. aerodrome obstacle surveys), and the local relationship (difference in latitude, longitude, orientation and scale) between the known, existing datum and ITRF has not been provided by the national geodetic agency, observations shall be taken to determine this. [..]
Avots: EUROCONTROL Specification for the Origination of Aeronautical Data Volume 1: Compliance Material for Commission Regulation (EU) 73/2010