Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] The primary purpose of the SDM is to transmit control data and changes thereto from the transferring unit to the accepting unit, provided that it has been bilaterally agreed that the changes do not need to be acknowledged by the accepting controller. TheSDM message may also be used by the accepting unit to notify the transferring unit of the radio telephony frequency to which the flight is to be transferred. [..]
Avots: Commission Regulation (EC) No 2082/2000 of 6 September 2000 adopting Eurocontrol standards and amending Directive 97/15/EC, adopting Eurocontrol standards and amending Council Directive 93/65/EEC