Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] Elements of an upper triangle matrix which compresses the information in the clock and ephemeris covariance matrix. These elements are used to compute the user differential range estimate (UDRE) degradation factor (?UDRE) as a function of user position. [..]
Avots: Annex 10 to the Convention on International Civil Aviation. Volume I. Radio navigation aids II.