Selective Availability (GPS)

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
SA
Pronunciation
/səˈlɛktɪv əˌveɪləˈbɪlɪti ˈgipiˈɛs/
Category
Governmental
Related Field
Military

Examples in Context

  1. Affected by the connatural error of Standard Positioning Service ( SPS ), Selective Availability, and urban districts surrounding, GPS positioning precision is difficult to satisfy the requirement of Special Vehicle Surveillance & Management System.
  2. Based on the data of GPS surveying in Qinghai-Xizang plateau, the impact of Selective Availability and Anti-Spoofing on precise geodetic survey with GPS is discussed.
  3. In the absence of the selective availability errors, the positioning accuracy of differential GPS is strongly dependent on the spatial decorrelation of the ionosphere.
  4. While giving the experimental results, discussions have been made upon all the factors affecting the timing and calibrating accuracy ( e.g. selective availability ).

Other meanings of SA

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