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selective availability
- Definição1
- A satellite technology permitting the Department of Defense (DOD) to create, in the interest of national security, a significant clock and ephemeris error in the satellites, resulting in a navigation error.
- Fonte1
- UNITED STATES. Federal Aviation Administration. Instrument flying handbook. [Washington, DC: U.S: FAA, 2012]. Available at: faa.gov/sites/faa.gov/files/regulations_policies/handbooks_manuals/aviation/FAA-H-8083-15B.pdf. Access on: 10 jul. 2026.
- Definição2
- A set of techniques for denying the full accuracy and selecting the level of positioning, velocity and time accuracy of GPS available to users of the standard positioning service signal. Note.— GPS SA was discontinued at midnight on 1 May 2000.
- Fonte2
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 10 to the Convention on International Civil Aviation: aeronautical telecommunications: volume 1: radio navigation aids. 6th ed. Montreal, 2006. (Annex 10).
- Fonte3
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Assembly 36th session: Montreal, 18-28 september 2007: legal comission: report. Montreal, 2007. (Doc. 9900 A36-LE).
- Nota adicional1
- Acronym in English: SA.
- Contexto
- The Delegation of the United States reiterated that its government had renewed its offer to make the Global Positioning System (GPS) available for the use by civil aviation. The delegation further stated that its government had adopted a policy of not resorting to selective availability for different users, and that the new generation of the hardware did not even contain the feature of selective availability.
- Subárea1
- Air Navigation
- Português
- disponibilidade seletiva