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AS (3)
- Usado para
- anti-spoofing
- Fonte1
- WORLD METEOROLOGICAL ORGANIZATION. Guide to meteorological instruments and methods of observation. Geneva, 2012. (WMO, n.8).
- Contexto
- This is especially beneficial when the radiosonde is near the ground station, since location errors introduced by propagation delays from the spacecraft to the receivers or by anti-spoofing are similar in both receivers and can be eliminated to a large extent.
- The precision (P) code, may be replaced by a military controlled Y code during periods when anti-spoofing (AS) is active.