Spacecraft Abbreviations and Acronyms

  1. CAT I
    Operational performance Category 1
  2. CAT II
    Operational performance Category II
  3. CAT IIIa
    Operational performance Category IIIa
  4. CAT IIIb
    Operational performance Category IIIb
  5. CAT IIIc
    Operational performance Category IIIc
  6. NAVCOMM
    Navigation and communications equipment or receiver
  7. NAVSTAR-GPS
    NAVigation Satellite Timing and Ranging (The formal name for the space-borne or satellite navigation system)
  8. P-Code
    GPS precision code
  9. P-RNAV
    Precision Area Navigation
  10. R-NAV
    Area Navigation
  11. satcom
    Satellite Communication
  12. TAWS
    Terrain Awareness Warning System
  13. V/L
    VOR/Localizer
  14. V/NAV
    Vertical navigation
  15. V/R
    Voltage Regulator
  16. V/REF
    Reference velocity
  17. V/S
    Vertical Speed
  18. V/TRK
    Vertical Track
  19. Sat Nav
    Satellite Navigation
  20. COM/PC
    Communications Society

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