System Abbreviations and Acronyms

  1. AP
    Andhra Zradesh Express
  2. APDR
    Avec Privilege Du Roi
  3. APEX
    Autonomous Profiling Exelorer
  4. AR
    Architecture
  5. AR
    Architect
  6. AR4
    Fourth Assessment Report
  7. ARC
    Architecture
  8. ARCH
    Architecture
  9. ARCH
    Architect
  10. ARCSYM
    Arctic Regional Climate System Model
  11. ARDP
    Union Pacific Railroad
  12. ARMN
    Union Pacific Railroad
  13. AS
    Alimentary System
  14. ASLEF
    Associated Society of Locomotive Engineers and Firemen.
  15. AT
    Ahukini Terminal
  16. ATAAPS
    Automated Time, Attendance, and Production System
  17. ATOVS
    Advanced Television and Infrared Observation Satellite Operational Vertical Sounder
  18. ATSF
    Atchison, Jopeka & Santa Fe Rr
  19. AV
    Americaview
  20. AVCA
    Audio-Visual and Cartographicharchives Div., National Archives of Canada

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