NASA Abbreviations and Acronyms

1. PCIN
   Program Change Integration
2. PCL
   Parallel Communications Links
3. PCL
   Primary Coolant Loop
4. PCL
   Primary Coolant Line
5. PCL
   Pallet Coolant Loop
6. PCL
   Power Control List
7. PCL
   Programming Check List
8. PCM
   Pulse Code Modulation
9. PCM
   Power Control Module
10. PCM
    E Pulse-Code Modulation Event
11. PCM
    Pulse Code Modulator
12. PCM
    Pulse-Code Modulation
13. PCM
    Power Control Mission
14. PCMD
    Pulse-Code Modulktion
15. PCMD
    Pulse-Code Modulation
16. PCMMU
    Pulse-Code Modulation Master Unit
17. PCMMU
    Pcmemaster Unit
18. PCMMU
    Pcm Master Unit
19. PCMS
    Pulse-Code Modulation Shared
20. PCN
    Project Control Number

Last updated: May 6, 2025 — Total entries: 14,020