NASA Abbreviations and Acronyms

1. INTELSAT
   International Telecommunications Satellite Organiz
2. O&O
   On/Off
3. P/A
   Preamplifier
4. P/A
   Problem Analysis
5. P/P
   Peak-to-peak
6. P/P
   Patch Panel
7. P/P
   Printer/plotter
8. SCL
   Secondary Coolant Line
9. SCL
   Secondary Coolant Loop
10. SCL
    Specification Change Log
11. SCO
    Start Checkout
12. SCO
    Stiper Critical Oxygen
13. SCO
    Subcarrier Oscillator
14. SCO
    Switch Closure Out
15. T/R
    Technical Report
16. T/R
    Transformer Rectifier
17. T/R
    Thrust Reverser
18. T/R
    Transportation Request
19. T/R
    Tape Recorder
20. T/R
    Turnaround Requiremlnts

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