Space Abbreviations and Acronyms

1. PHF
   Perfect Hash Function
2. PHK
   Personal Hygiene Kit
3. PHM
   Passive Hydrogen Maser
4. PHM
   Per Hundred Million
5. PHO
   Potentially Hazardous Objects
6. PHOS
   Potentially Hazardous Objects
7. PHOT
   Photometric Processing
8. PHOTO
   Photograph
9. PHOXA
   Photochemical Oxidant and Acid Deposition
10. PHP
    Payload Handling Paneh
11. PHP
    Planetary Horizontal Platform
12. PHR
    Payload Hazardous Report
13. PHS
    Payload Handling Station
14. PHSF
    Payload Hazardous Servicing Facility
15. PHST
    Packing, Handling, Storage & Transport Plan
16. PI
    Principal Investigator
17. PI
    Payload Interrogator
18. PI
    Program Introduction
19. PI
    Partially Impfemented
20. PIA
    Payload Interaace Agreement

Last updated: August 3, 2021 — Total entries: 12,486