What is the difference between QFE and QNH?

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Tags

1. #world
2. #hectopascals
3. #cause
4. #landing
5. #setting
6. #ground
7. #height
8. #therefore
9. #refers
10. #specific
11. #parts
12. #aerodrome
13. #altimeter
14. #given
15. #millibars
16. #described
17. #differs
18. #which
19. #above
20. #level