How do you measure a mountain?
How do you measure a mountain?
Mount Logan's official height was established with early GPS β when surveyors had to wait for enough satellites.
A 1992 expedition measured Canada's highest mountain at 5,959 m above mean sea level during limited daily GPS windows.
Officially measured
How certain is this?
Early GPS surveying depended on limited daily satellite windows.
Sources
- Mount Logan geodetic survey history β Natural Resources Canada
Keep going
- Ball mathA regulation table-tennis ball is 40 mm in diameter and weighs 2.7 grams.
- Measurement trap42.67 mm isnβt βthe diameter of a golf ball.β
- Stack it upAbout 1,045.
- Stack it upAbout 110,000 quarters stacked flat would reach the top of the Gateway Arch.
- How many highThe Gateway Arch is about 1,309 iPhone 13s tall.
- Product scaleOne meter is about 6.8 iPhone 13s.
