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Ako vypočítať Earth Curvature

Čo je Earth Curvature?

An Earth curvature calculator determines how far below the horizon the surface curves at a given distance. Earth's curvature is approximately 8 inches (20 cm) per mile squared: at 1 mile away, the ground is 8 inches below line of sight; at 10 miles, it is 66.7 feet below. This affects long-range visibility, laser leveling, and tower line-of-sight calculations.

Sprievodca krok za krokom

  1. 1Input viewing height above surface
  2. 2Calculate visible horizon distance
  3. 3Account for Earth's radius

Worked Examples

Vstup
35,000 feet altitude (plane)
Výsledok
~235 miles visible horizon
Approximate range

Common Mistakes to Avoid

  • Not double-checking results
  • Ignoring edge cases

Frequently Asked Questions

What does this calculator do?

Input values

How do I use this calculator?

System calculates

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