Curvature Analysis: Langkawi from Penang, Malaysia

General Information

  • Claimed by: David James (Facebook account)
  • Object 1:
    • Name: Gunung Raya, Langkawi
    • Distance: 68.2 miles / 109.76 km
    • Elevation: 2830 ft / 862.6 m
  • Object 2:
    • Name: Northwest Ridge of Langkawi
    • Distance: 74.5 miles / 119.9 km
    • Elevation: 2200 ft/ 670.6 m
  • Observer:
    • Location: Golden Sands Hotel, Penang, Malaysia
    • Elevation: 85 ft / 26 m

Simulation

With medium refraction (k=0.35):

(permalink)

With standard refraction (k=0.13):

(permalink)

Analysis

  • The observer used Dizzib’s calculator which does not account for atmospheric refraction.
  • Everything is consistent with the spherical Earth model.

Video