Calculate rhumb line (constant bearing) course and distance between two positions
Input Parameters
Results
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Rhumb Line Distance
nm
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Constant Bearing
degrees
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GC vs RL Difference
nm
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Δ Latitude
degrees
Reference
Rhumb Line follows constant bearing (loxodrome)
Bearing = atan2(Δlon, Δψ) where Δψ = ln(tan(π/4+lat2/2)/tan(π/4+lat1/2))
Always longer than great circle except on meridian or equator