Are Lynch's Horizon Calculations correct?

Laser

Member
In a thread about calculating altitude from earth curvature pictures, a post on the ARocket mailing list says "The method for determining altitude from earth limb imagery is detailed in the 75th anniversary issue of the RRS News currently available for a $10 donation at rrs.org." I haven't seen it, but it could be useful info for someone wanting to calculate curvature.
 
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