(49g 50g) Theoretical Earth gravity g = g(latitude, height), WGS84, GRS80/67
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09-24-2021, 12:02 AM
Post: #4
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RE: HP49-50G : —>g gravity calculation = g(latitude, height) with WGS84
Just added the degrees calculation mode (below in bold) :
\<< "https://en.m.wikipedia.org/wiki/Theoretical_gravity Version 1.b 2 Arg . lat [in D.mmss] . alt [in m] " DROP "alt [m]" \->TAG SWAP "lat [D.mmss]" \->TAG SWAP DUP2 RCLF \-> lat alt f \<< DEG lat HMS\-> 'lat' STO DEG '9.780327*(1+.0053024*SIN(lat)^2-.0000058*SIN(lat*2)^2)-.000003086*alt' \->NUM "Int.grav 1967" \->TAG '9.7803253359*((1+1.9318526464E-3*SIN(lat)^2)/\v/(1-6.69437999014E-3*SIN(lat)^2))-(1-.00139*SIN(lat)^2)*.0000030877*alt+7.2E-13*alt^2' \->NUM "WGS 84" \->TAG f STOF \>> \>> Regards, Gil |
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