DISTANCE COMPUTING FORM, ANDOYER-LAMBERT APPROXIMATION 



(No conversion to parametric latitudes) 



Clarke Spheroid 1866 a = 6,378,206.4 meters 



f/2 = Q.001695O3765, f/4 = 0.000847518825 



1 radian = 206,264.8062 seconds 



O I M 



4c 



oo do.ooo 



/<^/^/y)//^6/s 





/7 /f 42'23 o 

 /3 oo ao.ooo 



40 /^.r^ 



sine!). . ^■^9 S3/2S 2. West of 1. AA=Aj-Ai=_ 



cos A., ^r^a^SYOr sin ,^, .^-^ r^r6/ 3i„ AA .0//7/<^3Z 



tan ^, ^e^-^d^rSI eos 0. > T^^^ ^^>4^^^ ,,, AA . f^f93/3a 



tan <?S; ' &^7^fy^«? cos d = sin 0,sin9!>2+ cos 0, cos ^^cos A^ - T^^y^^^SS 



M = cos^itan 0j-sin0i cos AA • <^//-^<$^0 "^ 

 N = cosc!),tan<A -sincA, cosAA "J" •U//7^Z3Z 



:ot A = J:L 

 sin AA 



N 



cot B = 



sin d = 



cos 01 sinAA 



^-XtlZCT-Z^I sin A 



,7//o4^ao 



in B 



cos (/)2 sin AA 

 sin A 

 K = (sin 01 - sin 02 ) ^ 

 L = (sin 01 +sin 02 y /.^7C2S2T3 



;;d=-(f/4WHK-.rj.^ - ^.f'463 X^ fO "^ 



d (radians) .0/2^2.B^ 533'Z. 



d + Sd (rad) .^/^0/^99 



;in AA 

 A_ 



'^/.oc^39CS&Z 

 /24 ^c 4C>9/C. 



4X2 K/o-^ 



7o^7o438 



B 



44 SS //^^37 



i7 ft' ^^I'^^Z 



H = (d + 3 sin d)/(l -cos H^ ^2^,7449'97 



G = (d - 3 sin d)/(l + cos A\ -.Of26Z^iO^& 



s = a (d + Sd) &c>,44>7.3Se, ^3^,,, 

 . 4S.^8? 



Ik 



-zc^ 



2/ 33^C3Z 



2B 



T = d/sin d , 



o 



39 



A t^^OOO 35 ^7C:> 



-4^ 22I994 



2A, 



'.e^9S37^9 



\-i 



in 2B. 



. ^i^^^^S/6 



u = (f/2) cos^i sin 9A '?.79/see4Si^/o '\ = (f/2) cos ^02 sin .^■ ^9.<?^^a//// X /O 



-'f 



§A = VT - II V , <X3/9r444<^6 



+ 5A_V^ <^ 47.2S9 



;;r.-tit.v -^.007^74^46^7" 



+SB 



47.z^-z^ 



-K^Ll3±_ 



4o 4C . ^^<^ 



-»^-5^ 



^^ 



//. /J^r 



+ 180 



-^^- 



2^ OO 



".44s 



+ 180 o 



Z24 



S9 ^e- 7S9 



^AB 



180°- A + SA 



^BA 



= 180° + B + SB 



Line No. 1 (See Tables 1,2 - pages 65,66) 



112 



