GREAT CIRCLE WORK FORM for ABHAV METHOD



	From ______________________________  To ______________________________


	               N                                       
	L1    ________ S           89  60    coL1   ________          89  60      
	               N                                       
	L2    ________ S  L1   (-)_______    z   (-)________   L2 (-)________   
						
	L1~L2 ________    coL1    _______    coL1~z ________   coL2  ________   


		       E      z (deg)    _________          coz = 90 ~ z
	Lo1   ________ W
		       E        X 60     _________                89 60
	Lo2   ________ W
		       E      z (min) (+)_________           z    ________
	DLo   ________ W
	                      D          _________ miles     coz  ________


	Enter L1 & L2 south as (-)           
	Observe L1 & L2 signs in calculating (L1~L2), coL1 & coL2.

	              E
	DLo   ________W  A _______      coL2 ________  B _______

	              N               coL1~z ________  B-_______
	L2    ________S  C+_______        
	    					      =B _______ --> A _______

	              N
	L1    ________S  C+_______       L1  ________  C _______


	                =A _______ --> B _______

	L1~L2 ________   ------------> B+________

	z     ________   <----------- =B ________    
 

	D     ________  miles            coz ________  C+_______
     
	          If DLo is W, Cn=360-C else Cn=C     =S _______ --> S-_______

	                                                    E
	                     Cn ________ <---- C N ________ W <---- A=________
							               A-S

	form abhav_gc2  rev Nov 89


				FIGURE 4