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29th Dec 2014, 01:20

Join Date: Nov 2013
Location: Antwerp
Age: 22
Posts: 6

So I can't figure out few Q's about variation and deviation.
I need to know this by tommorow.

CH is 120°. Deviation is +4°. Variation is 5° W. Wind correction angle is 8° Right. TT is: (choose below)
111°
127°
113°
129°

CH is 224°. Deviation is -3°. Variation is 4° W. TH is:
217°
223°
225°
231°

CH is 317°. Deviation is +3°. Variation is 5° W. Wind correction angle is 10° right. TT is:
309°
305°
329°
325°

CH is 098°. Deviation is +2°. Variation is -8° and drift is 5° Left. TT is:
087°
093°
097°
109°

So what is the rule?
It might be easy for you guys but I'm stuck with these.

I still hav few questions left but I need to search for it.

Thanks for helping out!

Distances
Calculate the distance AB via the shortest route. A: 160°56'E and 089°54'N, B: 019°04'W and 066°13'N.
2 points are located on the same longitude and on 34° 30' N and 26° 20' S respectively. The distance between both points is: