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    Re: Silicon Sea: Leg31
    From: Millard Kirk
    Date: 1997 Jul 19, 1:58 PM

    Dan Hogan wrote:
    >
    > Sight Reduction and
    > Dead-Reckoning problem     Leg 31  071797   Test your knowledge!
    > ----------------------     ------  ------   --------------------
    
    Answers:
    
    1.)	TC = 130.8d,  Dist. = 4611 nm to 4688 nm depending on method used.
    
    2.)	EP = 13d 47.6' N, 57d 32.9' E
    
    3.)	(Antares Zn = 134.5d), (Vega Zn =53.3d), and (Regulus Zn = 274.9d)
    
    4.)	Fix = 13d 46.1' N, 59d 07.4' E
    
    	Well it looks as if the captian will be mad at me again.  Everything
    looks good on the fix........ Execept for one little thing.  The EP
    would indicate that we traveled approximately 221 nm, but the fix
    suggest we traveled 301 nm..  Maybe we had more current that what we
    thought.  The Zn for the stars looked good and the brightness and
    agreed.
    
    5.)	Compass Error = approx. 5.1d
    	Yes, total error matches the known variation and deviation
    
    6.)	(A) Not considering in current EP = 13d 24.8' N,  59d 46.7' E
    
    	(B) If we consider the the current  EP = 13d 04.5' W, 60d 24.3' E
    
    7.)	TC = 124d
    	
    	Dist. = 952.3 nm  figured from EP (A) in question #6.
    	Dist. = 910.3 nm  figured from EP (B) in question #6.
    	
    8.)	Compass Course to Steer = 185.7d  Considering Set, Drift, Var and
    Dev
    
    
    
    Learning the Hard Way!!
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     Millard Kirk KB8YQO 	Email - mkirk{at}marshall.edu
     116 Lewis Ave	     	Homepage- http://webpages.marshall.edu/~mkirk/
     Barboursville, WV      A West Virginia Blue Water Sailor
     25504                  (304) 736-6544
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
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