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| Subject: Re: Quiz | |
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Author: Belvedere |
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Date Posted: 23:58:17 01/27/04 Tue In reply to: Pathfinder 's message, "Quiz" on 11:48:48 01/27/04 Tue OK! a) Dead Reconing. Or so it says here. • Dead reckoning requires determination of direction and rate of travel. With a known starting location and a series of distance and direction data stored in a log and marked on a chart a mariner could safely arrive at the intended destination. • Rate of travel requires measurement of time and velocity. • To measure velocity the “log and line” was heaved over the side. http://www.shsu.edu/~geo_mrl/433notes2.html b)Lynne answered this one, it's from a book by C. A. Abbey called Before the Mast. http://www.truthorfiction.com/rumors/b/brassmonkeys.htm c)Lynne also answered this one, kinda; Magnetic declination. >What do you call the method of navigation that uses >your bearing and speed to determine your location. >Hint: Ancient Mariners used a Flosum to determine >speed for this method. > >Where did the term freeze the balls off a brass monkey >come from? > >What is the name for the difference between magnetic >north and true north? > >Answer these questions correctly, and you will gain >points for a prize. [ Next Thread | Previous Thread | Next Message | Previous Message ] |
| Subject | Author | Date |
| Re: Quiz | Pathfinder | 09:51:16 01/28/04 Wed |
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