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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: query
From: Mitch B Burrill
Date: 2002 Aug 21, 14:54 -0400
From: Mitch B Burrill
Date: 2002 Aug 21, 14:54 -0400
Thanks Michael, It would be constant TC. Sorry, but I only discovered what a rhumb course was a few hours ago. I am rapidly becoming obsessed with navigation ! Mitch Mitch Burrill mburrill@leesburgva.org -----Original Message----- From: Michael Wescott [mailto:wescott_mike@EMC.COM] Sent: Wednesday, August 21, 2002 2:43 PM To: NAVIGATION-L@LISTSERV.WEBKAHUNA.COM Subject: Re: query Mitch B Burrill writes: > If I am at lat1, long1, and go XXX nm at TC YYY, What is the exact > formula from spherical trigonometry to get lat2, long2 ? I would argue that the problem is not sufficiently well specified. Is TC=YYY merely the initial course for a Great Circle trip during which the course will generally vary as the trip progresses. Or is TC to remain constant for the whole trip, i.e. a rhumb line course? Or something else altogether? -- Mike Wescott Wescott_Mike@EMC.COM