Line of Position - Revision history

Moleski: /* Related material */

2015-03-05T19:28:24Z

Related material

← Older revision		Revision as of 19:28, 5 March 2015
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	* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.		* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.
	* [http://tighar.org/Projects/Earhart/Archives/Forum/FAQs/navigation.html FAQS: "What is the significance of Earhart's statement, 'We are on the line 157/337'?"		* [http://tighar.org/Projects/Earhart/Archives/Forum/FAQs/navigation.html FAQS: "What is the significance of Earhart's statement, 'We are on the line 157/337'?"]
	* [http://www.tighar.org/Projects/Earhart/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]		* [http://www.tighar.org/Projects/Earhart/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]
	* [http://tighar.org/smf/index.php/topic,206.msg1549.html#msg1549 "Visualizing the 337-157 LOP."]		* [http://tighar.org/smf/index.php/topic,206.msg1549.html#msg1549 "Visualizing the 337-157 LOP."]

Moleski: /* Related material */

2015-03-05T19:28:12Z

Related material

← Older revision		Revision as of 19:28, 5 March 2015
Line 10:		Line 10:

	* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.		* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.
			* [http://tighar.org/Projects/Earhart/Archives/Forum/FAQs/navigation.html FAQS: "What is the significance of Earhart's statement, 'We are on the line 157/337'?"
	* [http://www.tighar.org/Projects/Earhart/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]		* [http://www.tighar.org/Projects/Earhart/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]
	* [http://tighar.org/smf/index.php/topic,206.msg1549.html#msg1549 "Visualizing the 337-157 LOP."]		* [http://tighar.org/smf/index.php/topic,206.msg1549.html#msg1549 "Visualizing the 337-157 LOP."]

Rickerjones: Add link to Air Navigation

2011-03-07T17:33:45Z

Add link to Air Navigation

← Older revision		Revision as of 17:33, 7 March 2011
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	* [http://www.math.ubc.ca/~cass/courses/m308-02b/projects/jackson/Page3.html Lines of Positions.]		* [http://www.math.ubc.ca/~cass/courses/m308-02b/projects/jackson/Page3.html Lines of Positions.]
	* ''Line of Position Navigation: Sumner and Saint-Hilaire: The Two Pillars of Modern Celestial Navigation,'' by Peter Ifland. Bloomington, Indiana: Unlimited Publishing LLC, 2003.		* ''Line of Position Navigation: Sumner and Saint-Hilaire: The Two Pillars of Modern Celestial Navigation,'' by Peter Ifland. Bloomington, Indiana: Unlimited Publishing LLC, 2003.
			* [[Air Navigation: State of the Art in 1937]]

	<!-- Please leave this category marker at the bottom. You may add this article to other categories if you wish -->		<!-- Please leave this category marker at the bottom. You may add this article to other categories if you wish -->
	[[Category:Navigation]]		[[Category:Navigation]]

Moleski at 23:18, 9 January 2011

2011-01-09T23:18:10Z

← Older revision		Revision as of 23:18, 9 January 2011
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	* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.		* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.
	* [http://www.tighar.org/Projects/Earhart/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]		* [http://www.tighar.org/Projects/Earhart/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]
			* [http://tighar.org/smf/index.php/topic,206.msg1549.html#msg1549 "Visualizing the 337-157 LOP."]
	* [[Celestial navigation]].		* [[Celestial navigation]].
	* [http://www.sailingissues.com/navcourse4.html Plotting and Piloting.]		* [http://www.sailingissues.com/navcourse4.html Plotting and Piloting.]

Moleski: /* Related material */

2010-09-07T22:58:58Z

Related material

← Older revision		Revision as of 22:58, 7 September 2010
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	* [[Celestial navigation]].		* [[Celestial navigation]].
	* [http://www.sailingissues.com/navcourse4.html Plotting and Piloting.]		* [http://www.sailingissues.com/navcourse4.html Plotting and Piloting.]
	* [http://www.math.ubc.ca/~cass/courses/m308-02b/projects/jackson/Page3.html ~~Line~~ of Positions.]		* [http://www.math.ubc.ca/~cass/courses/m308-02b/projects/jackson/Page3.html Lines of Positions.]
	* ''Line of Position Navigation: Sumner and Saint-Hilaire: The Two Pillars of Modern Celestial Navigation,'' by Peter Ifland. Bloomington, Indiana: Unlimited Publishing LLC, 2003.		* ''Line of Position Navigation: Sumner and Saint-Hilaire: The Two Pillars of Modern Celestial Navigation,'' by Peter Ifland. Bloomington, Indiana: Unlimited Publishing LLC, 2003.

	<!-- Please leave this category marker at the bottom. You may add this article to other categories if you wish -->		<!-- Please leave this category marker at the bottom. You may add this article to other categories if you wish -->
	[[Category:Navigation]]		[[Category:Navigation]]

Moleski: /* Related material */

2010-06-30T16:29:16Z

Related material

← Older revision		Revision as of 16:29, 30 June 2010
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	* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.		* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.
	* [http://www.tighar.org/Projects/Earhart/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]		* [http://www.tighar.org/Projects/Earhart/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]
	* [~~http://en.wikipedia.org/wiki/Celestial_navigation~~ Celestial navigation.]		* [[Celestial navigation]].
	* [http://www.sailingissues.com/navcourse4.html Plotting and Piloting.]		* [http://www.sailingissues.com/navcourse4.html Plotting and Piloting.]
	* [http://www.math.ubc.ca/~cass/courses/m308-02b/projects/jackson/Page3.html Line of Positions.]		* [http://www.math.ubc.ca/~cass/courses/m308-02b/projects/jackson/Page3.html Line of Positions.]

Moleski at 16:28, 30 June 2010

2010-06-30T16:28:14Z

← Older revision		Revision as of 16:28, 30 June 2010
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	Once a line of position has been determined, an '''advanced line of position''' may be drawn on the map to aid [[dead reckoning]] from the known line to a line that passes through one's destination. The task for the navigator is then to determine when the advanced LOP is reached; if the destination is not reached at that point, the navigator must decide to turn one way or the other on the advanced LOP to reach the destination.		Once a line of position has been determined, an '''advanced line of position''' may be drawn on the map to aid [[dead reckoning]] from the known line to a line that passes through one's destination. The task for the navigator is then to determine when the advanced LOP is reached; if the destination is not reached at that point, the navigator must decide to turn one way or the other on the advanced LOP to reach the destination.

			== Related material ==

	* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.		* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.

Moleski at 15:37, 13 October 2009

2009-10-13T15:37:55Z

← Older revision		Revision as of 15:37, 13 October 2009
Line 8:		Line 8:

	* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.		* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.
	* [http://www.tighar.org/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]		* [http://www.tighar.org/Projects/Earhart/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]
	* [http://en.wikipedia.org/wiki/Celestial_navigation Celestial navigation.]		* [http://en.wikipedia.org/wiki/Celestial_navigation Celestial navigation.]
	* [http://www.sailingissues.com/navcourse4.html Plotting and Piloting.]		* [http://www.sailingissues.com/navcourse4.html Plotting and Piloting.]

Moleski at 00:27, 13 October 2009

2009-10-13T00:27:20Z

← Older revision		Revision as of 00:27, 13 October 2009
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	* [http://www.math.ubc.ca/~cass/courses/m308-02b/projects/jackson/Page3.html Line of Positions.]		* [http://www.math.ubc.ca/~cass/courses/m308-02b/projects/jackson/Page3.html Line of Positions.]
	* ''Line of Position Navigation: Sumner and Saint-Hilaire: The Two Pillars of Modern Celestial Navigation,'' by Peter Ifland. Bloomington, Indiana: Unlimited Publishing LLC, 2003.		* ''Line of Position Navigation: Sumner and Saint-Hilaire: The Two Pillars of Modern Celestial Navigation,'' by Peter Ifland. Bloomington, Indiana: Unlimited Publishing LLC, 2003.

			<!-- Please leave this category marker at the bottom. You may add this article to other categories if you wish -->
			[[Category:Navigation]]

Moleski at 19:22, 21 February 2009

2009-02-21T19:22:21Z

← Older revision		Revision as of 19:22, 21 February 2009
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	A '''Line Of Position''' or '''position line''' is derived from celestial observations.~~[http://en.wikipedia.org/wiki/Line_of_position]~~		A '''Line Of Position''' or '''position line''' may be derived from celestial observations or observation of terrestrial objects whose location is known.

	The combination of the angle of observation of a celestial body (sun, moon, planet, star) with an exact time of day allows the observer to calculate one line of position on the face of the earth that corresponds to that observation.		The combination of the angle of observation of a celestial body (sun, moon, planet, star) with an exact time of day allows the observer to calculate one line of position on the face of the earth that corresponds to that observation.

	Observations of two celestial bodies and two lines of position allow a navigator to "fix" a position, in theory. Limits of the instruments, movement between two observations, the precision of the chronometer, and the skill of the observer affect the precision of a calculated position.		Observations of two celestial bodies (or two terrestrial objects) and two lines of position allow a navigator to "fix" a position, in theory. Limits of the instruments, movement between two observations, the precision of the chronometer, and the skill of the observer affect the precision of a calculated position.

	* [["We are on the line 157 337"\|"We are on the line 157 337."]]		Once a line of position has been determined, an '''advanced line of position''' may be drawn on the map to aid [[dead reckoning]] from the known line to a line that passes through one's destination. The task for the navigator is then to determine when the advanced LOP is reached; if the destination is not reached at that point, the navigator must decide to turn one way or the other on the advanced LOP to reach the destination.

			* [["We are on the line 157 337"\|"We are on the line 157 337."]]--the last message received while NR16020 was airborne.
	* [http://www.tighar.org/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]		* [http://www.tighar.org/forum/FAQs/navigation.html How Earhart and Noonan could have derived 157/377 at dawn.]
	* [http://en.wikipedia.org/wiki/Celestial_navigation Celestial navigation.]		* [http://en.wikipedia.org/wiki/Celestial_navigation Celestial navigation.]
			* [http://www.sailingissues.com/navcourse4.html Plotting and Piloting.]
			* [http://www.math.ubc.ca/~cass/courses/m308-02b/projects/jackson/Page3.html Line of Positions.]
			* ''Line of Position Navigation: Sumner and Saint-Hilaire: The Two Pillars of Modern Celestial Navigation,'' by Peter Ifland. Bloomington, Indiana: Unlimited Publishing LLC, 2003.