SAR Fundamentals/Navigation/Map/Triangulation

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Contents

Subject

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Authors

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Brett Wuth

Scope

What is included in this lesson, what's not and why.


Objectives

At the conclusion of this lesson the participants:

  1. will be able to ...

Time Plan

Total Time: 45 minutes


Time Material


00:00

3 min

Introduce topic title

Introduce Instructor

Present Objectives

00:03



Notion of a bearing from a linear feature:

You are on the left bank of the Castle River. You spot the Carbondale Lookout Tower at a bearing of ... degrees True North. Where are you? Examples are listed in Samples in aids section.

  • discuss left vs right bank



Notion of a bearing from a straight line feature:

You are on the cutline from UTM ... to UTM ... . You spot the Carbondale Lookout Tower at a bearing of ... degrees True North. Where are you? Examples are listed in Samples in aids section.



Notion of two bearings:

You see the top of the hill at UTM ... at a bearing of ... degrees True North. You also spot the Carbondale Lookout Tower at a bearing of ... degrees True North. Where are you? Examples are listed in Samples in aids section.



  • discuss which examples were easier, more accurate.

Best points to triangulate are 90 degrees apart.

  • draw intersections of error arcs.



Aids

What materials are needed or useful in presenting this lesson.


  • 82G/8 for each pair of students
  • plenty of table space
  • overhead projector
  • screen
  • slides of topo maps
  • a compass for each pair of students
  • pencil for each student
  • map quality eraser for each pair
  • /Samples

Frequently Asked Questions

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Feedback

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License

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Copyright © 2012, Brett Wuth. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 Canada License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/2.5/ca/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.

Reference Material

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[1]

Notes

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