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Where, Oh Where, is My Compass Rose?? PowerPoint PPT Presentation


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Where, Oh Where, is My Compass Rose?? . Joe Ladwig <‘)>>>>>< Lighthouse Christian Academy Bloomington, IN  . Compass Rose Basics. Most maps and charts are oriented to North Either magnetic north, where your compass looks Or True north, where the North Pole ACTUALLY IS!

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Where, Oh Where, is My Compass Rose??

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Where oh where is my compass rose l.jpg

Where, Oh Where, is My Compass Rose??

Joe Ladwig <‘)>>>>><

Lighthouse Christian Academy

Bloomington, IN 


Compass rose basics l.jpg

Compass Rose Basics

  • Most maps and charts are oriented to North

    • Either magnetic north, where your compass looks

    • Or True north, where the North Pole ACTUALLY IS!

  • The cardinal headings spell NEWS (sort of)

    • They are 90 apart

  • Inter-Cardinal headings (NE, SE, SW & NW) split the circle into 8 sections and arebetween the cardinal headings

    • They “bisect” the cardinal angles (@ 45)


Compass rose basics3 l.jpg

Compass Rose Basics

  • The compass rose counts 0 to 360 through all of the degrees of a circle

    • N: 000

    • E: 090

    • S: 180

    • W: 270 and …

    • N: 360 (yep, again.)


Four points of compass anatomy l.jpg

N

E

W

S

Four Points of Compass Anatomy

  • The Base

    • Point the arrow (or long end) away from you for navigation

    • Provides map reading helpers (parallel lines) for map track alignment

  • Rotating Bezel

    • Provides the “Compass Bearing” readout around its face

    • Turns the Shed


Four points of compass anatomy5 l.jpg

N

E

W

S

Four Points of Compass Anatomy

  • Needle

    • North (el Norte…) is,

      “the Reddest End”

  • Lanyard

    • Attach it to you securely.

    • This TOOL is your best friend when tumbling head-over-heels down a hillside


Let s put fred in the shed l.jpg

N

E

W

S

Let’s Put FRED in the Shed!!!

  • Let’s set a course of travel…

    • Due East

  • First ROTATE the Bezel

    • East should be at the arrow end

  • Assume tracking posture

    • Compass in hand,

    • Hand against your belly,

    • Lanyard taught above waist high


Let s put fred in the shed7 l.jpg

N

E

W

S

Let’s Put FRED in the Shed!!!

  • Rotate yourself and

    • Put the reddest end of the needle in the shed

  • Holding the reddest end of the needle “FRED” in the outlined arrow “the Shed”

    • Will keep you on an Easterly track indefinitely


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Practice Setting a Track or Two

  • Set-up a Westerly (due West) track

  • Set-up a Southwesterly (225) track

  • Set-up a Northeasterly (045) track

  • Set-up a Southerly (due South) track


The orienteering target constellation l.jpg

12

03

07

10

02

01

11

09

08

05

06

04

The Orienteering Target Constellation

HELP Desk


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Orienteering Plan

  • Grab an appropriate orienteering sheet

    • Novice

    • Intermediate

  • Let’s head out to the…

    and we’ll begin.


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