AY Honors/Map and Compass/Requirements
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Section One - The Map
- 1.1 Know the following:
- a. What is a topographical map?
- b. What is found on a topographical map?
- c. Give three uses of a topographical map.
- 1.2 What is an orthophoto map?
- 1.3 Be able to recognize twenty signs and symbols found on a topographical map, giving some in each of the following categories:
- a. Man made
- b. Water feature
- c. Vegetation feature
- 1.4 Know and explain the following as they relate to elevation:
- a. Elevation.
- b. Contour interval.
- c. Ground formations (Valey, Ridge, Spur, Bluff or Cliff, Saddle, Sholder, Escarpment, Knoll, Brow) defined by their contour lines
- 1.5.Know and explain the following as they relate to distance:
- a. How is distance defined
- b. The map scale
- c. How to measure linear distance
- d. How to estimate land distance
- 1.6. Know and explain the following as they relate to a map grid system:
- a. What is the grid system?
- b. What is a six figure grid reference?
- c. Rules for reading grid references.
- 1.7. Know and explain the following in relation to map reading:
- a. Grid North
- b. True North
- c. Magnetic North
- d. Declination
- e. Grid Magnetic Angle (G-MA or GMA)
Section Two - The Compass
- 2.1. What are the eight major points of the compass and their bearings?
- 2.2. Identify the type of compass most popular with bushwalkers.
- 2.3. Know the parts of an orienteering compass.
- 2.4. Know and explain the following as they relate to Grid Bearings and Magnetic Bearings:
- a. What are Bearings?
- b. How to calculate Grid Bearings from the map
- c. How to convert a Grid Bearing to a Magnetic Bearing
- d. How to convert a Magnetic Bearing to a Grid Bearing
- e. How to take and march on a Magnetic Bearing
- f. What is Slipping and how to correct for it?
- g. How to take a back bearing
- 2.5. Know and explain the following in relation to Resection:
- a. What is resection?
- b. The two-bearing method of Resection.
- c. The three-bearing method of Resection.
- 2.6. Know and explain how to Orient your map by:
- a. <inspection and
- b. by compass.
Section Three – Direction without the aid of a Compass
- 3.1 Demonstrate how to find directions without a compass using the Southern Cross (ie. Crux) method
- a. Watch.
- b. Southern Cross.
- c. Orion
- d. Shadow Stick.
Section Four – Practical
- 4.1. Demonstrate how to:
- a. Read six figure Grid Refences. Refer to Requirement 1.6c.
- b. Calculate a Grid Bearing from the map. Refer to Requirement 2.4b.
- c. Convert Grid Bearing to a Magnetic Bearing. Refer to Requirement 2.4c.
- d. Take a Magnetic Bearing. Refer to Requirement 2.4c
- e. Locate a position using Resection. Refer to Requirement 2.5
- 4.2. Navigate to a target feature using a Magnetic Bearing. Refer Requirement 2.4c
- 4.3. Prove your ability in the use of a map and compass by following a cross-country course with at least ten given readings or control points.