Navigation I

Nav 1_1:Maps, Scale and

Distance

Learning Intention:

To familiarise you with the main features of an Ordnance Survey map.

Success Criteria:By the end of this session everyone should be able to:• Explain the purpose of a map;• Describe the basic layout and features of an Ordnance Survey map;• Show which way is North on an OS Map;• Calculate distances on a 1:50 000 OS map.Some of you may be able to:• Describe the difference between True North, Grid North and Magnetic North.

Activities:1. Brainstorm: What is a map? 2. Introduction to the 1:50k Landranger3. Scale & Calculating Distances

Nav 1_2:OS Map Symbols

Learning Intention:

To familiarise you with the main OS map symbols relevant to mountain navigation.

Success Criteria:By the end of this session everyone should be able to:• Locate and use the key panel on an OS map;• Identify 12-24 OS map symbols relevant to mountain navigation.Some of you may be able to:• Identify 25+ OS map symbols relevant to mountain navigation.

Activities:1. Presentation. What are map symbols

for? 2. Symbol Recognition3. Feedback & Key Points

Nav 1_3:Grid References

Learning Intention:

To enable you to use 6-figure grid references to locate and give the location of features on an OS map.

Success Criteria:By the end of this session everyone should be able to:• Locate a point on an OS map using a 6-figure grip reference;• Give the location of a point on an OS map using a 6-figure grid reference. Some of you may be able to:• Explain the OS National Grid system and find the 2-letter code for a map section.

Activities:1. Presentation: Grid References.2. Group task, Handbook p. 213. Feedback & Key Points

Nav 1_4:Contours

Learning Intention:

To enable you to understand and interpret contour lines on an OS map.

Success Criteria:By the end of this session everyone should be able to:• Identify and state the purpose of contour lines on an OS map;• Use contour lines to calculate the height of any given point. Some of you may be able to:• Interpret the profile of a contoured feature and identify common geographical features from their contours/profiles.

Activities:1. Presentation/Discussion: Hills of

Braemar2. Calculating Heights3. Contour Interpretation

Nav 1_5:Basic Compass

Skills

Learning Intention:

To enable you to use a Silva Mk 4 compass to aid map navigation.

Success Criteria:By the end of this session everyone should be able to:• Describe the key features of a Silva Mk. 4 compass;• Use a compass to set a map to Magnetic North. Some of you may be able to:• Describe common problems when using a compass.

Activities:1. IMPORTANT REMINDER2. Presentation: Key Features of the Silva

Mk. 4 Compass3. Practical: Which way is North?4. Practical: Setting a map

Nav 1_6:Assessment

Learning Intention:

To enable you to demonstrate your competence in basic map & compass skills.

Success Criteria:By the end of this session everyone MUST be able to:• Use a compass to set a map to Magnetic North;• Locate a point on an OS map using a 6-figure grid reference;• Give the location of a point on an OS map using a 6-figure grid reference;• Use your understanding of maps, symbols and contours to describe a route between two points on an OS map.

Activities:1.Instructions2.Individual Task 3.Group Task