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Land Navigation for Ground Team Leaders. Developed as part of the National Emergency Services Curriculum Project. What are your responsibilities?. Team Leaders are responsible for knowing the ins and outs of the maps of their area Team members only know basic field work normally. - PowerPoint PPT Presentation
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1Land Navigation for GTL.ppt Last Revised: 16 July 2002
Land Navigation for Ground Team Leaders
Developed as part of the National Emergency Services Curriculum Project
2Land Navigation for GTL.ppt Last Revised: 16 July 2002
What are your responsibilities?
• Team Leaders are responsible for knowing the ins and outs of the maps of their area
• Team members only know basic field work normally
3Land Navigation for GTL.ppt Last Revised: 16 July 2002
What are maps?
• A 2 dimensional representation of a 3 dimensional area.
• A tool
• A universal reference that teams can aid teams in coordination.
4Land Navigation for GTL.ppt Last Revised: 16 July 2002
5Land Navigation for GTL.ppt Last Revised: 16 July 2002
6Land Navigation for GTL.ppt Last Revised: 16 July 2002
7Land Navigation for GTL.ppt Last Revised: 16 July 2002
Longitude
8Land Navigation for GTL.ppt Last Revised: 16 July 2002
Latitude
9Land Navigation for GTL.ppt Last Revised: 16 July 2002
Latitude and Longitude Examples
10Land Navigation for GTL.ppt Last Revised: 16 July 2002
Gridded Maps
• Read Right, then Up
• Typically metric examples, but are often used with overlays as well
• Give location with varying numerical accuracy.
11Land Navigation for GTL.ppt Last Revised: 16 July 2002
Sample Map Grid
12Land Navigation for GTL.ppt Last Revised: 16 July 2002
Four Digit Accuracy
13Land Navigation for GTL.ppt Last Revised: 16 July 2002
Six Digit Accuracy
14Land Navigation for GTL.ppt Last Revised: 16 July 2002
The CAP Grid System
54 55
8382A B
C D
15Land Navigation for GTL.ppt Last Revised: 16 July 2002
Magnetic Variation & the Declination Diagram
• Compasses are affected by iron ore deposits throughout the earth, causing them to not point at the true north, but rather then magnetic north
• This variation is known, and maps show the corrections to be made in the form of the declination diagram
16Land Navigation for GTL.ppt Last Revised: 16 July 2002
Lines of Magnetic Variation
17Land Navigation for GTL.ppt Last Revised: 16 July 2002
Declination Diagrams
18Land Navigation for GTL.ppt Last Revised: 16 July 2002
Map Scale
19Land Navigation for GTL.ppt Last Revised: 16 July 2002
Sample Map Symbols
20Land Navigation for GTL.ppt Last Revised: 16 July 2002
The 3 Dimensional Model
21Land Navigation for GTL.ppt Last Revised: 16 July 2002
Using your Map with your Compass
• Field to Map
• Map to Field
• Triangulation
• Aiming Off
• The Polar Plot
22Land Navigation for GTL.ppt Last Revised: 16 July 2002
Field to Map
23Land Navigation for GTL.ppt Last Revised: 16 July 2002
Field to Map Continued
24Land Navigation for GTL.ppt Last Revised: 16 July 2002
Field to Map Continued
25Land Navigation for GTL.ppt Last Revised: 16 July 2002
Map to Field
26Land Navigation for GTL.ppt Last Revised: 16 July 2002
Map to Field Continued
27Land Navigation for GTL.ppt Last Revised: 16 July 2002
Triangulation
28Land Navigation for GTL.ppt Last Revised: 16 July 2002
Triangulation Continued
29Land Navigation for GTL.ppt Last Revised: 16 July 2002
Triangulation Continued
30Land Navigation for GTL.ppt Last Revised: 16 July 2002
Triangulation Continued
31Land Navigation for GTL.ppt Last Revised: 16 July 2002
Aiming Off
32Land Navigation for GTL.ppt Last Revised: 16 July 2002
Polar Plot
33Land Navigation for GTL.ppt Last Revised: 16 July 2002
Land Navigation Tasks for Ground Team Leaders
• O-0204 Locate A Point On A Map Using Latitude And Longitude
• O-0205 Locate A Point On A Map Using The CAP Grid System
• O-0206 Locate A Point On A Map Using A Grid Coordinate Overlay
• O-0207 Locate A Point On A Map Using A Polar Plot From A Terrain Feature
34Land Navigation for GTL.ppt Last Revised: 16 July 2002
Land Navigation Tasks for Ground Team Leaders
• O-0208 Identify The Major Terrain Features On A Map
• O-0209 Identify Topographic Symbols On A Map
• O-0210 Determine Elevation On Map• O-0211 Measure Distance On A Map• O-0212 Convert Between Map And
Compass Azimuths
35Land Navigation for GTL.ppt Last Revised: 16 July 2002
Land Navigation Tasks for Ground Team Leaders
• O-0213 Determine And Plot An Azimuth On A Map
• O-0214 Determine Azimuths On A Map Using Two Points
• O-0215 Orient A Map To The Ground Using Terrain Association
• O-0216 Orient A Map To North Using A Compass
36Land Navigation for GTL.ppt Last Revised: 16 July 2002
Land Navigation Tasks for Ground Team Leaders
• O-0217 Locate Own Position On A Map Using Terrain Association
• O-0218 Move To A Point Using Linear Offset
• O-0219 Move From Point To Point In A Vehicle Using A Map