Quick Answer
Integrate altimeter data by regularly checking your current altitude and comparing it to your planned route and map to ensure you're on track and adjust your navigation accordingly, especially in areas with complex terrain.
Understanding Altimeter Readings
When using an altimeter for survival planning, it’s essential to understand the device’s behavior. Most altimeters are set to a standard atmospheric pressure of 1013 millibars (mbar) at sea level. However, atmospheric pressure can vary significantly due to weather conditions, temperature, and altitude. For accurate readings, you should set your altimeter to match the current atmospheric pressure, which can be obtained from a weather forecast or an aneroid barometer.
Applying Altimeter Data to Navigation
To integrate altimeter data into your survival planning, use it in conjunction with a map and compass. Regularly check your current altitude and compare it to your planned route to ensure you’re on track. For example, if your altimeter reading indicates you’re at 2,500 feet and your map shows a summit at 2,800 feet, you can expect to climb another 300 feet to reach the top. This information helps you adjust your navigation and avoid potential hazards such as steep slopes or cliff edges.
Techniques for Altimeter Use in Complex Terrain
In areas with complex terrain, such as mountains or canyons, it’s crucial to use your altimeter in conjunction with other navigation tools, including a compass and map. To increase accuracy, take regular altitude readings and use them to plot your route on a map. For example, if you’re navigating through a narrow canyon, take an altitude reading at regular intervals to ensure you’re not descending into treacherous terrain. If you notice a significant drop in altitude, adjust your route accordingly to avoid potential hazards.
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