Must Know コンパスの使い方 References

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Introduction

In this day and age, technology has taken over almost every aspect of our lives. However, there are still some traditional tools that remain essential. One such tool is a compass. Whether you're a hiker, camper, or an adventurer, a compass is an invaluable tool that can help you navigate through unfamiliar terrain. In this article, we'll discuss the basics of using a compass in 2023.

What is a Compass?

A compass is a simple device that consists of a magnetized needle that aligns itself with the Earth's magnetic field. The needle is mounted on a pivot, allowing it to move freely. The compass is used to determine direction and is a crucial tool for navigation.

Parts of a Compass

The basic parts of a compass include the magnetic needle, the compass housing or the base, the direction of travel, and the orienting arrow. The base holds the magnetic needle, while the direction of travel is used to determine the direction you want to go. The orienting arrow helps you align the compass with the map.

How to Use a Compass

To use a compass, you need to hold it level and make sure that the magnetic needle is aligned with the orienting arrow. Once you've done that, you can turn the compass housing until the north end of the magnetic needle is aligned with the north end of the compass housing. This will give you your bearings, and you can use the direction of travel to determine the direction you want to go.

Using a Compass with a Map

When using a compass with a map, you need to align the orienting arrow of the compass with the north-south grid lines on the map. Once you've done that, you can turn the map and compass together until the magnetic needle is aligned with the orienting arrow. This will give you the direction you need to travel.

Declination

Declination is the difference between true north and magnetic north. It's important to account for declination when using a compass, as failure to do so can result in errors in navigation. You can find the declination value for your area on topographic maps or through online resources.

Tips for Using a Compass

Here are some tips to keep in mind when using a compass: - Make sure the compass is level and the needle is aligned with the orienting arrow. - Account for declination when using a compass. - Keep your compass away from any sources of interference, such as metal objects or electronic devices. - Practice using your compass before going on a hike or camping trip.

Conclusion

A compass is a simple yet powerful tool that can help you navigate through unfamiliar terrain. By following the basic principles of using a compass and keeping a few tips in mind, you can become an expert navigator in no time. So go ahead, grab your compass, and start exploring!