Land Navigation Flashcards

SAMC Chapter 4

1
Q

What must be done before you can plot an azimuth on a map?

A

You must orient the map using a compass to ensure it is aligned correctly with the ground features.

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2
Q

What is the fastest and most accurate way to orient the map?

A

The fastest and most accurate way is to use the terrain association method, which involves matching map features to those visible in the landscape.

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3
Q

Give two rules to always use when using a compass.

A

Always hold the compass level to ensure accurate readings.
Avoid proximity to metal objects or electrical sources, which can affect the compass reading.

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4
Q

Can the lensatic compass be used at night?

A

Yes, the lensatic compass can be used at night, utilizing the luminous sighting slots for navigation.

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5
Q

Where does the arrow on a compass always point?

A

The arrow on a compass always points to magnetic north.

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6
Q

How many sights does a compass have?

A

the front sight and the rear sight.

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7
Q

How many degrees are there in a circle?

A

There are 360 degrees in a circle.

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8
Q

What kind of dial does a compass have?

A

floating dial

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9
Q

What is meant by the UTM grid system?

A

The UTM (Universal Transverse Mercator) grid system. A systematic way to identify locations on a map

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10
Q

What is elevation?

A

Elevation refers to the height above sea level of a specific point on the Earth’s surface.

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11
Q

What is a topographic map?

A

A topographic map represents the terrain of an area, showing physical features such as elevation, landforms, and vegetation.

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12
Q

Define relief?

A

Relief is the variation in elevation and slope in a specific area, representing the landscape’s ups and downs.

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13
Q

What are military symbols?

A

Military symbols are standardized graphical representations used on maps to convey information about units, equipment, and operations.

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14
Q

What is meant by declination?

A

Declination is the angular difference between magnetic north and true north, which can affect navigation accuracy.

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15
Q

What is vertical distance?

A

Vertical distance refers to the height difference between two points on the ground, typically measured in feet or meters.

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16
Q

If a map is to be effective, what information is to be consulted?

A

map legend, scale, and declination diagram

17
Q

Where is the legend found on a map?

A

lower margin of the map

18
Q

How is a lensatic compass held?

A

A lensatic compass should be held with the cover forming a straight edge with the base and the rear sight extended.

19
Q

What is the outside border called?

A

The outside border of a map is called the neatline.

20
Q

At an easterly GM angle, how do you convert from magnetic to grid?

A

subtract the GM angle from the magnetic azimuth.

21
Q

What is the fastest way to orient you?

A

Using the Centerhold Technique

22
Q

What are the three norths?

A

true north, magnetic north, and grid north

23
Q

If you are traveling on an azimuth of 90 degrees, what direction are you traveling?

A

east

24
Q

What is your pace count? When did you last verify it?

A

number of steps taken to cover a specific distance (usually 100 meters).

25
Q
A