M2 Aiming Circle Flashcards

1
Q

Verbiage for laying in the mortars with the M2

A

ACO: “Section, aiming point this instrument”
G: “Aiming point identified”
G: “ Deflection - - - -“
G: “Ready for recheck”
ACO: “Deflection - - - -“
G: “ 1 mil difference”
ACO: “ refer your deflection to 2800 and lay out stakes”.

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2
Q

Distances to be kept from interfering objects

A

High tension power lines and electronic equipment: 150m

Railroad tracks, tanks and trucks: 75m

Vehicles: 50m

Barbed wire: 30m

Mortars and telegraph wire: 25m

Helmets and so forth: 10m

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3
Q

Criteria for choosing a declination station

A

The point chosen for the declination station must have a view of at least two distant, well defined points with a well known grid azimuth.

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4
Q

Use of the aiming circle

A

That aiming circle is used to measure as a math and elevation angles with respect to a preselected baseline

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5
Q

Nomenclature for the tripod

A

M24 Tripod

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6
Q

Field of view

A

10°

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7
Q

Magnification

A

x 4 power

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