FM 6-40: Field Artillery Cannon Gunnery | T.REX ARMS Field Manual Vault

FM 6-40 Field Artillery Cannon Gunnery

Older edition:

FM 6-40

Field Artillery Cannon Gunnery

Army · FM · Jun 1974 · 565 pages

About

Cl, FM 6-40 I 1-9. Map and Azimuth Terms The map and azimuth terms used in the firing battery are defined in a through j below. a. Grid line. A grid line is a line extending north and south or east and west on a map, photomap, or grid sheet. A grid is composed of two intersecting sets of lines. The east-west lines are parallel to the central meridian and the northsouth lines are perpendicular to the central meridian of the grid zone in question. The parallel lines are normally 1,000 meters apart and are used to measure grid coordinates (1:50,000 maps). b. Magnetic North. Magnetic north (fig 1-1) is the direction to the magnetic North Pole. c. True North. True north (fig 1-1) is the direction to the geographic North Pole. d. Grid North. Grid north (fig 1-1) is the north direction of the vertical grid lines on a military map, photomap, or grid sheet. e. Azimuth.

DesignationFM 6-40

EditionJun 1974

StatusSuperseded

Pages565

FunctionFires

CollectionHistoric

Public domain (U.S. Government work)

Editions 13

References 34

TM 9-1300-203Not in the Vault
FM 6-141Not in the Vault
TM 9-1290-325-12Not in the Vault
TC 6-40-6Not in the Vault
TM 9-1300-206Not in the Vault
FM 6-48Not in the Vault
FM 640Not in the Vault
TM 9-1290-325Not in the Vault
FM 32-5Not in the Vault
FM 32-20Not in the Vault
TM 6-300Not in the Vault
FM 6-141-2Not in the Vault
FM 6-4ONot in the Vault