FM 3-19.4 - Army Electronic Publications & Forms - U.S. Army

FM 3-19.4
Table J-1. Explanation of Line Items in NBC Report (Continued)
Line Nuclear
T H+1 DTG DTG of the latest
contamination
survey of the area
U 1,000-cGyph
contour line
V 300-cGyph
contour line
W 100-cGyph
contour line
X 20-cGyph
contour line (30
cGyph contour
line is used by
other NATO
forces)
Y Direction of the
left and right
radical lines
Chemical and
Biological
NBC 5 and NBC 6
reports only.
NA Plot in red.
NA Plot in green.
NA Plot in blue.
Area of actual
contamination
Downwind direction
of the hazard and
thewindspeed
Remarks
Nuclear: Plot in black.
Chemical: Plot in yellow.
Nuclear: Direction
measured clockwise
from grid north (GN) to
the left and then right
radial lines (degrees or
mils, state which), four
digits each.
Chemical: Direction is
four digits (degrees or
mils) and the wind
speed is three digits
(kilometers per hour).
Nuclear, Biological, Chemical Defense J-9