MIL-STD-1477C(MI)
TABLE II. Graphic Track Symbol Modifiers - (continued)
SYMBOL NAME SYMBOL SHAPE REMARKS
Fire Unit-Target
Pairing
Speed/Heading
Vectors*
Low-speed Track with heading vector
Medium-speed Track with heading
vector
High-speed Track with heading vector
Predicated Intercept Point
(fire unit symbol)
NN
Used in fire distribution systems to designate assignment of a target to a fire unit/weapon system.
Speed shall be indicated by up to three possible values:
high, medium, low. As a minimum, heading should be indicatd as one of sixteen directions in 22.5 degree increments. A track having zero speed will not display a vector.
One end of the vector shall start at 1/2 the distance from the symbol center and the
other end extending beyond the symbol perimeter line by the length of the vector within
the symbol.
One end of the vector shall start at 1/2 the distance from the symbol center and extend beyond the symbol perimeter line to a length equal to the total length of the low-speed vector line.
Vector extends from1/2 the distance from the symbol center and extends to a length outside the symbol perimeter the lengthe of the external low and medium vectors.
Used only with missile/target pairing lines which are solid. Numerics give time to intercept in seconds.
Cover
cv
*These vectors apply to all Table I symbols.
Indicates that a cover command is imposed on the track by
either automatic or operator action. Modifier size shall
be the same as for the To-Be- Engaged Track modifier.
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