TM 11-5840-208-30-1
COMPUTER
GLOSSARY OF SYMBOLS
The following symbols are used throughout this manual to represent various items of data to simplify the explanation of
system functioning.
Definition
Symbol
Name
AL
Lower beam horizontal angle.
Horizontal angle at the radar from antenna
azimuth axis to lower beam intercept point.
Upper beam horizontal angle.
Horizontal angle at the radar from antenna
AU
azimuth axis to upper beam intercept point.
∆A
∆Azimuth.
AU - AL.
AZW
Weapon azimuth.
Azimuth angle from grid north to weapon
position.
AZ
Antenna azimuth.
Angle at the radar from grid north to
antenna axis (center of sector scan).
Azimuth orient information.
AZOR
C
A term used in azimuth and
The ratio of the extrapolated portion to the
range computations.
sampled portion of the trajectory.
dL/D.
D
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Datum plane projection of the distance
between the two intersections of the radar
beam with the projectile trajectory.
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Datum plane projection of the distance from
dL
the weapon position to the interception of
the lower beam with the projectile trajectory.
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Datum plane projection of the distance from
dU
the weapon position to the interception of
the upper beam with the projectile trajectory
Lower beam elevation.
Angle of elevation of lower radar beam above
EL
a horizontal datum plane.
----------------------------------------------
Radar easting.
ER
EU
Upper beam elevation
Angle of elevation of upper radar beam above
a horizontal datum plane.
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Weapon easting.
EW
HR
Radar height.
Height of radar set above sea level.
HW
Weapon height
Height of weapon above sea level.
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