TM 75053
AN/TMQ4
Figure 16. Components Meteorological Station AN/TMQ4.
In. of mercury _ _ _ _ _ _ _ _ 2231.5 (ML102B,
1. NOMENCLATURE: Meteorological Station, Manual
E, F).
AN/TMQ4.
Millibar range _ _ _ _ _ _ _ _ 7451,085 (ML102B,
2. TYPE CLASSIFICATION: Standard A.
E, F) ; 7451,065
3. SECURITY REQUIREMENTS: Unclassified.
(ML102D, G).
4. PRIMARY USE OR CONCEPT OF EMPLOYMENT:
Graduation intervals:
Transportable manual meteorological equipment set used
In. scale _ _ _ _ _ _ 0.02 from 22 to 31,
primarily by field artillery units.
numbered each 0.1 in.
(ML102B, E, F).
5. BRIEF FUNCTIONAL DESCRIPTION: Meteorological
Millibar scale _ _ _ _ _ _ 1 mb numbered each 5
Station, Manual AN/TMQ4 is a transportable meteoro-
mb (ML102B, E,
logical equipment set for use by field artillery units when
F); 0.5 mb num-
taking visual, electronic and radar observations of the at-
bered each 10 mb
mosphere and when performing sound ranging techniques.
(ML102D, G) .
The AN/TMQ4 includes equipment for taking surface
observations of temperature, relative humidity, dewpoint,
Reading position _ _ _ _ _ _ _ _ Vertical (models B, E,
atmospheric pressure and wind direction and velocity.
and F); Horizontal
This set also includes equipment for taking pilot balloon
(models D and G).
observations to determine ballistic winds. The information
Battery Pack BA259/AM:
obtained by these observations can be used to make cor-
Voltage _ _ _ _ _ _ _ _ _ _ 1.5 and 6V A-SUPPIY
rections for atmospheric effects on the trajectory of ar-
115v B-supply.
tillery projectiles and to locate positions of enemy fire.
Operating life _ _ _ _ _ _ _ 2-3 hr.
6. TECHNICAL CHARACTERISTICS:
Type _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Water activated.
Anemometer ML433A/PM:
Calcium Hydride Charge ML304A/TM and ML305A/
Velometer _ _ _ _ _ _ _ 08 1.5 kn; 040 2.0
TM:
kn.
ML304A/TM _ _ _ _ _ _ _ _ Generates enough hy-
Wind vane and compass _ _ _ _ 0 360 + 11.25.
drogen to inflate a 30
Mounting _ _ _ _ _ _ _ _ Handle.
g balloon to produce
Anemometer ML497/PM:
a free life of 155 g.
Velometer _ _ _ _ _ __ _ _ _ _ 08 1.5 mph; 040
min.
2.0 mph.
ML305A/TM _ _ _ _ _ _ _ _ Generates enough hy-
Wind vane and compass _ _ _ 0360 11.25.
drogen to inflate a
Mounting _ _ _ _ _ _ _ _ Handle.
100 g balloon to pro-
Barometer ML102 ( ):
duce a free lift of
Type _ _ _ _ _ _ _ _ _ Aneroid, portable, pre-
650 g min.
cision.
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