TM 11-6660-218-12
Figure 1-20. Timer.
(2) 100-gram pilot balloons. The 100-gram
b. Bag. The bag is constructed of canvas and
pilot balloons are approximately 36
is approximately 35 inches long, 1 inch high, and
30 inches deep. It is used to carry the plotting
inches in diameter after inflation. The
neck of the balloons is about 17/8 inches
board, and has a canvas strap and handle (not
long and 1 inch in diameter. The 100-
shown) to facilitate handling by the met. station
gram pilot balloons include Balloons
personnel.
ML-159-A (white), ML-160-A (black),
c. Balloons (fig. 17).
and ML-161-A (red).
(1) 30-gram pilot balloons. The 30-gram pilot
(3) Sounding balloon. The sounding balloons
balloons are approximately 24 inches in
are approximately 6 feet in diameter
diameter after inflation. The neck of the
after inflation. They are not colored be-
balloons is about 2 inches long and 1 inch
cause their visibility in the sky is not
in diameter. The 30-gram pilot balloons
important. The neck of the balloons is
include Balloons ML-50-A (white), ML
about 41 inches long and 1 inch in di-
51-A (black), and ML-64-A (red).
Change 8
1-29
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