1977
April 13, 1977
radiosondes
(continued from Page 1)
Each balloon had a note
attached saying, ‘‘Hello!
My name is ..... I am in
room #.... at Riverview
School, Rt. 1, Marietta.
Please write to me if you
find this balloon.” Within
two days the students were
recieving replies from
people in Lancaster and
Bird-in-Hand.
Grown-up weather scien-
tists regularly use balloons
to study the atmosphere.
Theirs tend to be sophisti-
cated, with radio telemetry
devices and homing signals
attached to the gas-filled
orbs, rather then notes on
paper. Balloons are used to
measure atmospheric con-
ditions and track air
movements. The Riverview
class, for example, found
that the balloons drifted
east along with the wind
that day.
Riverview kids watch their weather balloons head skyward.
...more on weather balloons and
A balloon carrying radio-
reporting equipment is cal-
led a ‘‘radiosonde.”’ In
1955 a radiosonde reached
a height of 23 miles before
it burst (Balloons burst
because the low pressure at
high altitude lets the bal-
loon expand to the break-
ing point).
Non-radio equipped bal-
loons, like those of the
Riverview students, are
called ‘‘pilot’’ balloons.
Forest Fire Crews train
The Elizabethtown—
Mount Joy Forest Fire
Crew and the Wrightsville
Forest Fire Crew conducted
a combined training session
this past weekend. The
training session was held at
the Greentree Station of
the Elizabethtown—Mount
Joy crew.
Training consisted of
films covering fire weather
and tools and equipment
used in establishing a fire
line; lectures on safety, use
of hand tools, and fire
characteristics; and a de-
monstration of proper and
improper procedures used
in responding to and fight-
ing a wildfire.
Parents without Partners
Maytown Parents and
Teachers in Partnership
will hold a meetin on
Tuesday, April 19th at 7:30
p.m., in the Maytown
cafeteria.
The main topic that will
be discussed is the Spring
Festival. Babysitting will
be provided by volunteer
mothers. Have your child
bring a favorite toy with
him.
Come and give us your
ideas.
Maytown Ambulance message
To the Residents of East
Donegal Township:
The Maytown Ambulance
Association has recently
completed our 1977 fund
drive. For those we missed
we are Sorry.
In order to join our
association, please fill out
the form below and mail it
to Maytown Ambulance 3
Association, Maytown, PA
17550, c/o Larry Warfel.
Qur dues are $5.00 for
family or $3.00 for individ-
uals.
Deadline for joining is
May 1, 1977.
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PHONE: 426-1805 Daily & Sunday