' ^ ' ' - ' • • • •
ne3l, 1971
HE BATTALION
Wednesday, June 30, 1971
College Ctation, Texas
Page 5
LSE
\pollo 15 will allow viewers to ‘explore’ with spacemen
Television audiences will ex-
ilore the Moon along with the
Ipollo 15 astronauts, thanks to
new portable color TV camera
md a complex communications
lookup between the Earth and
he Moon.
The setup will permit viewers
;o witness, for the first time, the
ilastoff of the lunar module from
the Moon to join the command
nodule for the return flight to
Earth Aug. 2, after a stay of
almost 67 hours.
For another first, the arrange
ment will allow the National
Aeronautics and Space Adminis
tration ground controllers to ma
nipulate the camera by remote
control from the Mission Control
Center back in Houston.
The communications links, in
volving numerous channels on
several wavelengths, will hook
together two individual astro
nauts, a roving vehicle on the
Moon, the lunar module station
ary at its landing point, the com
mand service module and three
major Earth stations of NASA’s
Manned Space Flight Network.
At the same time the network
will be working a scientific sub
satellite flying above the Moon.
In addition to TV and voice,
the hookups must provide circuits
for command of television and
other electronics, biomedical data
and life support systems, giving
continuous coverage for many
hours during lunar surface oper
ations. The network will also
provide normal tracking and data
collection functions of all ve
hicles.
The chief advantage of this
system is to free Apollo 15 Com
mander David R. Scott and Lu
nar Module Pilot James B. Irwin
for extensive operations and sci
entific work as they explore the
Moon’s Hadley-Apennine region.
NASA engineers say they expect
clearer, sharper TV pictures than
on previous Apollo flights.
While the astronauts are trav-
Beverly Braley Tours, Travel
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MSC University Campus 846-3773
Downtown 312 E. 25th. 823-0961
TMA summer cruise ‘going well
5>
Texas Maritime Academy offi
cials report the summer cruise
of the “Texas Clipper” is marked
by good weather and high mo
rale.
Coast Guard Adm. James D.
Craik (ret.), TMA superintendent,
has contacted the ship twice this
week via ham radio.
He said Thursday the 15,000-
ton vessel is sailing along at 16
knots, is approximately one-third
of the way across the Atlantic
and on schedule for its docking
yesterday at Rotterdam, first of
four European ports on this
year’s itinerary.
While weather is ideal, Craik
said the ship encountered a small
storm on its first night at sea
after leaving Mayport, Fla.,
where the students received fire
fighting instruction.
The ship is carrying 70 TMA
cadets and 89 spring high school
graduates enrolled in Texas
A&M’s “Summer School at Sea.”
Capt. Alfred Philbrick, TMA
executive officer and the Clip
per’s commanding officer, had
high praise for the “Summer
School at Sea” participants.
“This is one of the finest
groups of ‘prep cadets’ we’ve ever
had,” Philbrick told the admiral
via radio. He said the students
are doing well in their studies
and moral is high.
The regular TMA cadets are
operating the ship under the su
pervision of the academy’s li
censed officers.
Other ports of call include Co
penhagen, Denmark; Cork, Ire
land; Cadiz, Spain; Las Palmas,
Canary Islands, and Charlotte
Amalie, St. Thomas, Virgin Is
lands.
The 13,602-mile cruise origi
nated in Galveston June 7 and
terminates there Aug. 15.
8
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eling in the lunar rover the cam
era will be turned off, but when
they stop technicians at MSC-
Houston will turn it on and
adjust for tilting, panning, focus,
power and zoom to obtain best
results on the ground. (The
camera has automati light ad
justments.) This capability was
not possible when the astronauts
alone could operate the camera.
The camera can be mounted in
a fixed position or handheld for
best viewing results.
The astronauts will leave the
TV camera on the rover when
they discard the vehicle and take
off for Earth. Positioned sev
eral hundred feet away from the
lunar module, it will be com
manded on to cover the liftoff.
The camera will operate on the
rover’s remaining battery power.
After lunar liftoff, the rover
TV camera will continue to be
operated, with the remaining
power supply. Plans call for at
least one daily use of the camera
for the first week after the as
tronauts’ departure.
One event to be viewed is an
eclipse of the Sun by the Earth,
on the morning of Aug. 6, just
prior to astronaut splashdown in
the Pacific.
On previous Apollo missions,
the lunar TV cameras drew their
power from the lunar module
and returned signals to Earth via
the lunar module’s radio system.
The camera was connected by
wire to the lunar module and
consequently could not be moved
more than 100 feet from the
landing spot.
As in previous missions, the
TV signal will come to Earth
through the prime MSFN sta
tions at Goldstone, Calif.; Ma
drid; and Canberra, Australia.
Each station provides coverage
of the Moon by use of two 85-
foot (26-meter) parabolic an
tennas. For best TV coverage,
the flight will use a 210-foot
(64-meter) tracking antenna of
NASA’s Deep Space Network at
Goldstone, and a radioastronomy
antenna of the same size at
Parkes, Australia.
The normal tracking and data
collection phases of the flight
will be carried out by the Net
work. In addition, the Network
will track a scientific sub-satel
lite to be launched from the com
mand module into lunar orbit.
FoT the special television cov
erage NASA has provided a com
plex hookup connecting the astro
nauts and the TV camera direct
ly to Earth. Because of the
rough terrain in the Hadley-
Apennipe region of the Moon,
communication from the lunar
rover cannot be transmitted via
the lunar module, even though it
is only a few miles away.
Communication from the as
tronauts will always be routed
via the rover or the lunar module.
The command module, piloted by
Alfred M. Worden, will have the
normal hookup as in previous
missions.
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