Satellite Education and Distance
Learning
There is a new way for an instructor to teach either an
individual or for that matter a class of students at a remote
location. This is called e-learning and it holds great promise
for the education of those who are not able to attend
conventional classroom education. Satellite e-learning is a
great instructional media for panel discussions,
demonstrations, brainstorming, drilling, practicing, lectures
or role playing.
The kind of learning environment this promotes is known as
"synchronous," meaning two way. Also called distributed media,
this BTV/IP (Business Television/Internet Protocol) has
revolutionized the way education is conducted in some remote
places.
The way e-learning works is that it uses Internet protocol
(IP) for distribution and networking. The reason IP is so
adaptable to this task is that it can bypass the concept of the
WAN (Wide Area Network). One of the benefits of this
arrangement is that remote students can attend the class by
means of audio teleconferencing utilizing keypad and audio
technology.
The really great advantage of satellite e-learning is that
all the students in the class can participate with the class
and the instructor. What’s different? Just the fact that all
the participants are at different locations. The instructor can
still present all the course materials via audiovisual
channels.
Satellite e-learning is revolutionizing the distance
learning community because no matter where they physically
reside, the students can have their questions answered in real
time rather than in the time it takes for a letter to go and
return.
The advent of satellite e-learning has introduced technology
that eliminates problems formally associated with bandwidth
such as slow transmission and distorted images. These were
physical limitations of the Internet.
As long as the remote locations have the ability to support
the necessary equipment, there are no limitations to the number
of students that can remotely receive multi media rich course
work using satellite propagation technology. They simply need
the proper equipment on their end.
The major stumbling block of e-learning is the
infrastructure and technology needed to support it. Currently,
it is very costly to support. It also has the requirement of
continual support, which adds to the cost. It is capital
intensive to plan and implement, and a physical location with
all the necessary equipment must be established.
Not only is the equipment needed, but a broadcast engineer
must be retained at all times to ensure the proper operation of
all the equipment. The instructors must also be trained to
deliver their lecture to a camera rather than an audience.
The remote locations that are the recipients of the
satellite broadcasts (satellite downlinks) need the proper
equipment to receive the data. Problems can arise on this end
because the signal has to transverse a LAN (Local Area Network)
prior to the student receiving it. This network must be
configured properly.
Also, there is no flexibility of scheduling with satellite
e-learning and for some, this what was attractive about
distance learning to begin with. With satellite broadcasting,
the students must be available at the same time that the
broadcast is taking place.
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