1.) Error Probality decreases 2.) C/N Ratio Increases 3.) gain of signal increases
The official definition of an active satellite is "A satellite carrying a station intended to transmit or retransmit radio communication signals."
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In passive satellite system the ground transmitting system power at the reflector. The receiving ground system received a function of the power that has been intercepted by the reflector. In active satellite received the function of the energy band toward it by the ground transmitter system and the received power is active amplitude by active electronic means.
Sputnik 2, launched November 3, 1957. Sputnik 1 was the first man-made Earth satellite, and Sputnik 2 was the second. Sputnik 2 carried a dog, Laika, as the first astronaut. The dog died a few hours after launch. The USA did not launch its first satellite, Explorer 1, until about 3 months later, on January 31, 1958.
Some disadvantages of active satellites include the risk of collision with other space objects, vulnerability to space debris, the possibility of signal interference, and the challenge of managing and maintaining the satellite's operational life.
Non Geo stationary satellite is that satellite which has different angular velocity from earth and not placed on the height of 36000 Km from the earth. If you use Geo stationary satellite than only 3 satellites are enough to cover whole world. most of satellite are geostationary and they are(most of them) active satellites too.
What are the advantages and disadvantages of active immunisation?
If the satellite stays on Earth, it would be quite useless.
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Io is a satellite of Jupiter.
Satellite television has some advantages over cable because it is usually cheaper in cost. The activation fees are something you do not need to pay. It also offers more channels for sports and music than cable would.
Using a satellite phone has many advantages over cell phones. Cell phones require the use of a cell tower which are not available in remote areas. Satellite phones use satellites which are always available as long as you can see the sky.
In passive satellite system the ground transmitting system power at the reflector. The receiving ground system received a function of the power that has been intercepted by the reflector. In active satellite received the function of the energy band toward it by the ground transmitter system and the received power is active amplitude by active electronic means.
You can be fit and active!
The only advantage that satellite internet has over cable, is that in certain locations where cable is unavailable, usually satellite will provide television services.
Looking for an answer. The advantage is that it is reliable and it can cover a large distance.
The advantages of Active Server Pages are that they provide a powerful scripting language and it is compatible with HTML. The disadvantages of Active Server Pages are that the coding is complex and the connections are stateless.
active satellites are receives the transmitted signal from earth ,amplify the signal and transmit it. it is also called as transponders. but passive satellites just receive and transmit the signal.itac as the reflector