Wednesday 17 October 2018

How does DTH work?

OK dear friend you'll find this interesting ...
Satellites are about 36,686 kms above earth's sea level at Geo- Synchronized (which follows the axial rotation of earth) orbit 
Now, as earth complete s its one rotation in 24 hours simultaneously the satellite also moves with it and complete its revolution around earth in 24 hours as well ,being dedicated telebroadcasting ones they can now transmit the signal and which is received by dish antenna kept on our terrace making it a DTH Direct to Home.

For simplicity imagine the phenomenon of Sunflower following the movement of Sun . In our case earth's motion is followed by the satellites.

I hope this brings some clarity to you.

Image http://www.radio-electronics.com/

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