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doordarshan simhachalam training
#1

Satellite transmission: the main advantage of the satellite communication is that it covers
large area , i.e, it has wide transmission range .
Terrestrial transmission: this has a limited coverage area, for this current station it is 90km.
Analogy of transmission:
The PRASAR BHARATHI in vizag is a relay station.
This station gets its uplink from main station located in HYDERABAD.
These DD kendras generates and uplinks the signal from earth station.
In relay centers the mode of transmission is TERRISTRIAL transmission.
This relay center receives the uplink from Hyderabad then amplifies the signal and
retransmits it, this is the main function of the relay station.
The station uses two transmitters one for DD news and other for DD national.
more refrence:http://bitsvizag3rd%20year%20ECE/OBJECTIVE%20OF%20THE%20VISIT.pdf
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#2
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#3

hi i am laxman. i would like to get full details on doordarshan simhachalam
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