INSAT has been a major catalyst for the expansion of television
coverage in India. Satellite television now covers 100% area and 100%
population. The terrestrial coverage is over 65 percent of the Indian land mass
and over 90 percent of the population. At present 40 Doordarshan TV channels
including news uplinks are operating through C-band transponders of INSAT-3A,
INSAT-4B, INSAT-3C and INSAT-2E (Additionally IS-10 & IS-906 INTELSAT leased).
All of the Satellite TV channels are digitalized.
The following satellite television services are being operated
by Doordarshan:
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National networking service (DD-1), DD News (DD-2), DD-Sports,
DD-Urdu, DD-India DD-Bharati.
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Regional services in Sates of Kerala, Karnataka, Jammu &
Kashmir, Tamil Nadu, West Bengal, Andhra Pradesh, Gujarat, UP, Assam,
Maharashtra, Punjab, Himachal Pradesh, Rajasthan, Tripura, Orissa, Bihar,
Madhya Pradesh, Uttarakhand (Uttaranchal), Haryana, Mizoram, Jharkhand and
Chhatisgarh.
As on Dec.,2008, 1412 transmitters of Doordarshan are working in
INSAT system out of which 1133 transmitters (130 High Power Transmitters (HPT),
728 Low Power Transmitters (LPT), 257 Very Low Power Transmitters (VLPT) and 18
Transposers) are working in the DD-1 network and 167 TV Transmitters (73 HPTs,
78 LPTs and 16 VLPTs) are working in the DD-News network. 108 Regional service
transmitters (6 HPTs, 8 LPTS and 94 VLPTs), 4 HPTs with digital transmissions
are also operational in the Doordarshan Network. Out of these 4 transmitters
one located at Delhi is carrying 16 mobile TV services for experimental
purpose. 45 DD and Private TV channels are operational through DTH service ("DD
Direct+"). 10 channel DTH planned in C-Band for Andaman & Nicobar islands is
under installation.
INSAT provides bandwidth for DTH broadcasting service over
Indian region. At present DTH service is operational through INSAT- 4 series.
INSAT-4 series has high power transponders with 52 dBW EIRP (EOC) to support
DTH service with 60/90 cm dish of TVRO at receive side, all over India.
TATA-SKY operates DTH service through INSAT-4A at 83 deg East
with total number of 150 video channels. Doordarshan (DD-DIRECT) operates DTH
service through INSAT-4B at 93.5 deg East with total number of 48 channels
which are free to air. Other private DTH service providers like Sun Direct and
Bharati Airtel have also started DTH service through INSAT-4B and INSAT-4CR
which is at 74 deg East location.
In all, around 16.2 millions of TVROs are distributed and
operational all over India by various service providers including DD DIRECT
TVRO's number in excess of 10 millions.
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