Radio Networking (RN) through INSAT provides a reliable
high-fidelity programme channels for national as well as regional networking.
At present, 235 All India Radio (AIR) stations have been equipped with S-band
receive terminals out of which around 200 AIR stations have been equipped to
receive C-band Analogue and Digital RN carriers also and rest of the stations
are going to be equipped with analogue and digital C-band RN Terminals by the
end of XIth Plan.
A total of 104 RN channels are being up-linked at present. Out
of these, 43 are operating in CxS and 61 in CxC bands. For this AIR is
utilising two Nos S-band transponders (partial) and one C-band transponder of
INSAT-3C. A total of 90 carriers in CxC band are being envisaged for up-linking
by utilising full one transponder of INSAT-3C.
In AIR network, a total of 32 earth stations are present with
facility to uplink in both CxS and CxC band frequency. The Central earth
station at Broadcasting House, New Delhi, has been augmented to up-link 22 RN
carriers in CxS and CxC band.