Radio Networking (RN) through INSAT provides a reliable high-fidelity programme channels for National as well as Regional Networking. At present, 326 All India Radio (AIR) stations have been equipped with receive terminals.
A total of 85 RN channels are being up-linked at present. For this, AIR is utilising one C-band transponder (C-11) of INSAT-3C. A total of 90 carriers in CxC band are being envisaged for up-linking by utilising a full transponder of INSAT-3C by the end of 12th five year plan.
In AIR network, a total of 32 earth stations are equipped with the facility to uplink in CxC band. The Central earth station at Broadcasting House, New Delhi, has been augmented to up-link 26 RN carriers in CxC band.
At present, AIR has 21 radio channels on DTH platform in Ku-band being uplinked with TV carriers from Todapur, New Delhi on INSAT-4B. Efforts are underway to augment this to 40 channels, and installation is in progress to uplink 6 radio channels on DTH C-Band to cover Andaman and Nicobar areas during XII Plan period.