With effect from 17th May, 2019 All India Radio has changed the content of the program being transmitted in pure DRM mode on AIR Delhi 1368 kHz and AIR Chennai 783 kHz
News on air and half hour slots of western music programs sourced from different regional AIR channels will replace AIR Vividh Bharati service at both places, Delhi and Chennai.
Above transmitters will carry FM Rainbow Delhi and FM Rainbow Chennai as 2nd program channel.
Here's the schedule :
AIR Chennai - 783 kHz (20 kW) Pure DRM (2 channels)
1st Channel - News On Air and Western Music
2nd Channel - FM Rainbow Chennai
Time : 0555-1705 IST, 1800-2310 IST
AIR Delhi - 1368 kHz (20 kW) Pure DRM (2 channels)
1st Channel - News On Air and Western Music
2nd Channel - FM Rainbow Delhi
Time : 0555-1100, 1200-1730, 1815-2310 IST
DRM (Digital Radio Mondiale) technology has this unique advantage wherein a listener can listen to two different program channels on a single frequency enabling huge cost saving for broadcasters.