All India Radio - DRM Tests

Screen shot of decoded signals during last AIR DRM Test

ALL INDIA RADIO
REGULAR DRM TESTS FROM HPT, KHAMPUR,DELHI

WITH EFFECT FROM 2ND OCT, 2008

Service : VIVIDH BHARATI SERVICE
Time : 0900-1200 UTC (1430-1730 IST)
Allocations for DRM Transmission : D17/DD 6100 kHz (H 2/1/0.2)
Target/ Coverage Area : Within 600 Km range
Parameters :
POWER: 50 kW (7dB below the original analog power)
MODE: B (NVIS)
QAM: 16
INTERLEAVE: L
PROTECTION RATIO: 0.5

Service : GOS-IV/ HINDI/GOS-V
Time : 1745 - 2230 UTC (2315-0400 IST)
Allocations for DRM Transmission : D17/NW 9950 kHz (HRR4/4/0.75)
Target/ Coverage Area : UK & WEST EUROPE
Parameters :
POWER: 50 kW (7dB below the original analog power)
MODE: B
QAM: 64
INTERLEAVE: L
PROTECTION RATIO: 0.6

Reception reports to: spectrum-manager@air.org.in