Astra 1N (19.2°E), 2021-12-16
ARD Digital: WDR HD Duisburg has left 12603.75MHz, pol.H (DVB-S SID:28547 PID:5601[MPEG-4] /5602 German,5603 mis,5606 German)

 Astra 1KR (19.2°E), 2021-03-03
ARD Digital: New frequency for WDR HD Duisburg: 11523.25MHz, pol.H (DVB-S SR:22000 FEC:5/6 SID:28337 PID:101[MPEG-4]/102 German,103 German,106 German- Clear).

 Astra 1N (19.2°E), 2019-10-05
ARD Digital: A new channel has started in DVB-S Clear: WDR HD Duisburg (Germany) on 12603.75MHz, pol.H SR:22000 FEC:5/6 SID:28547 PID:5601[MPEG-4]/5602 German,5603 mis,5606 German.

 Astra 1L (19.2°E), 2012-06-06
WDR HD Duisburg switched to Astra 1L satellite at 12603.75MHz, pol.H (DVB-S , 12603.75MHz, pol.H SR:22000 FEC:5/6 PID:5631[MPEG-4] /5632 German,5633 mis,5636 German).