Astra 1N (19.2°E), 2021-12-16
ARD Digital: WDR HD Aachen has left 12603.75MHz, pol.H (DVB-S SID:28544 PID:5601[MPEG-4] /5602 Almanca,5603 mis,5606 Almanca)

 Astra 1KR (19.2°E), 2021-03-03
ARD Digital: New frequency for WDR HD Aachen: 11523.25MHz, pol.H (DVB-S SR:22000 FEC:5/6 SID:28333 PID:101[MPEG-4]/102 Almanca,103 Almanca,106 Almanca- sifresiz).

 Astra 1N (19.2°E), 2019-10-05
ARD Digital: A new channel has started in DVB-S : WDR HD Aachen (Almanya) on 12603.75MHz, pol.H SR:22000 FEC:5/6 SID:28544 PID:5601[MPEG-4]/5602 Almanca,5603 mis,5606 Almanca - sifresiz.

 Astra 1L (19.2°E), 2012-06-06
WDR HD Aachen switched to Astra 1L satellite at 12603.75MHz, pol.H (DVB-S , 12603.75MHz, pol.H SR:22000 FEC:5/6 PID:5601[MPEG-4] /5602 Almanca,5603 mis,5606 Almanca).