 | |
| Company type | System |
|---|---|
| Industry | Digital radio |
| Predecessor | Digitales Satellitenradio |
| Founded | 1995 |
| Defunct | April 30, 2012 |
| Fate | Ceased |
| Successor | DVB-S / DVB-S2 |
| Parent | SES S.A. |
Astra Digital Radio (ADR) was a system used by SES for digital radio transmissions on the early Astra satellites, using the audio subcarrier frequencies of analogue television channels. It was introduced in 1995. As of February 2008, there were still 51 stations transmitting in this format. ADR ceased on 30 April 2012 when analogue broadcasts on Astra 19.2°E ended.