Frequenzen von WDR 4
| Frequenz (Mhz) | Stadt | Region |
|---|---|---|
| 93.9 Mhz | Aachen | Nordrhein-Westfalen |
| 91.7 Mhz | Arnsberg | |
| 90.1 Mhz | Bad Oeynhausen | |
| 90.7 Mhz | Bonn | |
| 100.7 Mhz | Ederkopf | |
| 96.1 Mhz | Hallenberg | |
| 87.8 Mhz | Höxter | |
| 99.5 Mhz | Ibbenbüren | |
| 101.7 Mhz | Kleve | |
| WEB | Köln | |
| 99.6 Mhz | Lübbecke | |
| 91.9 Mhz | Monschau | |
| 100.0 Mhz | Münster | |
| 103.8 Mhz | Nordhelle | |
| 104.1 Mhz | Olsberg | |
| 101.1 Mhz | Schmallenberg | |
| 101.2 Mhz | Siegen | |
| 104.5 Mhz | Warburg |