DWIS (Vigan)
| Broadcast area | Ilocos Sur and surrounding areas |
|---|---|
| Frequency | 98.9 MHz |
| Programming | |
| Language(s) | English |
| Format | Silent |
| Ownership | |
| Owner | Southern Broadcasting Network |
| Operator | Estima, Inc. |
| History | |
First air date | 1984 |
Last air date | February 25, 2018 |
Former names | Mom's Radio (until 2018) |
Call sign meaning | Ilocos Sur |
| Technical information | |
Licensing authority | NTC |
| Power | 2,500 watts |
| ERP | 4,570 watts |
DWIS (98.9 FM) was a radio station owned and operated by Southern Broadcasting Network. The station's studio and transmitter were located in Brgy. Cabaroan Laud, Vigan.[1][2][3]