| Sonshine Radio Santiago | |
| Callsign: | DWSI |
| City: | Santiago |
| Area: | Central Cagayan Valley and surrounding areas |
| Branding: | DWSI 864 Sonshine Radio Santiago |
| Format: | Silent |
| Airdate: | 1967 (as NBC DWSI) 1998 (as Angel Radyo) 2005 (as Sonshine Radio) |
| Last Airdate: | December 2023 (NTC suspension order) |
| Frequency: | 864 kHz |
| Former Frequencies: | 1250 kHz (1967–1978) 1251 kHz (1978–1998)[1] |
| Language: | Ilocano, Filipino |
| Licensing Authority: | NTC |
| Power: | 5,000 watts |
| Callsign Meaning: | Santiago Isabela |
| Network: | Sonshine Radio |
| Owner: | Swara Sug Media Corporation |
| Sister Stations: | DWSA-TV |
DWSI (864 AM) Sonshine Radio is a radio station owned and operated by Swara Sug Media Corporation. The station's studio and transmitter are located at the 2nd Floor, Sarangaya Bldg., Brgy. Sinsayon, Santiago, Isabela.[2] [3] [4] [5] [6]
On the morning of June 24, 2001, DWSI's studio was shot at by unidentified men.[7]
On mid-December 2023, the station, along with the rest of the network, had its operations suspended by the National Telecommunications Commission for 30 days, through an order dated December 19 but was publicized two days later, in response to a House of Representatives resolution, in relation to the alleged franchise violations.[8]