DWSI

{{Short description|Radio station in Isabela, Philippines}}

{{Use Philippine English|date=January 2023}}

{{Use mdy dates|date=January 2023}}

{{Infobox radio station

| name = Sonshine Radio Santiago

| callsign = DWSI

| logo =

| 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){{cite book|url=https://books.google.com/books?id=1HlwAAAAMAAJ|title=The Fookien Times Philippines Yearbook|pages=21|date=1987|publisher=Fookien Times|isbn=9789710503506|accessdate=December 27, 2020|via=Google Books}}

| language = Ilocano, Filipino

| licensing_authority = NTC

| power = 5,000 watts

| erp =

| callsign_meaning = Santiago Isabela

| network = Sonshine Radio

| owner = Swara Sug Media Corporation

| licensee =

| sister_stations = DWSA-TV

| webcast =

| website =

}}

DWSI (864 AM) Sonshine Radio was 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.{{cite web|url=http://www.geocities.ws/piaregion2/radiostations.htm|title=Radio Stations|website=PIA Region 2|accessdate=December 27, 2020|archive-date=October 24, 2020|archive-url=https://web.archive.org/web/20201024150442/http://www.geocities.ws/piaregion2/radiostations.htm|url-status=live}}{{Cite web|url=https://pia.gov.ph/news/articles/1018712|title=UNESCO advocates importance of communication|last=Edale|first=Merlito G.|website=pia.gov.ph|language=en|date=February 19, 2019|access-date=July 25, 2019}}{{Cite web|url=https://www.philrice.gov.ph/rice-information-in-the-airwaves/|title=Rice information in the airwaves|date=June 6, 2019|website=Philippine Rice Research Institute|language=en-US|access-date=July 25, 2019|archive-date=August 8, 2022|archive-url=https://web.archive.org/web/20220808123154/https://www.philrice.gov.ph/rice-information-in-the-airwaves/|url-status=live}}{{cite web|url=https://ati.da.gov.ph/ati-2/news/07132019-1537/gap-and-oap-now-air-simul-soa-program|archive-url=https://web.archive.org/web/20191115140650/http://ati.da.gov.ph/ati-2/news/07132019-1537/gap-and-oap-now-air-simul-soa-program|url-status=dead|archive-date=November 15, 2019|last=Alaska|first=Claris|title=GAP and OAP now On-Air, A Simul-SOA Program|website=Agricultural Training Institute|date=July 13, 2019|accessdate=December 27, 2020}}{{cite web|url=https://ati.da.gov.ph/ati-2/news/07042018-1329/radyo-eskwela-swine-chicken-airs-anew|last=Caliguiran|first=Vladimir|title=Radyo Eskwela on Swine, Chicken Airs Anew|website=Agricultural Training Institute|date=June 21, 2018|accessdate=December 27, 2020}}{{Dead link|date=November 2024 |bot=InternetArchiveBot |fix-attempted=yes }}

On the morning of June 24, 2001, DWSI's studio was shot at by unidentified men.{{Cite web|url=https://www.philstar.com/nation/2001/06/26/103573/santiago-city-radio-station-strafed|title=Santiago City radio station strafed|website=philstar.com|access-date=July 25, 2019|archive-date=July 25, 2019|archive-url=https://web.archive.org/web/20190725100509/https://www.philstar.com/nation/2001/06/26/103573/santiago-city-radio-station-strafed|url-status=live}}

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.{{cite news |last=Daanoy |first=Sonny |title=NTC slaps SMNI with 30-day suspension |url=https://mb.com.ph/2023/12/21/ntc-slaps-smni-with-30-day-suspension |date=December 21, 2023 |newspaper=Manila Bulletin |access-date=December 21, 2023 |archive-date=December 22, 2023 |archive-url=https://web.archive.org/web/20231222054929/https://mb.com.ph/2023/12/21/ntc-slaps-smni-with-30-day-suspension |url-status=live }}