DXSO explained

Radyo Pilipinas Marawi
Callsign:	DXSO
City:	Marawi
Area:	Lanao del Norte and Lanao del Sur
Branding:	Radyo Pilipinas 99.7
Airdate:	September 29, 1964 (on AM) 2018 (on FM)
Frequency:	99.7 MHz
Former Frequencies:	790 kHz (1964–1978) 774 kHz (1978–2016)
Former Callsigns:	DXSR (2005–2016)
Format:	News, Public Affairs, Talk, Government Radio
Language:	Maranao, Cebuano
Licensing Authority:	NTC
Power:	5,000 watts
Erp:	10,000 watts
Affiliations:	Presidential Broadcast Service
Owner:	Marawi City Government

DXSO (99.7 FM) Radyo Pilipinas Marawi is a radio station owned and operated by the City Government of Marawi. The station's studio is located inside the Mindanao State University Campus, 4th St., Marawi.^{[1] [2] [3] [4]}

The frequency was formerly known as Salam Radio from July 14, 2005, to March 2016, when it was taken over by DXSO, which was formerly broadcast on 774 AM. In 2018, the City Government of Marawi took over the station's operations.^{[5] [6] [7] [8]}

Notes and References

1. https://pia.gov.ph/news/articles/1043367 DICT activates GovNet project for COVID-19 info drive
2. https://pia.gov.ph/features/articles/1043371 USAID’s TB Platforms Project collaborates with Marawi City LGU, MILG, BTA in strengthening TB response amid COVID-19
3. https://newsinfo.inquirer.net/1003695/radio-station-employee-gunned-down-in-marawi-city Radio station employee gunned down in Marawi City
4. Web site: New Marawi City jail 30% complete . January 20, 2021 . January 28, 2021 . https://web.archive.org/web/20210128065924/https://mindanaodailymirror.ph/Main/full_article/new-marawi-city-jail-30-complete9005 . dead .
5. http://archives.pia.gov.ph/?m=12&fi=p050714.htm&no=34 Sallam Radio opens in Marawi
6. https://ranaostar.net/2016/01/17/dilemma-of-the-local-broadcast-media-in-marawi/ Dilemma of the local Broadcast Media in Marawi
7. https://www.pressreader.com/philippines/manila-times/20170701/281608125451447 We can defeat the IS and the Mautes
8. https://issuu.com/piamindanao1/docs/july_30_1e0ae300244756 Multi-sector Groups Converge for A Greener Marawi