DXUM

DXUM
Davao City

Broadcast area	Davao Region and surrounding areas
Frequency	819 kHz
Branding	819 DXUM
Programming
Language(s)	Cebuano, Filipino
Format	News, Public Affairs, Talk
Network	UMBN News & Public Affairs
Ownership
Owner	UM Broadcasting Network (Mt. Apo Broadcasting System)
Sister stations	92.3 Wild FM, Retro 95.5
History
First air date	1957
Former frequencies	810 kHz (1957–1978) 936 kHz (1978–1988)
Call sign meaning	University of Mindanao
Technical information
Licensing authority	NTC
Power	10,000 watts

DXUM (819 AM) is a radio station owned and operated by UM Broadcasting Network through its licensee, Mt. Apo Broadcasting System. It serves as the flagship station of UMBN's News & Public Affairs network, formerly known as Radyo Ukay. The station's studio is located at the UMBN Media Center, C. Bangoy St. cor. Palma Gil St., Davao City, while the transmitter is located near the University of Mindanao Matina Campus, Davao City.^[1]^[2]^[3]

History

DXUM was launched in 1957, 8 years after Atty. Guillermo Torres launched DXMC and the same year UMBN was founded.^[4] While DXMC broadcasts news and variety programming, DXUM airs music programming.

During the Martial Law era (and due to a new law that a broadcast company does not allow more than one station in the same market), the ownership and licensee of DXUM was transferred to Mt. Apo Broadcasting System of the Mt. Apo Science Foundation (MASFI), another institution also owned by Torres and is a sister association to the UM.

In November 1978, due to the switch of the Philippine AM dial from the NARBA-mandated 10 kHz spacing to the 9 kHz rule implemented by the Geneva Frequency Plan of 1975, the station's frequency was transferred to 936 kHz.

During the 1970s and the 1980s, DXUM was the top music station in Davao City.

In 1988, two years after EDSA People Power Revolution, the disc jockeys of DXUM were transferred to DXMC, which would eventually be migrated on the FM band and became known as Wild FM. Following the changes in the landscape of AM radio now dominated by rival stations, DXUM transferred to its present frequency (819 kHz), while its former frequency now revived as DXDN in Tagum and reformatted as a news/talk station under the brand Radyo Magasin. After a few years, it rebranded as Radyo Peryodiko, and then Radyo Balita until settling with the Radyo Ukay branding in 2000. Radyo means radio and Ukay means to dig. It aims to dig issues and reports and it is known to many as "Investigative" radio.

On June 15, 2020, management decided to retire the branding as it has run its course. DXUM, along with its other AM stations, started carrying their perspective call letters in their brandings. The yellow highlighted in the "X" of their logos means to move forward.^[5]

References

^ Freeze: Bend n’ Peel Merry Mango
^ FAST BACKWARD: Remembering A. J. Wills
^ 10 Things Any 80s Kid Who Grew Up In Davao Would Know
^ "House Bill No. 5632" (PDF). House of Representatives of the Philippines. Retrieved July 13, 2019.
^ Radyo Ukay rebranded

v t e Radio stations in the Metro Davao market
By AM frequency	DXMF 576 DXDC 621 DXRP 675 DXUM 819 DXGO 855 DXOW 981 DXRR 1017 DXKT 1071 DXGM 1125 DXFE 1197 DXRF 1260 Tagum DXDN 936 DXED 1224 Digos DXDS 1161
By FM frequency	DXQQ 87.5 87.9 DXDR 88.3 DXRP 88.7 DXBE 89.1 DXGN 89.9 DXBM 90.7 DXWT 92.3 DXAC 93.1 DXXL 93.9 DXLL 94.7 DXKR 95.5 DXFX 96.3 DXUR 97.1 DXSS 97.9 DXQM 98.7 DXBT 99.5 DXDJ 100.3 101.1² DXFM 101.9 DXYP 102.7 DXRV 103.5 DXMA 104.3 DXYS 105.1 DXET 106.7 DXNU 107.5 Tagum 89.5 DXNR 91.1 DXAV 92.5 DXFK 92.9 DXJB 93.5 DXKS 95.1 DXOD 96.1 DXBY 97.5 DXXM 97.7 DXKN 98.3 DXMW 99.3 DXLT 99.9 DXCG 102.3 DXPA 103.1 DXTO 103.9 DXWH 104.7 DXHS 106.8 DXDE 107.1 DXWG 107.9 Digos DXPL 87.9 89.5 DXGJ 90.3 DXNW 91.1 DXPM 91.9 DXAY 92.7 DXDA 94.3 DXJF 96.1 DXSV 96.7 DXJC 99.1 DXKO 103.1 DXMX 105.9 DXDI 106.3 DXHD 107.1
HD digital radio	92.3-1
Internet radio	MOR On-Line Mindanao The Edge Radio Davao
Defunct/Inactive call signs	DXAB 1296 DXAQ 1404 DXBZ 88.5 DXCT 99.5¹ DXGE 1017¹ DXIP 900 DXKX 91.5 DXMC 740/819¹ DXML 1044 DXMM 810 DXOZ 99.5¹ DXRA 783 DXRD 711 DXRR 101.1¹ DXST/DXTO 105.1¹
¹Technically still active, but with new call signs and different intellectual property. ²Unlicensed and low-powered station. Philippine radio markets Metro Manila Ilocos & CAR Laoag Vigan-Bangued San Fernando-Agoo Baguio Dagupan Cagayan Valley Tuguegarao Cauayan-Santiago Bayombong Central Luzon Cabanatuan Tarlac San Fernando-Angeles Olongapo-Subic Calabarzon Western Laguna Batangas-Lipa Lucena-San Pablo Mimaropa Calapan San Jose Puerto Princesa Bicol Daet Naga-Iriga Legazpi Virac Sorsogon Masbate Western Visayas Kalibo Roxas San Jose Iloilo Negros Island Region Bacolod Northeast Negros Dumaguete Central Visayas North Cebu Cebu City Bohol Eastern Visayas Calbayog-Catarman Borongan Catbalogan Tacloban-Ormoc Maasin-Sogod Zamboanga Dipolog Pagadian Ipil-Liloy Zamboanga City Northern Mindanao Ozamiz-Oroquieta Iligan Cagayan de Oro Gingoog Malaybalay-Valencia Davao Davao Malita Mati Southern Mindanao Kidapawan Tacurong-Isulan Koronadal-Surallah General Santos Caraga Surigao City Butuan Tandag San Francisco Bislig-Trento BARMM Cotabato City-Midsayap Sulu and Tawi-Tawi

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