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|City||Cagayan de Oro|
|Broadcast area||Cagayan de Oro, Misamis Oriental, Northern Bukidnon, parts of Agusan del Sur, Southern Bukidnon, Lanao del Norte, Lanao del Sur and Camiguin
|Branding||99.9 Magnum Radio|
|Slogan||Your News and Music Station
Sa Musika, Balita at Serbisyo... Magnum Radyo! (In Music, News and Service... Magnum Radio!)
Number 1 sa Musika, Number 1 sa Balita, Number 1 sa Serbisyo... Magnum Radyo! (Number 1 in Music, Number 1 in News, Number 1 in Service... Magnum Radio!)
|First air date||1979 (as 99.9 RK)
2003 (as Bay Radio)
2011 (as Magnum Radio)
|Format||Music, News, and Talk|
|Audience share||35.73 (3.775%) (September 2, 2013, Kantar Media/KBP-RRC)|
|Class||C, D, E|
Roa Kami (We Are Roa)
Bay RaDio (2003 - 2008)
|Owner||Magnum Broadcasting Inc.|
|Webcast||Listen Live via USTREAM|
DXRK, broadcasting as 99.9 Magnum Radio, is a news and music FM radio station is owned and operated by Magnum Broadcasting Inc. in the Philippines. The station's studio is located at Magnum Broadcast Center, 2nd floor, SBS Building, C.M. Recto Avenue, while the transmitter is located at Osmena Street, Cagayan de Oro City. 99.9 Magnum Radio operates 24 hours a day, except on Mondays where it signs-off at midnight to 4:00 AM, and except Holy Week of each year where it signs-off at midnight of Maundy Thursday until 4:00 AM of Easter Sunday.
RK era: 1979 - 2002
DXRK was launched on December 26, 1979 by then Mayor Pedro "Oloy" N. Roa, through his company P.N. Roa Broadcasting System. The station was then called 99.9 RK, bearing the slogan "The Rhythm of the City" (inherited from 99.5 RT Manila). Its format was more of contemporary hit radio (CHR). On December 27, 1979, 99.9 RK it had its first broadcast and it operates 24 hours a day, 7 days a week. On February 3, 1997, 99.9 RK has changes from 24 hours and 7 days to 16 hours a day limited its broadcast from 8:00 AM to 12:00 MN due to NTC regulations.
99.9 RK had its final broadcast on December 31, 2002 after 23 years of broadcasting.
Bay Radio era: 2003 – 2010
Acquired back then by Baycomms Broadcasting Corporation, DXRK changed its callsign to DXBD and began its test broadcast on January 27, 2003. On February 24, 2003, it was relaunched as 99.9 Bay Radio Cagayan de Oro. The station signed on at 5:00 AM. The format of the station is Hot AC music, broadcasting on a 19-hour basis from 5:00am to 12:00mn. At that time, its studios and transmitter were located at J.R. Borja St. In 2008, its callsign was reverted to its original callsign, DXRK. Since April 5, 2009 to October 24, 2010, Bay Radio began 24 hours a day except on Mondays where it signs off at midnight to 5:00 AM. Since October 31, 2010 to December 18, 2010, Bay Radio began broadcasting on a 24-hours a day except on Sundays where it signs off at midnight to 5:00 AM.
After 7 years of broadcasting due to possible timeslot sign off every daily, Monday and Sunday at 12:00 MN to 5:00 AM, 99.9 Bay Radio signed off for the last time dissolved on December 25, 2010 with the last program of Foreign Saturday Nights and the last song "Already Gone" by Kelly Clarkson. Since the next day, 99.9 FM was left dormant. During that time, the station was sold to Magnum Broadcasting Inc., and its studios moved to its present location at 2nd floor, SBS Building, C.M. Recto Ave. and transmitter moved to its present location at Osmena St.
Magnum Radio era: 2011 – Present
On February 1, 2011, after a month hiatus. 99.9 FM returned on air as a test broadcast. On February 28, 2011, 99.9 FM was relaunched as Magnum Radio at 4:00 AM. Under new management of Magnum Broadcasting Inc., the main format of the station is news/talk and music, similar to Brigada Newspaper's DXYM in General Santos.
Magnum Radio has ranked #1 in Cagayan de Oro, based on the recent Kantar Media Radio Research Council Survey. It got 3.775% of audience share.
- Magnum Radio now on test broadcast, to be launched Feb. 28 www.CDODev.com. Retrieve April 4, 2013.