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WTSU logo.png
CityTroy, Alabama
Broadcast areaMontgomery, Alabama
BrandingTroy University Public Radio
Frequency89.9 MHz
(also on HD Radio)
Repeater(s)WRWA 88.7 Dothan
WTJB 91.7 Columbus, Georgia
First air dateMarch 1, 1977 (at 90.1)
FormatPublic radio; Classical music
HD2: Classical/Jazz
HD3: BBC World Service
ERP100,000 watts
HAAT230 meters (750 ft)
Facility ID68187
Transmitter coordinates32°3′40″N 86°01′19″W / 32.06111°N 86.02194°W / 32.06111; -86.02194
Former frequencies90.1 MHz (1977-1981)
AffiliationsAmerican Public Media, National Public Radio, Public Radio International
OwnerTroy University Public Radio
(Troy University)
Sister stationsWRWA, WTJB
WebcastListen Live

WTSU (89.9 FM) is an American radio station licensed to serve Troy, Alabama and serving the Montgomery, Alabama market. The station, established in 1977, is owned and operated by Troy University. It broadcasts a classical music format as the flagship station of the Troy University Public Radio network.[1][2]

WTSU broadcasts in HD.[3]


WTSU started broadcasting on March 1, 1977, as the state's third public radio station (the callsign stands for the university's name then, "Troy State University,"[4] a part of the Alabama higher education system), and the first south of Birmingham. The station was assigned the call sign "WTSU" by the Federal Communications Commission (FCC).[5] WTSU originally broadcast at 90.1 MHz with a power of 50,000 watts; by 1981, it moved to its present frequency of 89.9, doubling its wattage to 100,000. Programming from the start was a blend of news and classical music, combined with an automated block of "beautiful music" between 9:00 a.m. and 4:00 p.m. Troy University Public Radio discontinued the easy-listening daytime format in 1993.


  1. ^ "Station Information Profile". Arbitron. Retrieved December 5, 2011.
  2. ^ "Troy names director of radio, television". Montgomery Advertiser. Montgomery, AL. June 27, 2008. Retrieved December 5, 2011. As director, Johnson oversees the operation of the University's three National Public Radio affiliates, WTSU-FM 89.9, Montgomery/Troy, WRWA-FM 88.7, Dothan and WTJB-FM 91.7, Phenix City/Columbus.
  3. ^ http://hdradio.com/stations
  4. ^ Nelson, Bob (October 18, 2008). "Call Letter Origins". The Broadcast Archive. Retrieved October 31, 2008.
  5. ^ "Call Sign History". CDBS Public Access Database. Federal Communications Commission Media Bureau. Retrieved December 5, 2011.

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