WISU

{{Short description|Radio station at Indiana State University located in Terre Haute, Indiana}}

{{Use American English|date=February 2025}}

{{Use mdy dates|date=January 2025}}

{{Infobox radio station

| name = WISU

| logo = 200px

| city = Terre Haute, Indiana

| area = Terre Haute, Indiana

| branding = WISU 89.7 FM

| frequency = 89.7 MHz

| airdate = 1964

| format = Public radio

| erp = 13,500 watts

| haat = {{convert|156|meters}}

| class = B

| facility_id = 28603

| callsign_meaning = W Indiana State University

| owner = Indiana State University

| affiliations = National Public Radio (since 2014)

| webcast =

| website =

}}

WISU is a non-commercial, educational radio station licensed to Indiana State University in Terre Haute, Indiana. The station operates on the assigned FM frequency of 89.7 MHz with an effective radiated power of 13,500 watts. The studios are located in Dreiser Hall on the ISU campus. The tower and transmitter facilities are located in West Terre Haute, Indiana. Under the personal supervision of the "Hoosier Schoolmaster of the Air,"(Myers, 2016) Dr. Clarence M. Morgan, who with his son Dr. Thomas O. Morgan helped build the station, WISU began broadcasting on April 1, 1964. WISU is licensed by the U.S. Federal Communications Commission as a Class B FM station, which would allow a maximum power of 46,000 watts effective radiated power (ERP), using an antenna height of 156 meters.{{cite web|url=http://www.fcc.gov/encyclopedia/fmpower |title=FMpower - Find ERP for an FM Station Class |access-date=January 19, 2015 |url-status=dead |archive-url=https://web.archive.org/web/20150106223425/http://www.fcc.gov/encyclopedia/fmpower |archive-date=January 6, 2015 }}