1968 Plans are developed for 10 watt noncommercial educational FM station.
1969 July 7: KTUH begins broadcasting on FM for the first time, at 90.5 mHz. Broadcasts run from 6:30 p.m. to 2:30 a.m. Sunday through Thursday and from 6:30 p.m. to 3:30 a.m. Fridays. Located in Hawaiʻi Hall, room 206, the station is under the direction of the Speech-Communication Department. General Manager: Fred Barbaria.
1971 October: KTUH presents the first “quadrophonic sound” radio program in Hawaiʻi. If electronically equipped, listeners will receive four separate signals through four different speakers.
1972 KTUH broadcasts 24 hours a day, seven days a week.
October: KTUH begins transmitting via Kaiser Teleprompter (cable) to Hawaiʻi Kai (90.9 mHz).
1973 July: KTUH nearly shut down due to unpaid UPI bill. Payment of $1100 bill out of $1200 budget would bankrupt the station. Dean of Students Si Ellingson pays the bill and saves the day. It is proposed to put station under Department of Student Activities.
August: KTUH expands, installing translator atop Leahi Hospital in Kaimuki. Frequency is 89.7 mHz for Kaimuki to Hawaiʻi Kai area. General Manager Fred Barbaria resigns. Russell Roberts becomes GM effective September 1.
1974 November: Main tower erected atop Porteus Hall (currently known as Social Sciences Building); transmitter located below on sixth floor. Transmitter to be operated by remote control from Hawaiʻi Hall. Due to move, main signal will change to 90.3 mHz. Originally planned to go off air for only ten days, station is off air for almost three months due to unforeseen technical problems. General Manager: Ross Stephenson.
1975 February: KTUH returns to air after equipment improvement.
September: Translator installed on Mt. Kaala, becoming almost the only station Oʻahu’s North Shore can receive. Frequency is 91.3 mHz.
1976 April: KTUH shut down after failing to install new emergency broadcasting equipment required by the Federal Communications Commission (FCC). New General Manager is Kerry Painter, after Ross Stephenson resigns to find full-time outside job.
July: General Manager Kerry Painter resigns to accept full time employment elsewhere. General Manager: Jim Todt.
1977 February: KTUH returns to air after a two-month absence; broadcasting ceased due to a faulty transmitter.
June: General Manager: Rick Boudreau.
1979 KTUH moves into new studios at Hemenway Hall.
October: The student senate of the Associated Students of the University of Hawaiʻi (ASUH) creates a Broadcast Communication Authority (BCA) to oversee KTUH and any future student-run broadcasting ventures. The BCA is funded by a reapportioning of the UH Mānoa student activity fee.
1982 General Manager: Jodi Allen General Manager: Jan Karasek. Board of Regents approves creation of BCA.
1983 General Manager: Bob Wiorek.
1984 KTUH receives permission from the Board of Regents to increase its broadcast power to 100 watts.
1986 July: KTUH sends three representatives, including General Manager Jai Mansson, to the 16th New Music Seminar in New York. KTUH had never before attended a seminar.
1987 December: KTUH receives the Trummy Young award. The award is given annually by the Hawaiʻi Jazz Preservation Society for “outstanding achievement in the perpetuation of jazz.” General Manager: Tim Lynch. BCA finally receives funding through student fees, putting the station on solid financial ground at last.
1988 August: General Manager Stevie Calandra and Program Director Pamela Westcott attend a community radio broadcasters conference in Managua, Nicaragua.
1990 General Manager: Pamela Westcott.
1992 July 4: KTUH cosponsors FACE-IT: Hawaiʻi’s Concert for Life at Andrews Amphitheater to benefit the Life Foundation and PWAC: People With AIDS Coalition.
November: General Manager: Andrew Hartnett.
1994 March: General Manager: Jai Mansson. July 7: KTUH’s 25TH ANNIVERSARY! October: General Manager: Pat Louie.
1995 July: The KTUH website goes up.
1996 June 24: In an attempt to make up for the cuts in the budget by the university, KTUH begins soliciting and airing underwritten spots.
December: The KTUH website moves to its own server housed in the KTUH General Office.
1997 April: Frank McPherson becomes GM.
July: KTUH gets a new airboard.
1998 November 13: In a Board of Regents meeting on Maui, a power increase to 3,000 watts is approved for KTUH FM Honolulu.
1999 March: Frank McPherson steps down. Cedric Duarte assumes General Manager’s duties as Interim GM.
July 7: KTUH’s 30TH ANNIVERSARY!
2000 May: Barry Sato replaces Cedric Duarte as General Manager. Program Director duties, vacated by Sato, are assumed by Mary Brunson. December: Stacy Kinoshita replaces Mary Brunson as Program Director.
2001 May: Barry Sato steps down. Lori Ann Saeki assumes General Manager’s duties as Interim GM.
July: Stacy Kinoshita steps down. Allyson Ota assumes Program Director’s duties as Interim PD.
July 31: At midnight on Tuesday morning, KTUH says goodbye to transmitting at 100 watts. Transmission will be discontinued for an estimated two weeks while KTUH’s tower and antenna are renovated for broadcast at 3,000 watts.
August 9: Due to unforeseen technical issues, KTUH’s estimated return to the airwaves at 3,000 watts is moved from Monday, August 13 at 6:00 a.m. to Thursday, August 16 at 6:00 a.m.
August 16, 6:00 a.m.: KTUH returns to the airwaves at 3,000 watts! The first song broadcast is “Change is Gonna Come,” by Otis Redding. The first DJ is Jeffery Long, filling an open show. Present are General Manager Lori Ann Saeki, Program Director Shaun Lau, Production Director John Goya, and Traffic Director Mark Ulit.
August 16, 6:03 a.m.: KTUH Online is relaunched to coincide with KTUH’s return to the airwaves. It is the site’s second makeover since its inception in July 1995. The site is also made accessible through the URL ktuh.org.
2004 October 3-9: Radiothon 2004. KTUH raises approximately $33,000 towards its new Windward frequency and general station improvements.
2005 November 17: KTUH debuts on the Windward side at 89.9 FM.
2016 March 16, 3:00 PM: KTUH switches its frequency to 90.1 FM, broadcasting island-wide at 7000 watts. DJ Mermaid plays Ea Mai Hawaiʻi by Kaumakaiwa Kanakaʻole to celebrate the change.