About Us
Who We Are
Picture of Studio 'A' C-89.5 has been playing Seattles Hottest Music for over 35 years. The station is owned by the Seattle Public Schools and is operated by students of Nathan Hale High School as part of a radio broadcasting course. Production, programming, music selection, copy, and on-air hosting is done by the student staff. Some regular programs are hosted by alumni and other volunteers.

Over these years we have been growing, and today we have over 100,000 weekly listeners mostly teens to 34. With our new broadcast facility on Cougar Mountain our extended coverage will ensure more people in the Puget Sound Region can hear us loud and clear. By broadcasting on our website, we are able to reach a large and diverse audience from all over the world.

C-89.5 Worldwide is recognized as a leader in dance music. C-89.5 is monitored by BDS and MediaBase, and is one of eight stations that factor in to the Billboard Dance chart. We have won numerous awards and recognitions not only for being a premier high-school facility, but also for being an influential radio station on the cutting-edge of dance music. We were recently listed in Billboard's Top 40 of Top 40, a huge honor and testament to our students' hard work and dedication to C-89.5 Worldwide.
Station History
  • 1960s
    • DEC, 1969: KNHC goes on the air at 100 miliwatts at 1210 AM.
  • 1970s
    • JAN, 1971: KNHC goes on the air at 10 watts at 89.5 FM, covering about a 5 mile cirle in the north end of Seattle.
    • SEP, 1972: Power is increased to 320 watts with a directional antenna.
    • JAN, 1973: Station goes to stereo operations.
    • NOV, 1974: Power is increased to 1,500 watts directional.
    • DEC, 1977: HEW/NTIA grant creates a new studio and sister studio at Cleveland High. Mass Communications Magnet is begun.
  • 1980s
    • OCT, 1981: Power is increased to 3 kW non-directional.
    • DEC, 1983: Jackstraw Memorial Foundation's KRAB files with the FCC to force the District to share the frequency. The District chooses to fight the takeover attempt.
    • APR, 1984: KNHC enters the satellite era installing a downlink to receive the Sheridan Broadcasting Network.
    • JUL, 1986: A BE 3.5 kW transmitter is installed extending C89.5's power to 10 kW.
    • FEB, 1986: The FCC designates the KRAB case to full scale federal hearing.
    • AUG, 1987: Unique Jampro 6 bay state-of-the-art antenna is installed minimizing downward signal.
    • JUN, 1987: Microwave studio transmitter link is installed.
    • FEB, 1987: Associated Press Newspower satellite newsfeed is installed.
    • MAY, 1988: Federal courts rule in favor of KNHC.
    • JAN, 1989: KNHC prevails over a federal appeal by Jackstraw.
  • 1990s
    • SEP, 1990: Magnet grant is awarded to enhance the radio and TV program.
    • JUN, 1990: QEI transmitter is installed extending operations to 30 kW.
    • MAR, 1991: Radio facility is renovated; second production studio, engineering room, and offices are built.
    • DEC, 1994: Articulation agreement is worked out between Boise State University and KNHC to place graduates seamlessly into higher ed. Jobs, college credits and scholarships are made available. Two students attend.
    • SEP, 1995: Began the digital evolution of the station by adding three digital audio editing workstations.
    • JAN, 1997: Began operation of an entirely digital music stream from a server and workstations in every studio.
    • APR, 1998: Station launches interactive website designed and written by webmaster, Nasir Aziz at www.c895fm.com, and made available to the public for the first time.
  • 2000s
    • JAN, 2000: Moved to MiniDisc recording elements and programs, making the station completely tapeless and completing the studio transition to all digital.
    • AUG, 2000: Completely remodeled and rewired all three studios with new audio consoles and furniture.
    • JUN, 2001: Received FCC construction permit to build new transmission facility on Cougar Mountain.
    • JUL, 2002: Flipped the switch from Wedgwood hill to Cougar Mountain, significantly extending the reach, especially to the North, and filling in some of the dead spots.
    • OCT, 2003: KNHC named "Best Of New York" high school radio stations by the Village Voice, thanks to its Internet audio stream.
    • MAR, 2004: becomes the first non-commercial station in the United States to be a monitored reporter when they join the Billboard Magazine Dance Radio Airplay panel.
    • AUG, 2004: Upgraded digital music system, installing new Windows workstations in all studios.
    • NOV, 2004: Live titles of songs playing are added to the C-89.5 website and streaming audio.
    • MAR, 2005: C-89.5 Relaunches as "C-89.5 Worldwide" to highlight its global presence.
    • DEC, 2007: A 128k SHOUTcast stream is added and is underwritten by Spectrum Networks LLC.
    • JAN, 2008: KNHC installed a new Nautel Transmitter on Cougar Mountain and upgraded to HD radio.
Contact Us
We love to hear from our listeners. If you have a request, idea, PSA submission, or wish to ask us anything please don't hesitate to call, fax, or e-mail us.

Request Line: 206.421.8989
Business Line: 206.252.3800
Listener Service Line: 206.252.3802
Fax Line: 206.252.3805

10750 30th Ave NE Suite 219
Seattle WA, 98125

You can e-mail us through this provided form.

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C89.5 - 10750 30th Ave N.E. - Seattle, WA 98125 - Business: (206) 252-3800 - Studio: (206) 421-8989 - e-mail