🇺🇸 Radius

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Radius is an experimental radio broadcast platform located in Chicago, IL, USA. Radius features episodes with statements by artists who use radio as a primary element in their work.

Jeff Kolar, Founder & Director
Nick Ferreira, Designer
Meg T. Noe, Documentarian
Nick Briz, Web Developer

Radius is made possible through the generous support and contribution of numerous collaborators: Jeff Kolar, Founder and Director, 2010-present; Nick Ferreira, Designer, 2012-present; Meg T. Noe, Documentarian, 2015-present; Nick Briz, Web Developer 2020; Amelia Ishmael, Editor, 2016-2018; Nicholas Davis, Technical Assistant, 2016-2018; Meredith Kooi, Editor and Assistant Director, 2011-2016; Stephanie Acosta, Documentarian, 2014; Rob Ray, Advisor, 2012-2014; Noé Cuéllar, Advisor, 2012-2014


Radius broadcasts are powered using the Audio Relay Unit, a mobile Low Power FM radio project developed in 2002 by Intermod Series and Temporary Services. Radius transmits 4-watts using either AC electricity or solar panels that charge a 12 volt car battery.


89.7-FM Chicago & Online


Radius broadcasts occur on a schedule determined by the featured artist, with works varying in length and repetition. Subscribe to our newsletter for exact dates and times of broadcasts. Radius does not operate as a 24/7/365 broadcast. We do not require artists to adhere to a strict durational format.

For upcoming announcements, subscribe to the Radius email newsletter. Radius does not sell, barter, or lend its email subscription list to outsider parties.

Online stream presented in partnership with Wave Farm Radio.


Radius accepts submissions for upcoming episodes on an ongoing basis. To be considered for review, please submit the following material to info@theradius.us:

Artist/group name
Title of work
Work statement
Artist/group biography
Audio (WAV preferred)
Image (300 dpi preferred)

To submit CDs, cassettes, vinyls, and other physical formats by mail, email us for a shipping address.


For all other questions contact Radius at info@theradius.us

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