FCC Registration Number
FRN 0006024319
ULS licenses
| Grant date | Call sign | Service | Status | Licensee |
|---|---|---|---|---|
| 1981-07-10 | WDD685 | AS | A | BOULDER COMMUNITY BROADCAST ASSOCIATION, INC. |
LMS filings
| Filed | File number | Call sign | Expiration |
|---|---|---|---|
| 2026-02-10 | 0000289477 | KGNU-FM | |
| 2025-09-15 | 0000278359 | KGNU-FM | 2026-03-22 |
| 2025-09-15 | 0000278364 | KGNU | |
| 2025-09-15 | 0000278357 | KGNU-FM | |
| 2025-04-16 | 0000269509 | KGNU-FM | 2028-02-03 |
| 2025-03-21 | 0000268340 | KGNU | 2025-09-23 |
| 2025-01-03 | 0000262026 | KGNU-FM | 2028-02-03 |
| 2024-09-26 | 0000254703 | KGNU | |
| 2024-09-19 | 0000254173 | KGNU | 2025-03-23 |
| 2024-03-27 | 0000242374 | KGNU | 2024-09-23 |
| 2023-11-20 | 0000227013 | ||
| 2023-08-30 | 0000220156 | K203FQ | 2026-09-19 |
| 2022-12-01 | 0000204659 | K256CT | |
| 2022-10-19 | 0000202592 | K254CH | 2029-04-01 |
| 2022-10-12 | 0000202347 | K256CT | 2029-04-01 |
| 2022-09-27 | BZ-20220922AAG | KGNU | |
| 2022-09-19 | 0000200058 | K256CT | 2025-10-10 |
| 2022-09-12 | 0000199721 | K254CH | 2025-10-03 |
| 2022-08-29 | 0000198612 | K256CT | |
| 2022-08-29 | 0000198609 | K256CT | 2029-04-01 |
| 2022-08-26 | 0000198448 | K256CT | |
| 2022-04-05 | BLSTA-20220405AAD | K256CT | 2023-04-01 |
| 2022-02-01 | 0000184188 | K256CT | 2025-02-16 |
| 2021-11-23 | 0000170926 | ||
| 2021-08-16 | 0000157412 | KGNU-FM | 2025-01-12 |
| 2021-03-22 | 0000128206 | K229AC | 2029-04-01 |
| 2021-03-22 | 0000128207 | K254CH | 2029-04-01 |
| 2020-12-01 | 0000129028 | K256CT | 2029-04-01 |
| 2020-11-30 | 0000128187 | KGNU | 2029-04-01 |
| 2020-11-30 | 0000128153 | KGNU-FM | 2021-04-01 |
| 2020-11-30 | 0000128205 | KGNU-FM | 2029-04-01 |
| 2020-11-19 | 0000126658 | K256CT | 2021-04-01 |
| 2020-01-28 | 0000101275 | ||
| 2018-02-27 | 0000044250 | ||
| 2018-01-09 | BLFT-20180109ABW | K256CT | |
| 2018-01-09 | BLFT-20180109ABW | K256CT | |
| 2017-01-09 | BOS-20170109AAE | K254CH | 2029-04-01 |
| 2016-11-28 | BOA-20161128AFD | KGNU-FM | 2029-04-01 |
| 2016-09-23 | BALFT-20160923ADP | K254CH | |
| 2016-07-28 | BMPFT-20160728AFW | K256CT | 2019-06-15 |
| 2016-07-28 | BMPFT-20160728AFQ | K256CT | |
| 2016-06-01 | BPFT-20160601AGY | K256CT | 2019-06-15 |
| 2015-12-08 | BALFT-20151208AEO | K254CH | |
| 2015-12-08 | BALFT-20151208AEO | K254CH | |
| 2015-08-13 | BLFT-20150813ACD | K254CH | |
| 2015-05-12 | BOS-20150512ADD | KGNU-FM | 2029-04-01 |
| 2015-04-06 | BTC-20150406ACC | KGNU | |
| 2015-02-10 | BPFT-20150210ABL | K254CH | 2018-03-16 |
| 2014-11-21 | BOA-20141121AKK | KGNU-FM | 2029-04-01 |
| 2014-10-07 | BLFT-20141007ABY | K254CH | |
| 2013-05-31 | BRFT-20130531ACS | K256CT | |
| 2013-05-17 | BRFT-20130517ACX | K254CH | |
| 2012-11-30 | BPFT-20121130BUQ | K254CH | 2017-01-31 |
| 2012-11-27 | BR-20121127AHM | KGNU | |
| 2012-11-27 | BRED-20121127AHU | KGNU-FM | |
| 2012-11-27 | BRFT-20121127AHW | K229AC | |
| 2012-11-27 | BRFT-20121127AHV | K206DB | |
| 2012-11-27 | BOA-20121127AGY | KGNU-FM | 2029-04-01 |
| 2011-11-17 | RES-1465491 | K252EA | |
| 2011-07-11 | BLESTA-20110711ABT | K252EA | 2011-11-18 |
| 2011-03-01 | BLFT-20110301ACJ | K254CH | |
| 2010-11-30 | BOA-20101130AIK | KGNU-FM | 2029-04-01 |
| 2010-11-17 | BPFT-20101117BHU | K254CH | 2014-02-18 |
| 2010-11-16 | BLSTA-20101116BHA | K252EA | 2011-07-11 |
| 2010-11-01 | BLFT-20101101AAE | K254CH | |
| 2010-05-28 | BLED-20100528ADY | KGNU-FM | |
| 2010-05-28 | 20100528AEY | KGNU-FM | |
| 2010-05-28 | BLED-20100528ADY | KGNU-FM | |
| 2010-05-10 | BMPFT-20100510BDM | K254CH | 2012-02-27 |
| 2010-05-10 | BPFT-20100510BDM | K254CH | |
| 2009-08-03 | RES-1326011 | K210EC | |
| 2009-02-26 | BDNED-20090226ACT | ||
| 2009-02-25 | BPFT-20090225AAF | K254CH | 2012-02-27 |
| 2009-01-12 | BOS-20090112ANA | KGNU-FM | 2029-04-01 |
| 2008-12-01 | BOA-20081201AEA | KGNU-FM | 2029-04-01 |
| 2008-12-01 | BTCED-20081201AEF | KGNU-FM | |
| 2008-09-18 | BLSTA-20080918AEM | K210EC | 2009-08-07 |
| 2008-07-22 | BALFT-20080722AEY | K254CH | |
| 2008-04-09 | BPED-20080409AAD | KGNU-FM | 2011-06-13 |
| 2007-06-04 | BZ-20070524AFQ | KGNU | |
| 2007-05-18 | BLFT-20070518ABR | K256CT | |
| 2007-05-15 | BMPFT-20070515AEQ | K256CT | 2007-05-19 |
| 2006-12-18 | BLFT-20061218ACR | K229AC | |
| 2006-12-18 | BLFT-20061218ACR | K229AC | |
| 2006-12-01 | BOA-20061201BQM | KGNU-FM | 2029-04-01 |
| 2006-08-23 | BLFT-20060823ACG | K254CH | |
| 2006-08-02 | BOS-20060802AAF | KGNU-FM | 2029-04-01 |
| 2006-06-22 | BTC-20060622ABF | KGNU | |
| 2006-06-06 | BDN-20060606AGS | KGNU | |
| 2005-01-03 | BOS-20050103AID | KGNU | 2029-04-01 |
| 2004-12-01 | BRFT-20041201BDC | K229AC | |
| 2004-12-01 | BRED-20041201BDB | KGNU-FM | |
| 2004-12-01 | BRFT-20041201BDD | K206DB | |
| 2004-12-01 | BON-20041201BBD | KGNU-FM | 2029-04-01 |
| 2004-12-01 | BR-20041201BEM | KGNU | |
| 2004-10-12 | BAL-20041012AIO | KGNU | |
| 2004-09-27 | BAPFT-20040927ACO | K254CH | |
| 2004-09-27 | BAPFT-20040927ACO | K254CH | |
| 2004-09-22 | BML-20040914AGC | KGNU | |
| 2003-12-08 | BOA-20031208BQT | KGNU-FM | 2029-04-01 |
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