Universal Licensing System
WNNA491
State of Colorado
License details
| ULS identifier | 1226100 |
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| Call sign | WNNA491 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2024-12-13 |
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| Expiration | 2035-02-06 |
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| Frequency range | 45.24 MHz |
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| Locations | 1 |
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| Representative location | BOULDER, BOULDER, CO |
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| Coordinates | 39.9988611, -105.2516667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:39 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 45.24000000 | | | 100.000000 | 251.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 45.24000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 600 30TH ST, BOULDER, BOULDER, CO | 39.99886111, -105.25166667 | 1628.000 m | | 30.000 m structure | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | 0.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | UNIVERSITY OF COLORADO TRANSPORTATION CTR 3205 MARINE ST, BOULDER, CO | | 3034922752 |
License history
| Date | File or call sign | Action |
|---|
| 2024-12-13 | WNNA491 | LIREN |
| 2024-12-08 | WNNA491 | ESURNW |
| 2024-11-11 | WNNA491 | LETRES |
| 2024-01-31 | WNNA491 | LIAUA |
| 2014-12-05 | WNNA491 | LIREN |
| 2014-11-10 | WNNA491 | LETRES |
| 2014-11-08 | WNNA491 | ESURNW |
| 2011-07-08 | WNNA491 | LIAUA |
| 2011-07-07 | WNNA491 | ESUAPR |
| 2009-09-02 | WNNA491 | LIAUA |
| 2009-09-01 | WNNA491 | ESUAPR |
| 2008-07-29 | WNNA491 | LIAUA |
| 2008-07-28 | WNNA491 | ESCAPR |
| 2004-11-10 | WNNA491 | LIREN |
| 2002-03-11 | WNNA491 | AUDOPR |
| 2000-10-20 | WNNA491 | LICCNV |
| 1999-12-17 | WNNA491 | LIREN |
| 1999-12-17 | WNNA491 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1226100 | 2026-08-02 01:08:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNNA491 | ULS 1226100 | 2026-08-02 01:08:39 |
| Status | A | ULS 1226100 | 2026-08-02 01:08:39 |
| Service | PW | ULS 1226100 | 2026-08-02 01:08:39 |
| Grant Date | 2024-12-13 | ULS 1226100 | 2026-08-02 01:08:39 |
| Expiration Date | 2035-02-06 | ULS 1226100 | 2026-08-02 01:08:39 |