Universal Licensing System
WJN9
DAKOTA RIDGE AVIATION INC
License details
| ULS identifier | 1979522 |
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| Call sign | WJN9 |
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| Radio service | AF |
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| Status | E |
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| Grant date | 2003-10-30 |
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| Expiration | 2008-12-01 |
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| Cancellation | 2009-01-31 |
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| Frequency range | 123.5 MHz |
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| Locations | 1 |
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| Representative location | BOULDER, BOULDER, CO |
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| Coordinates | 40.0333056, -105.2338889 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:11 |
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Licensee
| Name | DAKOTA RIDGE AVIATION INC |
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| Applicant type | C |
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| FRN | 0004534376 |
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| Location | BOULDER, CO |
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| Address | 3100 AIRPORT RD BOX F BOULDER ARPT, BOULDER, CO, 80301 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FAS | 123.50000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 123.50000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | BOULDER MUNICIPAL AIRPORT, BOULDER, BOULDER, CO | 40.03330556, -105.23388889 | 1612.000 m | B | 9.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2009-01-31 | WJN9 | LIEXP |
| 2008-09-08 | WJN9 | LETRES |
| 2003-10-30 | WJN9 | LIREN |
| 2003-09-04 | WJN9 | LETRES |
| 2001-04-27 | WJN9 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1979522 | 2026-08-02 02:08:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WJN9 | ULS 1979522 | 2026-08-02 02:08:11 |
| Status | E | ULS 1979522 | 2026-08-02 02:08:11 |
| Service | AF | ULS 1979522 | 2026-08-02 02:08:11 |
| Grant Date | 2003-10-30 | ULS 1979522 | 2026-08-02 02:08:11 |
| Expiration Date | 2008-12-01 | ULS 1979522 | 2026-08-02 02:08:11 |
| Cancellation Date | 2009-01-31 | ULS 1979522 | 2026-08-02 02:08:11 |