Universal Licensing System
WPNU489
THE HEARN COMPANY
License details
| ULS identifier | 1806829 |
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| Call sign | WPNU489 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2004-06-17 |
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| Expiration | 2014-06-22 |
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| Cancellation | 2014-08-23 |
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| Frequency range | 451.725 - 456.725 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | DENVER, DENVER, CO |
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| Coordinates | 39.7458333, -104.9910833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:31 |
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Licensee
| Name | THE HEARN COMPANY |
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| Applicant type | C |
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| FRN | 0011083250 |
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| Location | DENVER, CO |
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| Address | 621 17TH ST #2155, DENVER, CO, 80293 |
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| Phone | 3032980048 |
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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 | FB2 | 451.72500000 | | | 50.000000 | 75.000000 | |
| 2 | 1 | MO | 451.72500000 | | | 4.000000 | | |
| 2 | 1 | MO | 456.72500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.72500000 | | 20K0F3E |
| 2 | 1 | 451.72500000 | | 20K0F3E |
| 2 | 1 | 456.72500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 621 17TH ST, DENVER, DENVER, CO | 39.74583333, -104.99108333 | 1588.000 m | B | 76.000 m structure / 76.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | 20.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 621 17TH ST #2155, DENVER, CO | | 3032980048 |
License history
| Date | File or call sign | Action |
|---|
| 2014-08-23 | WPNU489 | LIEXP |
| 2014-03-31 | WPNU489 | LETRES |
| 2004-06-17 | WPNU489 | LTSAPR |
| 2004-06-17 | WPNU489 | LTSFRN |
| 2004-03-29 | WPNU489 | LETRES |
| 2002-01-23 | WPNU489 | AUDOPR |
| 2000-11-23 | WPNU489 | LICCNV |
| 1999-06-22 | WPNU489 | AUTHPR |
| 1999-06-22 | WPNU489 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1806829 | 2026-08-02 01:17:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNU489 | ULS 1806829 | 2026-08-02 01:17:31 |
| Status | E | ULS 1806829 | 2026-08-02 01:17:31 |
| Service | IG | ULS 1806829 | 2026-08-02 01:17:31 |
| Grant Date | 2004-06-17 | ULS 1806829 | 2026-08-02 01:17:31 |
| Expiration Date | 2014-06-22 | ULS 1806829 | 2026-08-02 01:17:31 |
| Cancellation Date | 2014-08-23 | ULS 1806829 | 2026-08-02 01:17:31 |