Universal Licensing System
KNEW457
EVERGREEN ENERGY CORPORATION & ENNEX INVESTORS DBA EVERGREEN ENERGY CO
License details
| ULS identifier | 1837988 |
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| Call sign | KNEW457 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-02-24 |
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| Expiration | 2003-02-18 |
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| Cancellation | 2003-05-25 |
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| Frequency range | 451.425 - 456.425 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | BATON ROUGE, EAST BATON ROUGE, LA |
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| Coordinates | 30.5301944, -91.0365000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:12 |
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Licensee
| Name | EVERGREEN ENERGY CORPORATION & ENNEX INVESTORS DBA EVERGREEN ENERGY CO |
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| Applicant type | C |
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| Location | BATON ROUGE, LA |
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| Address | 8455 ROME DR, BATON ROUGE, LA, 70818 |
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| Phone | 9184927300 |
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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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| 3 | 1 | FB2 | 451.42500000 | | | 75.000000 | | |
| 1 | 1 | FX1 | 456.42500000 | | | 15.000000 | | |
| 2 | 1 | MO | 456.42500000 | | | 75.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.42500000 | | 20K0F3E |
| 1 | 1 | 456.42500000 | | 20K0F3E |
| 2 | 1 | 456.42500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | LA | | | | | |
| 2 | T | | | | | | |
| 3 | T | 8455 ROME DR, BATON ROUGE, EAST BATON ROUGE, LA | 30.53019444, -91.03650000 | 17.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 48.000 m | | | | 0.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 8455 ROME DR, BATON ROUGE, LA | | 9184927300 |
| 2 | | | 9184927300 |
License history
| Date | File or call sign | Action |
|---|
| 2003-05-25 | KNEW457 | LIEXP |
| 2002-11-25 | KNEW457 | LETRES |
| 2002-05-01 | KNEW457 | LETAUS |
| 2000-11-23 | KNEW457 | LICCNV |
| 1998-02-24 | KNEW457 | AUTHPR |
| 1998-02-24 | KNEW457 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1837988 | 2026-08-02 01:27:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNEW457 | ULS 1837988 | 2026-08-02 01:27:12 |
| Status | E | ULS 1837988 | 2026-08-02 01:27:12 |
| Service | IG | ULS 1837988 | 2026-08-02 01:27:12 |
| Grant Date | 1998-02-24 | ULS 1837988 | 2026-08-02 01:27:12 |
| Expiration Date | 2003-02-18 | ULS 1837988 | 2026-08-02 01:27:12 |
| Cancellation Date | 2003-05-25 | ULS 1837988 | 2026-08-02 01:27:12 |