Universal Licensing System
KNAV839
First Energy Service Company dba Basic Energy Services
License details
| ULS identifier | 1849527 |
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| Call sign | KNAV839 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2005-09-02 |
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| Expiration | 2015-11-14 |
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| Cancellation | 2016-01-16 |
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| Frequency range | 452.175 - 457.175 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | ROCK SPRINGS, SWEETWATER, WY |
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| Coordinates | 41.4349722, -109.1181667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:55 |
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Licensee
| Name | First Energy Service Company dba Basic Energy Services |
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| Applicant type | C |
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| FRN | 0007670854 |
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| Location | Casper, WY |
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| Address | 907 N Poplar Street, Suite 210, Casper, WY, 82601 |
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| Phone | 3072669280 |
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| Email | [email protected] |
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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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| 2 | 1 | FB2 | 452.17500000 | | | 100.000000 | 150.000000 | |
| 3 | 1 | FB | 452.17500000 | | | 40.000000 | 40.000000 | |
| 4 | 1 | MO | 452.17500000 | | | 100.000000 | | |
| 1 | 1 | FX1 | 457.17500000 | | | 40.000000 | | |
| 3 | 1 | FX1 | 457.17500000 | | | 40.000000 | 40.000000 | |
| 4 | 1 | MO | 457.17500000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 452.17500000 | | 20K0F3E |
| 3 | 1 | 452.17500000 | | 20K0F3E |
| 4 | 1 | 452.17500000 | | 20K0F3E |
| 1 | 1 | 457.17500000 | | 20K0F3E |
| 3 | 1 | 457.17500000 | | 20K0F3E |
| 4 | 1 | 457.17500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WY | | | | | |
| 2 | T | ASPEN MOUNTAIN 12 MI SE, ROCK SPRINGS, SWEETWATER, WY | 41.43497222, -109.11816667 | 2597.000 m | | | N |
| 3 | T | 360 SIGNAL DR, ROCK SPRINGS, SWEETWATER, WY | 41.63386111, -109.26513889 | 1951.000 m | | | N |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 27.000 m | | | | | |
| 1 | 3 | T | | 11.000 m | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 360 SIGNAL DR, ROCK SPRINGS, WY | | 3073826582 |
License history
| Date | File or call sign | Action |
|---|
| 2016-01-16 | KNAV839 | LIEXP |
| 2015-08-24 | KNAV839 | LETRES |
| 2007-09-26 | KNAV839 | LIAUA |
| 2007-09-26 | KNAV839 | LTSAPR |
| 2005-09-02 | KNAV839 | LIREN |
| 2005-08-22 | KNAV839 | LETRES |
| 2005-05-16 | KNAV839 | LTSAPR |
| 2005-05-14 | KNAV839 | LIAUA |
| 2003-09-09 | KNAV839 | AUDOPR |
| 2003-09-04 | KNAV839 | LIASS |
| 2000-11-24 | KNAV839 | LICCNV |
| 2000-08-29 | KNAV839 | LIREN |
| 2000-08-29 | KNAV839 | AUTHPR |
| 2000-08-14 | KNAV839 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1849527 | 2026-08-02 01:16:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNAV839 | ULS 1849527 | 2026-08-02 01:16:55 |
| Status | E | ULS 1849527 | 2026-08-02 01:16:55 |
| Service | IG | ULS 1849527 | 2026-08-02 01:16:55 |
| Grant Date | 2005-09-02 | ULS 1849527 | 2026-08-02 01:16:55 |
| Expiration Date | 2015-11-14 | ULS 1849527 | 2026-08-02 01:16:55 |
| Cancellation Date | 2016-01-16 | ULS 1849527 | 2026-08-02 01:16:55 |