Universal Licensing System
KOY54
AT&T CORP
License details
| ULS identifier | 963040 |
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| Call sign | KOY54 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2000-02-15 |
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| Expiration | 2010-02-01 |
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| Cancellation | 2000-09-25 |
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| Frequency range | 4150 - 4198 MHz (3 frequencies) |
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| Locations | 1 |
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| Coordinates | 46.9244444, -105.1658056 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:13 |
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Licensee
| Name | AT&T CORP |
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| Applicant type | C |
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| Location | ATLANTA, GA |
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| Address | 1200 PEACHTREE STREET, LOCN 5W23, ATLANTA, GA, 30309 |
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| Phone | 4048104021 |
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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 |
|---|
| 1 | 1 | FXO | 4150.00000000 | | | | | |
| 1 | 2 | FXO | 4170.00000000 | | | | | |
| 1 | 3 | FXO | 4198.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4150.00000000 | | 20M0D7W |
| 1 | 2 | 4170.00000000 | | 20M0D7W |
| 1 | 3 | 4198.00000000 | | 850KF8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11 MI E OF, GLENDIVE, DAWSON, MT | 47.12027778, -104.47855556 | 841.200 m | | 74.700 m overall | |
| 2 | R | | 46.87805556, -103.83991667 | 1036.300 m | | | |
| 3 | R | | 46.92444444, -105.16580556 | 883.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 39.5000 | 118.8000 | | |
| 1 | 2 | R | | | | 39.5000 | | | |
| 1 | 3 | R | | | | 39.5000 | | | |
| 2 | 1 | T | | | V | 39.5000 | 118.8000 | | |
| 2 | 2 | R | | | | 39.5000 | | | |
| 3 | 1 | T | | | H | 39.5000 | 247.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-09-26 | KOY54 | LICAN |
| 2000-07-12 | KOY54 | LIAUA |
| 2000-02-15 | KOY54 | LIREN |
| 1999-11-06 | KOY54 | LETRES |
| 1999-08-13 | KOY54 | LICCNV |
| 1998-06-18 | KOY54 | COR |
| 1997-04-15 | KOY54 | LIMOD |
| 1994-11-21 | KOY54 | LIMOD |
| 1991-03-08 | KOY54 | LIMOD |
| 1991-01-25 | KOY54 | LIMOD |
| 1990-01-31 | KOY54 | LIMOD |
| 1990-01-16 | KOY54 | LIREN |
| 1988-08-15 | KOY54 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 963040 | 2026-08-02 02:48:13 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KOY54 | ULS 963040 | 2026-08-02 02:48:13 |
| Status | C | ULS 963040 | 2026-08-02 02:48:13 |
| Service | CF | ULS 963040 | 2026-08-02 02:48:13 |
| Grant Date | 2000-02-15 | ULS 963040 | 2026-08-02 02:48:13 |
| Expiration Date | 2010-02-01 | ULS 963040 | 2026-08-02 02:48:13 |
| Cancellation Date | 2000-09-25 | ULS 963040 | 2026-08-02 02:48:13 |