Universal Licensing System
KAR57
AT&T CORP
License details
| ULS identifier | 955791 |
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| Call sign | KAR57 |
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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 | 2000-10-16 |
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| Frequency range | 4110 - 4130 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | SENTINEL BUTTE, GOLDEN VALLEY, ND |
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| Coordinates | 46.8780556, -103.8399167 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:07 |
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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 | 4110.00000000 | | | | | |
| 1 | 2 | FXO | 4110.00000000 | | | | | |
| 1 | 3 | FXO | 4130.00000000 | | | | | |
| 1 | 4 | FXO | 4130.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4110.00000000 | | 20M0D7W |
| 1 | 2 | 4110.00000000 | | 20M0D7W |
| 1 | 3 | 4130.00000000 | | 20M0D7W |
| 1 | 4 | 4130.00000000 | | 20M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3.5 MI S OF, SENTINEL BUTTE, GOLDEN VALLEY, ND | 46.87805556, -103.83991667 | 1036.300 m | | 86.900 m overall | |
| 2 | R | | 46.88916667, -103.32766667 | 873.300 m | | | |
| 3 | R | | 47.12027778, -104.47855556 | 841.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 39.5000 | 88.0000 | | |
| 1 | 2 | R | | | | 39.2000 | | | |
| 1 | 3 | R | | | | 39.5000 | | | |
| 2 | 1 | T | | | H | 39.5000 | 299.2000 | | |
| 2 | 2 | R | | | | 39.2000 | | | |
| 2 | 3 | R | | | | 39.5000 | | | |
| 3 | 1 | T | | | H | 39.5000 | 88.0000 | | |
| 4 | 1 | T | | | V | 39.5000 | 299.2000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-10-17 | KAR57 | LICAN |
| 2000-07-12 | KAR57 | LIAUA |
| 2000-02-15 | KAR57 | LIREN |
| 1999-11-06 | KAR57 | LETRES |
| 1999-08-13 | KAR57 | LICCNV |
| 1994-01-21 | KAR57 | LIMOD |
| 1993-10-20 | KAR57 | LIMOD |
| 1990-12-26 | KAR57 | LIMOD |
| 1990-01-16 | KAR57 | LIREN |
| 1988-03-15 | KAR57 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 955791 | 2026-08-02 02:48:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KAR57 | ULS 955791 | 2026-08-02 02:48:07 |
| Status | C | ULS 955791 | 2026-08-02 02:48:07 |
| Service | CF | ULS 955791 | 2026-08-02 02:48:07 |
| Grant Date | 2000-02-15 | ULS 955791 | 2026-08-02 02:48:07 |
| Expiration Date | 2010-02-01 | ULS 955791 | 2026-08-02 02:48:07 |
| Cancellation Date | 2000-10-16 | ULS 955791 | 2026-08-02 02:48:07 |