Universal Licensing System
KNK20
AT&T CORP
License details
| ULS identifier | 962388 |
|---|
| Call sign | KNK20 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1987-02-03 |
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| Expiration | 1998-01-28 |
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| Cancellation | 1998-01-28 |
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| Frequency range | 3810 - 4050 MHz (4 frequencies) |
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| Locations | 2 |
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| Coordinates | 34.8294167, -116.3361111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:06 |
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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 ST 15W24, ATLANTA, GA, 30309 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 3710.00000000 | | | | | |
| 1 | 2 | FXO | 3730.00000000 | | | | | |
| 1 | 3 | FXO | 3730.00000000 | | | | | |
| 1 | 2 | FXO | 3810.00000000 | | | | | |
| 1 | 3 | FXO | 3810.00000000 | | | | | |
| 1 | 4 | FXO | 3870.00000000 | | | | | |
| 1 | 2 | FXO | 3890.00000000 | | | | | |
| 1 | 3 | FXO | 3890.00000000 | | | | | |
| 1 | 2 | FXO | 3970.00000000 | | | | | |
| 1 | 2 | FXO | 4050.00000000 | | | | | |
| 1 | 3 | FXO | 4050.00000000 | | | | | |
| 1 | 2 | FXO | 4130.00000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11.5 MILES SSW OF, HECTOR, SAN BERNARDINO, CA | 34.64886111, -116.53166667 | 1353.000 m | | 23.200 m overall | |
| 2 | R | | 34.82941667, -116.33611111 | 960.100 m | | | |
| 3 | R | | 34.38583333, -117.05752778 | 1679.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | | 41.8000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 2 | 1 | T | | | V | | 239.0000 | | |
| 2 | 2 | R | | | | | | | |
| 2 | 3 | R | | | | | | | |
| 3 | 1 | T | | | V | | 41.8000 | | |
| 4 | 1 | T | | | H | | 239.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | KNK20 | LICCNV |
| 1998-01-28 | KNK20 | LICAN |
| 1987-02-03 | KNK20 | LIMOD |
| 1985-11-27 | KNK20 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 962388 | 2026-08-02 02:48:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNK20 | ULS 962388 | 2026-08-02 02:48:06 |
| Status | C | ULS 962388 | 2026-08-02 02:48:06 |
| Service | CF | ULS 962388 | 2026-08-02 02:48:06 |
| Grant Date | 1987-02-03 | ULS 962388 | 2026-08-02 02:48:06 |
| Expiration Date | 1998-01-28 | ULS 962388 | 2026-08-02 02:48:06 |
| Cancellation Date | 1998-01-28 | ULS 962388 | 2026-08-02 02:48:06 |