Universal Licensing System
WLA690
AT&T CORP
License details
| ULS identifier | 987474 |
|---|
| Call sign | WLA690 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1990-01-16 |
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| Expiration | 2000-02-01 |
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| Cancellation | 1999-05-05 |
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| Frequency range | 11245 - 11565 MHz (9 frequencies) |
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| Locations | 3 |
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| Representative location | DIABLO, CONTRA COSTA, CA |
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| Coordinates | 37.8785278, -121.9205000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:03 |
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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 | 11245.00000000 | | | | | |
| 1 | 2 | FXO | 11245.00000000 | | | | | |
| 1 | 3 | FXO | 11285.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 3 | FXO | 11365.00000000 | | | | | |
| 1 | 2 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 1 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 3 | FXO | 11525.00000000 | | | | | |
| 1 | 4 | FXO | 11525.00000000 | | | | | |
| 1 | 2 | FXO | 11565.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11245.00000000 | | 40M0A7W |
| 1 | 2 | 11245.00000000 | | 40M0A7W |
| 1 | 3 | 11285.00000000 | | 40M0A7W |
| 1 | 2 | 11325.00000000 | | 40M0A7W |
| 1 | 3 | 11365.00000000 | | 40M0A7W |
| 1 | 2 | 11405.00000000 | | 40M0A7W |
| 1 | 3 | 11445.00000000 | | 40M0A7W |
| 1 | 1 | 11485.00000000 | | 40M0A7W |
| 1 | 2 | 11485.00000000 | | 40M0A7W |
| 1 | 3 | 11525.00000000 | | 40M0A7W |
| 1 | 4 | 11525.00000000 | | 40M0A7W |
| 1 | 2 | 11565.00000000 | | 40M0A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3.6 MILES NE OF, DIABLO, CONTRA COSTA, CA | 37.87852778, -121.92050000 | 1083.300 m | | 35.700 m overall | |
| 2 | R | | 37.65547222, -122.00272222 | 456.600 m | | | |
| 3 | R | | 37.92408333, -122.06438889 | 33.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | | 196.3000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 2 | 1 | T | | | H | | 291.8000 | | |
| 2 | 2 | R | | | | | | | |
| 2 | 3 | R | | | | | | | |
| 3 | 1 | T | | | H | | 196.3000 | | |
| 4 | 1 | T | | | V | | 291.8000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WLA690 | LICCNV |
| 1999-05-05 | WLA690 | LICAN |
| 1998-06-18 | WLA690 | COR |
| 1990-01-16 | WLA690 | LIREN |
| 1988-06-02 | WLA690 | LIMOD |
| 1988-04-21 | WLA690 | LIMOD |
| 1988-01-29 | WLA690 | LIMOD |
| 1986-01-31 | WLA690 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 987474 | 2026-08-02 02:48:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLA690 | ULS 987474 | 2026-08-02 02:48:03 |
| Status | C | ULS 987474 | 2026-08-02 02:48:03 |
| Service | CF | ULS 987474 | 2026-08-02 02:48:03 |
| Grant Date | 1990-01-16 | ULS 987474 | 2026-08-02 02:48:03 |
| Expiration Date | 2000-02-01 | ULS 987474 | 2026-08-02 02:48:03 |
| Cancellation Date | 1999-05-05 | ULS 987474 | 2026-08-02 02:48:03 |