Universal Licensing System
WDU611
SOUTHWESTERN BELL TELEPHONE COMPANY
License details
| ULS identifier | 974007 |
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| Call sign | WDU611 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1990-08-24 |
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| Expiration | 2000-08-01 |
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| Cancellation | 1994-06-08 |
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| Frequency range | 6256.5 MHz |
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| Locations | 2 |
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| Representative location | CARRIZO SPRINGS, DIMMIT, TX |
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| Coordinates | 28.5302500, -99.8792222 |
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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 | SOUTHWESTERN BELL TELEPHONE COMPANY |
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| Applicant type | C |
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| Location | DALLAS, TX |
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| Address | ONE BELL PLAZA RM 3350, DALLAS, TX, 752655521 |
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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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| 1 | 1 | FXO | 6256.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 6256.50000000 | | 30M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1.1 MI NW OF, CARRIZO SPRINGS, DIMMIT, TX | 28.53025000, -99.87922222 | 202.100 m | | 32.300 m overall | |
| 2 | R | | 28.57386111, -99.56947222 | 164.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | 43.5000 | 80.9000 | | |
| 1 | 2 | R | | | | 43.5000 | | | |
License history
| Date | File or call sign | Action |
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| 1999-12-14 | WDU611 | COR |
| 1999-08-13 | WDU611 | LICCNV |
| 1990-08-24 | WDU611 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 974007 | 2026-08-02 02:48:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WDU611 | ULS 974007 | 2026-08-02 02:48:06 |
| Status | C | ULS 974007 | 2026-08-02 02:48:06 |
| Service | CF | ULS 974007 | 2026-08-02 02:48:06 |
| Grant Date | 1990-08-24 | ULS 974007 | 2026-08-02 02:48:06 |
| Expiration Date | 2000-08-01 | ULS 974007 | 2026-08-02 02:48:06 |
| Cancellation Date | 1994-06-08 | ULS 974007 | 2026-08-02 02:48:06 |