Universal Licensing System
WDU521
SOUTHWESTERN BELL TELEPHONE COMPANY
License details
| ULS identifier | 973953 |
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| Call sign | WDU521 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1994-07-08 |
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| Expiration | 2000-08-01 |
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| Cancellation | 1997-11-25 |
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| Frequency range | 11055 MHz |
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| Locations | 3 |
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| Representative location | EMPORIA, LYON, KS |
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| Coordinates | 38.4077778, -96.1808056 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:43 |
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Licensee
| Name | SOUTHWESTERN BELL TELEPHONE COMPANY |
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| Applicant type | C |
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| Location | ST LOUIS, MO |
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| Address | 100 N TUCKER RM 9-B-8, ST LOUIS, MO, 63101 |
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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 | 11055.00000000 | | | | | |
| 1 | 2 | FXO | 11055.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11055.00000000 | | 40M0F7W |
| 1 | 2 | 11055.00000000 | | 20M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 28 W 8TH, EMPORIA, LYON, KS | 38.40777778, -96.18080556 | 350.800 m | | 43.600 m overall | |
| 2 | R | | 38.42083333, -96.39388889 | 357.500 m | | | |
| 3 | R | | 38.55111111, -96.31497222 | 367.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 48.3000 | 274.5000 | | |
| 1 | 2 | R | | | | 48.3000 | | | |
| 1 | 3 | R | | | | 48.3000 | | | |
| 2 | 1 | T | | | V | 48.3000 | 323.7000 | | |
License history
| Date | File or call sign | Action |
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| 1999-08-13 | WDU521 | LICCNV |
| 1997-11-25 | WDU521 | LICAN |
| 1994-07-08 | WDU521 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 973953 | 2026-08-02 02:47:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WDU521 | ULS 973953 | 2026-08-02 02:47:43 |
| Status | C | ULS 973953 | 2026-08-02 02:47:43 |
| Service | CF | ULS 973953 | 2026-08-02 02:47:43 |
| Grant Date | 1994-07-08 | ULS 973953 | 2026-08-02 02:47:43 |
| Expiration Date | 2000-08-01 | ULS 973953 | 2026-08-02 02:47:43 |
| Cancellation Date | 1997-11-25 | ULS 973953 | 2026-08-02 02:47:43 |