Universal Licensing System
WDU255
SOUTHWESTERN BELL TELEPHONE COMPANY
License details
| ULS identifier | 973855 |
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| Call sign | WDU255 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1989-11-16 |
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| Expiration | 1997-04-25 |
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| Cancellation | 1997-04-25 |
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| Frequency range | 6034.2 - 6152.8 MHz (3 frequencies) |
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| Locations | 4 |
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| Representative location | IOLA, ALLEN, KS |
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| Coordinates | 37.9264167, -95.3516389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:51 |
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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 | 6034.20000000 | | | | | |
| 1 | 3 | FXO | 6034.20000000 | | | | | |
| 1 | 2 | FXO | 6093.50000000 | | | | | |
| 1 | 1 | FXO | 6152.80000000 | | | | | |
| 1 | 3 | FXO | 6152.80000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6034.20000000 | | 30M0F7W |
| 1 | 3 | 6034.20000000 | | 30M0F7W |
| 1 | 2 | 6093.50000000 | | 30M0F7W |
| 1 | 1 | 6152.80000000 | | 30M0F7W |
| 1 | 3 | 6152.80000000 | | 30M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3 MI SW OF, IOLA, ALLEN, KS | 37.92641667, -95.35163889 | 322.800 m | | 50.600 m overall | |
| 2 | R | | 38.15388889, -95.24163889 | 359.700 m | | | |
| 3 | R | | 37.68086111, -95.45691667 | 287.700 m | | | |
| 4 | R | | 37.89891667, -95.00272222 | 332.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 43.5000 | 20.9000 | | |
| 1 | 2 | R | | | | 43.5000 | | | |
| 1 | 3 | R | | | | 43.5000 | | | |
| 1 | 4 | R | | | | 43.5000 | | | |
| 2 | 1 | T | | | V | 43.5000 | 95.6000 | | |
| 3 | 1 | T | | | V | 43.5000 | 198.8000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WDU255 | LICCNV |
| 1997-04-25 | WDU255 | LICAN |
| 1989-11-16 | WDU255 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 973855 | 2026-08-02 02:47:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WDU255 | ULS 973855 | 2026-08-02 02:47:51 |
| Status | C | ULS 973855 | 2026-08-02 02:47:51 |
| Service | CF | ULS 973855 | 2026-08-02 02:47:51 |
| Grant Date | 1989-11-16 | ULS 973855 | 2026-08-02 02:47:51 |
| Expiration Date | 1997-04-25 | ULS 973855 | 2026-08-02 02:47:51 |
| Cancellation Date | 1997-04-25 | ULS 973855 | 2026-08-02 02:47:51 |