Universal Licensing System
WLB253
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 987747 |
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| Call sign | WLB253 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1991-04-01 |
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| Expiration | 2001-02-01 |
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| Cancellation | 1997-10-29 |
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| Frequency range | 5945.2 - 6063.8 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | SHREVEPORT, CADDO, LA |
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| Coordinates | 32.5145833, -93.7501667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:52 |
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Licensee
| Name | MCI WORLDCOM NETWORK SERVICES INC |
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| Applicant type | C |
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| Location | RICHARDSON, TX |
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| Address | 2270 LAKESIDE DR, RICHARDSON, TX, 75082 |
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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 | 5945.20000000 | | | | | |
| 1 | 1 | FXO | 6004.50000000 | | | | | |
| 1 | 1 | FXO | 6063.80000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | JOHN BECK BUILDNG, SHREVEPORT, CADDO, LA | 32.51458333, -93.75016667 | 62.500 m | | 81.100 m overall | |
| 2 | R | | 32.81736111, -93.61933333 | 114.300 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 | | 20.0000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
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| 1999-08-13 | WLB253 | LICCNV |
| 1997-12-22 | WLB253 | COR |
| 1997-10-29 | WLB253 | LICAN |
| 1991-04-01 | WLB253 | LIREN |
| 1984-11-27 | WLB253 | LIMOD |
| 1984-11-09 | WLB253 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 987747 | 2026-08-02 02:47:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLB253 | ULS 987747 | 2026-08-02 02:47:52 |
| Status | C | ULS 987747 | 2026-08-02 02:47:52 |
| Service | CF | ULS 987747 | 2026-08-02 02:47:52 |
| Grant Date | 1991-04-01 | ULS 987747 | 2026-08-02 02:47:52 |
| Expiration Date | 2001-02-01 | ULS 987747 | 2026-08-02 02:47:52 |
| Cancellation Date | 1997-10-29 | ULS 987747 | 2026-08-02 02:47:52 |