Universal Licensing System
WLB999
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 988196 |
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| Call sign | WLB999 |
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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 | 5974.8 - 6034.2 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | CHATTANOOGA, HAMILTON, TN |
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| Coordinates | 35.0483889, -85.3121667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:00 |
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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 | 5974.80000000 | | | | | |
| 1 | 1 | FXO | 5974.85000000 | | | | | |
| 1 | 1 | FXO | 6034.15000000 | | | | | |
| 1 | 1 | FXO | 6034.20000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 633 CHESNUT AVE, CHATTANOOGA, HAMILTON, TN | 35.04838889, -85.31216667 | 207.300 m | | 81.100 m overall | |
| 2 | R | | 34.97061111, -85.08605556 | 412.100 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 | | 112.6000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
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| 1999-08-13 | WLB999 | LICCNV |
| 1997-10-29 | WLB999 | LICAN |
| 1997-06-17 | WLB999 | COR |
| 1991-04-01 | WLB999 | LIREN |
| 1985-09-26 | WLB999 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 988196 | 2026-08-02 02:48:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLB999 | ULS 988196 | 2026-08-02 02:48:00 |
| Status | C | ULS 988196 | 2026-08-02 02:48:00 |
| Service | CF | ULS 988196 | 2026-08-02 02:48:00 |
| Grant Date | 1991-04-01 | ULS 988196 | 2026-08-02 02:48:00 |
| Expiration Date | 2001-02-01 | ULS 988196 | 2026-08-02 02:48:00 |
| Cancellation Date | 1997-10-29 | ULS 988196 | 2026-08-02 02:48:00 |