Universal Licensing System
WLK466
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 993168 |
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| Call sign | WLK466 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 1993-11-18 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2001-05-06 |
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| Frequency range | 27500 - 40000 MHz (6 frequencies) |
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| Locations | 1 |
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| Representative location | US |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:04 |
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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 | 400 INTERNATIONAL PKWY, RICHARDSON, TX, 75081 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX5 | 2110.00000000 | 2130.00000000 | | | | |
| 1 | 1 | FX5 | 2160.00000000 | 2180.00000000 | | | | |
| 1 | 1 | FX5 | 3700.00000000 | 4200.00000000 | | | | |
| 1 | 1 | FX5 | 5925.00000000 | 6425.00000000 | | | | |
| 1 | 1 | FX5 | 10550.00000000 | 10565.00000000 | | | | |
| 1 | 1 | FX5 | 10615.00000000 | 10630.00000000 | | | | |
| 1 | 1 | FX5 | 10700.00000000 | 11700.00000000 | | | | |
| 1 | 1 | FX5 | 13200.00000000 | 13250.00000000 | | | | |
| 1 | 1 | FX5 | 17700.00000000 | 18820.00000000 | | | | |
| 1 | 1 | FX5 | 18920.00000000 | 19160.00000000 | | | | |
| 1 | 1 | FX5 | 19260.00000000 | 19700.00000000 | | | | |
| 1 | 1 | FX5 | 21200.00000000 | 23600.00000000 | | | | |
| 1 | 1 | FX5 | 27500.00000000 | 29500.00000000 | | | | |
| 1 | 1 | FX5 | 31000.00000000 | 31300.00000000 | | | | |
| 1 | 1 | FX5 | 38600.00000000 | 40000.00000000 | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | NATIONWIDE, US | | | | 6.100 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | S | | | | |
| 2 | 1 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-06 | WLK466 | LIEXP |
| 2000-11-13 | WLK466 | LETRES |
| 1999-08-14 | WLK466 | LICCNV |
| 1997-09-16 | WLK466 | COR |
| 1996-07-31 | WLK466 | COR |
| 1993-11-18 | WLK466 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 993168 | 2026-08-02 02:48:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLK466 | ULS 993168 | 2026-08-02 02:48:04 |
| Status | E | ULS 993168 | 2026-08-02 02:48:04 |
| Service | CF | ULS 993168 | 2026-08-02 02:48:04 |
| Grant Date | 1993-11-18 | ULS 993168 | 2026-08-02 02:48:04 |
| Expiration Date | 2001-02-01 | ULS 993168 | 2026-08-02 02:48:04 |
| Cancellation Date | 2001-05-06 | ULS 993168 | 2026-08-02 02:48:04 |