Universal Licensing System
WLK485
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 993185 |
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| Call sign | WLK485 |
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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 | 2000-04-04 |
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| Frequency range | 6226.89 - 10935 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | LAGUNA, VENTURA, CA |
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| Coordinates | 34.4088611, -119.4237222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:12 |
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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 | 6226.89000000 | | | | | |
| 1 | 1 | FXO | 6286.19000000 | | | | | |
| 1 | 2 | FXO | 10775.00000000 | | | | | |
| 1 | 2 | FXO | 10935.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6226.89000000 | | 30M0F7W |
| 1 | 1 | 6286.19000000 | | 30M0F7W |
| 1 | 2 | 10775.00000000 | | 40M0F7W |
| 1 | 2 | 10935.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 5 MI ENE OF, LAGUNA, VENTURA, CA | 34.40886111, -119.42372222 | 588.900 m | | 15.200 m overall | |
| 2 | R | | 34.33469444, -119.21619444 | 492.600 m | | | |
| 3 | R | | 34.41886111, -119.69622222 | 7.300 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 | 43.2000 | 113.3000 | | |
| 1 | 2 | R | | | | 43.2000 | | | |
| 1 | 3 | R | | | | 46.5000 | | | |
| 2 | 1 | T | | | V | 46.5000 | 272.6000 | | |
License history
| Date | File or call sign | Action |
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| 2000-04-06 | WLK485 | LICAN |
| 1999-08-14 | WLK485 | LICCNV |
| 1999-02-11 | WLK485 | LITRAN |
| 1991-04-01 | WLK485 | LIREN |
| 1990-06-19 | WLK485 | LIMOD |
| 1988-08-11 | WLK485 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 993185 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLK485 | ULS 993185 | 2026-08-02 02:45:12 |
| Status | C | ULS 993185 | 2026-08-02 02:45:12 |
| Service | CF | ULS 993185 | 2026-08-02 02:45:12 |
| Grant Date | 1991-04-01 | ULS 993185 | 2026-08-02 02:45:12 |
| Expiration Date | 2001-02-01 | ULS 993185 | 2026-08-02 02:45:12 |
| Cancellation Date | 2000-04-04 | ULS 993185 | 2026-08-02 02:45:12 |