Universal Licensing System
WLK484
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 993184 |
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| Call sign | WLK484 |
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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 | 5945.2 - 11585 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | VENTURA, VENTURA, CA |
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| Coordinates | 34.3346944, -119.2161944 |
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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 | 2 | FXO | 5945.20000000 | | | | | |
| 1 | 2 | FXO | 6004.50000000 | | | | | |
| 1 | 1 | FXO | 11425.00000000 | | | | | |
| 1 | 1 | FXO | 11585.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 5945.20000000 | | 30M0F7W |
| 1 | 2 | 6004.50000000 | | 30M0F7W |
| 1 | 1 | 11425.00000000 | | 40M0F7W |
| 1 | 1 | 11585.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 4 MI N OF, VENTURA, VENTURA, CA | 34.33469444, -119.21619444 | 492.600 m | | 45.100 m overall | |
| 2 | R | | 34.40886111, -119.42372222 | 588.900 m | | | |
| 3 | R | | 34.26111111, -119.24230556 | 29.000 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 | 46.5000 | 196.4000 | | |
| 1 | 2 | R | | | | 43.2000 | | | |
| 1 | 3 | R | | | | 46.5000 | | | |
| 2 | 1 | T | | | H | 43.2000 | 293.4000 | | |
License history
| Date | File or call sign | Action |
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| 2000-04-06 | WLK484 | LICAN |
| 1999-08-14 | WLK484 | LICCNV |
| 1999-02-11 | WLK484 | LITRAN |
| 1991-04-01 | WLK484 | LIREN |
| 1988-08-11 | WLK484 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 993184 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLK484 | ULS 993184 | 2026-08-02 02:45:12 |
| Status | C | ULS 993184 | 2026-08-02 02:45:12 |
| Service | CF | ULS 993184 | 2026-08-02 02:45:12 |
| Grant Date | 1991-04-01 | ULS 993184 | 2026-08-02 02:45:12 |
| Expiration Date | 2001-02-01 | ULS 993184 | 2026-08-02 02:45:12 |
| Cancellation Date | 2000-04-04 | ULS 993184 | 2026-08-02 02:45:12 |