Universal Licensing System
WLB204
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 987703 |
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| Call sign | WLB204 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1993-11-01 |
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| Expiration | 2001-02-01 |
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| Cancellation | 1999-11-08 |
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| Frequency range | 6226.89 - 6404.79 MHz (6 frequencies) |
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| Locations | 1 |
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| Representative location | HENDERSON, CLARK, NV |
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| Coordinates | 36.1438611, -115.0833333 |
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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 |
|---|
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 1 | FXO | 6256.54000000 | | | | | |
| 1 | 2 | FXO | 6286.19000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 2 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6375.14000000 | | | | | |
| 1 | 2 | FXO | 6404.79000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6197.24000000 | | 30M0F7W |
| 1 | 2 | 6226.89000000 | | 30M0D7W |
| 1 | 1 | 6256.54000000 | | 30M0F7W |
| 1 | 2 | 6286.19000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0F7W |
| 1 | 2 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6375.14000000 | | 30M0F7W |
| 1 | 2 | 6404.79000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4187 EAST SAHARA, HENDERSON, CLARK, NV | 36.14386111, -115.08333333 | 540.700 m | | 14.600 m overall | |
| 2 | R | | 35.94552778, -115.04275000 | 1314.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 38.8000 | 170.6000 | | |
| 1 | 2 | R | | | | 43.2000 | | | |
| 2 | 1 | T | | | V | 38.8000 | 170.6000 | | |
| 2 | 2 | R | | | | 43.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-12-08 | WLB204 | LICAN |
| 1999-08-13 | WLB204 | LICCNV |
| 1999-02-11 | WLB204 | LITRAN |
| 1993-11-01 | WLB204 | LIMOD |
| 1991-04-01 | WLB204 | LIREN |
| 1989-05-07 | WLB204 | LIMOD |
| 1984-12-19 | WLB204 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 987703 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLB204 | ULS 987703 | 2026-08-02 02:45:12 |
| Status | C | ULS 987703 | 2026-08-02 02:45:12 |
| Service | CF | ULS 987703 | 2026-08-02 02:45:12 |
| Grant Date | 1993-11-01 | ULS 987703 | 2026-08-02 02:45:12 |
| Expiration Date | 2001-02-01 | ULS 987703 | 2026-08-02 02:45:12 |
| Cancellation Date | 1999-11-08 | ULS 987703 | 2026-08-02 02:45:12 |