Universal Licensing System
WLC499
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 988458 |
|---|
| Call sign | WLC499 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1991-04-01 |
|---|
| Expiration | 2001-02-01 |
|---|
| Cancellation | 1999-11-08 |
|---|
| Frequency range | 3770 - 4170 MHz (6 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | VICTORVILLE, SAN BERNARDINO, CA |
|---|
| Coordinates | 34.6491389, -117.2341944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:09 |
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Licensee
| Name | MCI WORLDCOM NETWORK SERVICES INC |
|---|
| 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 | 3750.00000000 | | | | | |
| 1 | 2 | FXO | 3750.00000000 | | | | | |
| 1 | 3 | FXO | 3770.00000000 | | | | | |
| 1 | 4 | FXO | 3770.00000000 | | | | | |
| 1 | 1 | FXO | 3830.00000000 | | | | | |
| 1 | 2 | FXO | 3830.00000000 | | | | | |
| 1 | 3 | FXO | 3850.00000000 | | | | | |
| 1 | 4 | FXO | 3850.00000000 | | | | | |
| 1 | 1 | FXO | 3910.00000000 | | | | | |
| 1 | 2 | FXO | 3910.00000000 | | | | | |
| 1 | 3 | FXO | 3930.00000000 | | | | | |
| 1 | 4 | FXO | 3930.00000000 | | | | | |
| 1 | 1 | FXO | 3990.00000000 | | | | | |
| 1 | 2 | FXO | 3990.00000000 | | | | | |
| 1 | 3 | FXO | 4010.00000000 | | | | | |
| 1 | 4 | FXO | 4010.00000000 | | | | | |
| 1 | 1 | FXO | 4070.00000000 | | | | | |
| 1 | 2 | FXO | 4070.00000000 | | | | | |
| 1 | 3 | FXO | 4090.00000000 | | | | | |
| 1 | 4 | FXO | 4090.00000000 | | | | | |
| 1 | 1 | FXO | 4150.00000000 | | | | | |
| 1 | 2 | FXO | 4150.00000000 | | | | | |
| 1 | 3 | FXO | 4170.00000000 | | | | | |
| 1 | 4 | FXO | 4170.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 3750.00000000 | | 20M0F7W |
| 1 | 2 | 3750.00000000 | | 20M0F7W |
| 1 | 3 | 3770.00000000 | | 20M0F7W |
| 1 | 4 | 3770.00000000 | | 20M0F7W |
| 1 | 1 | 3830.00000000 | | 20M0F7W |
| 1 | 2 | 3830.00000000 | | 20M0F7W |
| 1 | 3 | 3850.00000000 | | 20M0F7W |
| 1 | 4 | 3850.00000000 | | 20M0F7W |
| 1 | 1 | 3910.00000000 | | 20M0F7W |
| 1 | 2 | 3910.00000000 | | 20M0F7W |
| 1 | 3 | 3930.00000000 | | 20M0F7W |
| 1 | 4 | 3930.00000000 | | 20M0F7W |
| 1 | 1 | 3990.00000000 | | 20M0F7W |
| 1 | 2 | 3990.00000000 | | 20M0F7W |
| 1 | 3 | 4010.00000000 | | 20M0F7W |
| 1 | 4 | 4010.00000000 | | 20M0F7W |
| 1 | 1 | 4070.00000000 | | 20M0F7W |
| 1 | 2 | 4070.00000000 | | 20M0F7W |
| 1 | 3 | 4090.00000000 | | 20M0F7W |
| 1 | 4 | 4090.00000000 | | 20M0F7W |
| 1 | 1 | 4150.00000000 | | 20M0F7W |
| 1 | 2 | 4150.00000000 | | 20M0F7W |
| 1 | 3 | 4170.00000000 | | 20M0F7W |
| 1 | 4 | 4170.00000000 | | 20M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 9 MI NNW OF, VICTORVILLE, SAN BERNARDINO, CA | 34.64913889, -117.23419444 | 1019.600 m | | 48.200 m overall | |
| 2 | R | | 34.97108333, -117.04030556 | 1015.900 m | | | |
| 3 | R | | 34.23500000, -117.14058333 | 1953.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 39.2000 | 26.4000 | | |
| 1 | 2 | R | | | | 39.1000 | | | |
| 1 | 3 | R | | | | 41.3000 | | | |
| 2 | 1 | T | | | H | 41.3000 | 169.4000 | | |
| 2 | 2 | R | | | | 39.1000 | | | |
| 2 | 3 | R | | | | 41.3000 | | | |
| 3 | 1 | T | | | V | 39.2000 | 26.4000 | | |
| 4 | 1 | T | | | V | 41.3000 | 169.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-12-08 | WLC499 | LICAN |
| 1999-08-13 | WLC499 | LICCNV |
| 1999-02-11 | WLC499 | LITRAN |
| 1991-04-01 | WLC499 | LIREN |
| 1989-01-24 | WLC499 | LIMOD |
| 1988-08-11 | WLC499 | LIMOD |
| 1986-09-18 | WLC499 | APGRT |
| 1986-09-18 | WLC499 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 988458 | 2026-08-02 02:45:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLC499 | ULS 988458 | 2026-08-02 02:45:09 |
| Status | C | ULS 988458 | 2026-08-02 02:45:09 |
| Service | CF | ULS 988458 | 2026-08-02 02:45:09 |
| Grant Date | 1991-04-01 | ULS 988458 | 2026-08-02 02:45:09 |
| Expiration Date | 2001-02-01 | ULS 988458 | 2026-08-02 02:45:09 |
| Cancellation Date | 1999-11-08 | ULS 988458 | 2026-08-02 02:45:09 |