Universal Licensing System
WLB391
MCI WORLDCOM NETWORK SERVICES, INC
License details
| ULS identifier | 987857 |
|---|
| Call sign | WLB391 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2001-02-27 |
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| Expiration | 2011-02-01 |
|---|
| Cancellation | 2001-12-06 |
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| Frequency range | 4010 - 4170 MHz (3 frequencies) |
|---|
| Locations | 2 |
|---|
| Coordinates | 36.6509444, -79.4958333 |
|---|
| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:10 |
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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 BLVD 2865/642, RICHARDSON, TX, 75082 |
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| Phone | 9726565287 |
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| Email | [email protected] |
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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 | 1.5 MILES SE OF, PRICE, ROCKINGHAM, NC | 36.52677778, -79.89252778 | 317.900 m | | 63.400 m overall | |
| 2 | R | | 36.65094444, -79.49583333 | 278.900 m | | | |
| 3 | R | | 36.27066667, -79.94475000 | 283.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 41.0000 | 68.7000 | | |
| 1 | 2 | R | | | | 41.0000 | | | |
| 1 | 3 | R | | | | 39.8000 | | | |
| 2 | 1 | T | | | H | 39.8000 | 189.4000 | | |
| 2 | 2 | R | | | | 41.0000 | | | |
| 2 | 3 | R | | | | 39.8000 | | | |
| 3 | 1 | T | | | V | 41.0000 | 68.7000 | | |
| 4 | 1 | T | | | V | 39.8000 | 189.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-12-07 | WLB391 | LICAN |
| 2001-03-07 | WLB391 | LIAUA |
| 2001-02-27 | WLB391 | LIREN |
| 2000-11-13 | WLB391 | LETRES |
| 1999-08-13 | WLB391 | LICCNV |
| 1999-02-11 | WLB391 | LITRAN |
| 1991-04-01 | WLB391 | LIREN |
| 1988-08-11 | WLB391 | LIMOD |
| 1988-07-07 | WLB391 | LIMOD |
| 1986-05-08 | WLB391 | LIMOD |
| 1986-02-06 | WLB391 | LIMOD |
| 1985-05-16 | WLB391 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 987857 | 2026-08-02 02:45:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLB391 | ULS 987857 | 2026-08-02 02:45:10 |
| Status | C | ULS 987857 | 2026-08-02 02:45:10 |
| Service | CF | ULS 987857 | 2026-08-02 02:45:10 |
| Grant Date | 2001-02-27 | ULS 987857 | 2026-08-02 02:45:10 |
| Expiration Date | 2011-02-01 | ULS 987857 | 2026-08-02 02:45:10 |
| Cancellation Date | 2001-12-06 | ULS 987857 | 2026-08-02 02:45:10 |