Universal Licensing System
WLB588
MCI WORLDCOM NETWORK SERVICES, INC
License details
| ULS identifier | 987901 |
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| Call sign | WLB588 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-01-23 |
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| Expiration | 2011-02-01 |
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| Cancellation | 2001-06-07 |
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| Frequency range | 6226.89 - 6404.79 MHz (6 frequencies) |
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| Locations | 2 |
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| Representative location | MOBILE, MOBILE, AL |
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| Coordinates | 30.7079444, -88.0466389 |
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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 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 | 6226.89000000 | | | | | |
| 1 | 2 | FXO | 6256.54000000 | | | | | |
| 1 | 1 | FXO | 6286.19000000 | | | | | |
| 1 | 2 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6404.79000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6226.89000000 | | 30M0D7W |
| 1 | 2 | 6256.54000000 | | 30M0D7W |
| 1 | 1 | 6286.19000000 | | 30M0D7W |
| 1 | 2 | 6315.84000000 | | 30M0D7W |
| 1 | 1 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6404.79000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 801 DEKLE ROAD, MOBILE, MOBILE, AL | 30.70794444, -88.04663889 | 4.000 m | | 63.400 m overall | |
| 2 | R | | 30.87433333, -88.15083333 | 65.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 42.7000 | 331.6000 | | |
| 1 | 2 | R | | | | 42.7000 | | | |
| 2 | 1 | T | | | V | 42.7000 | 331.6000 | | |
| 2 | 2 | R | | | | 42.7000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-06-08 | WLB588 | LICAN |
| 2001-03-07 | WLB588 | LIAUA |
| 2001-01-23 | WLB588 | LIREN |
| 2000-11-13 | WLB588 | LETRES |
| 1999-08-13 | WLB588 | LICCNV |
| 1999-07-02 | WLB588 | COR |
| 1999-03-29 | WLB588 | COR |
| 1999-02-11 | WLB588 | LITRAN |
| 1992-07-30 | WLB588 | LIMOD |
| 1991-04-01 | WLB588 | LIREN |
| 1990-10-05 | WLB588 | LIMOD |
| 1986-03-10 | WLB588 | LIMOD |
| 1986-01-30 | WLB588 | LIMOD |
| 1985-05-16 | WLB588 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 987901 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLB588 | ULS 987901 | 2026-08-02 02:45:12 |
| Status | C | ULS 987901 | 2026-08-02 02:45:12 |
| Service | CF | ULS 987901 | 2026-08-02 02:45:12 |
| Grant Date | 2001-01-23 | ULS 987901 | 2026-08-02 02:45:12 |
| Expiration Date | 2011-02-01 | ULS 987901 | 2026-08-02 02:45:12 |
| Cancellation Date | 2001-06-07 | ULS 987901 | 2026-08-02 02:45:12 |