Universal Licensing System
WLB728
MCI WorldCom Network Services, Inc. (debtor-in-possession)
License details
| ULS identifier | 988014 |
|---|
| Call sign | WLB728 |
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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 | 2004-05-10 |
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| Frequency range | 6226.89 - 11665 MHz (12 frequencies) |
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| Locations | 3 |
|---|
| Representative location | BIRMINGHAM, JEFFERSON, AL |
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| Coordinates | 33.5795278, -86.6821944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-09 15:43:10 |
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Licensee
| Name | MCI WorldCom Network Services, Inc. (debtor-in-possession) |
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| Applicant type | C |
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| Location | RICHARDSON, TX |
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| Address | 2400 NORTH GLENVILLE 42955/107, RICHARDSON, TX, 75082 |
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| Phone | 9727296406 |
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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 | 1 | FXO | 6286.19000000 | | | | | |
| 1 | 3 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6345.49000000 | | | | | |
| 1 | 3 | FXO | 6375.14000000 | | | | | |
| 1 | 1 | FXO | 6404.79000000 | | | | | |
| 1 | 2 | FXO | 11425.00000000 | | | | | |
| 1 | 2 | FXO | 11505.00000000 | | | | | |
| 1 | 4 | FXO | 11545.00000000 | | | | | |
| 1 | 2 | FXO | 11585.00000000 | | | | | |
| 1 | 4 | FXO | 11625.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6226.89000000 | | 30M0F7W |
| 1 | 1 | 6286.19000000 | | 30M0F7W |
| 1 | 3 | 6315.84000000 | | 30M0F7W |
| 1 | 1 | 6345.49000000 | | 30M0F7W |
| 1 | 3 | 6375.14000000 | | 30M0F7W |
| 1 | 1 | 6404.79000000 | | 30M0F7W |
| 1 | 2 | 11425.00000000 | | 40M0F7W |
| 1 | 2 | 11505.00000000 | | 40M0F7W |
| 1 | 4 | 11545.00000000 | | 40M0F7W |
| 1 | 2 | 11585.00000000 | | 40M0F7W |
| 1 | 4 | 11625.00000000 | | 40M0F7W |
| 1 | 2 | 11665.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | .5 MI EAST OF, BIRMINGHAM, JEFFERSON, AL | 33.57952778, -86.68219444 | 326.700 m | | 29.300 m overall | |
| 2 | R | | 33.65647222, -86.36941667 | 318.500 m | | | |
| 3 | R | | 33.51925000, -86.80941667 | 185.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 43.2000 | 73.5000 | | |
| 1 | 2 | R | | | | 43.2000 | | | |
| 1 | 3 | R | | | | 46.5000 | | | |
| 2 | 1 | T | | | V | 46.5000 | 240.5000 | | |
| 2 | 2 | R | | | | 43.2000 | | | |
| 2 | 3 | R | | | | 46.5000 | | | |
| 3 | 1 | T | | | H | 43.2000 | 73.5000 | | |
| 4 | 1 | T | | | H | 46.5000 | 240.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2004-05-11 | WLB728 | LICAN |
| 2003-02-12 | WLB728 | LIAUA |
| 2003-01-15 | WLB728 | LIAUA |
| 2003-01-14 | WLB728 | LIAUA |
| 2002-07-21 | WLB728 | LIASS |
| 2001-03-07 | WLB728 | LIAUA |
| 2001-01-23 | WLB728 | LIREN |
| 2000-11-13 | WLB728 | LETRES |
| 1999-08-13 | WLB728 | LICCNV |
| 1999-02-11 | WLB728 | LITRAN |
| 1991-04-01 | WLB728 | LIREN |
| 1988-10-26 | WLB728 | LIMOD |
| 1988-08-11 | WLB728 | LIMOD |
| 1986-12-15 | WLB728 | LIMOD |
| 1985-05-16 | WLB728 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 988014 | 2026-08-09 15:43:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLB728 | ULS 988014 | 2026-08-09 15:43:10 |
| Status | C | ULS 988014 | 2026-08-09 15:43:10 |
| Service | CF | ULS 988014 | 2026-08-09 15:43:10 |
| Grant Date | 2001-01-23 | ULS 988014 | 2026-08-09 15:43:10 |
| Expiration Date | 2011-02-01 | ULS 988014 | 2026-08-09 15:43:10 |
| Cancellation Date | 2004-05-10 | ULS 988014 | 2026-08-09 15:43:10 |