Universal Licensing System
WLL639
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 994006 |
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| Call sign | WLL639 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-01-30 |
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| Expiration | 2011-02-01 |
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| Cancellation | 2002-09-20 |
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| Frequency range | 11055 - 11135 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | COLUMBUS, FRANKLIN, OH |
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| Coordinates | 39.9778333, -82.8796111 |
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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 |
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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 |
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| 1 | 1 | FXO | 11055.00000000 | | | | | |
| 1 | 1 | FXO | 11135.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11055.00000000 | | 40M0F7W |
| 1 | 1 | 11135.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4590 E BROAD STREET, COLUMBUS, FRANKLIN, OH | 39.97783333, -82.87961111 | 244.400 m | | 28.300 m overall | |
| 2 | R | | 39.96311111, -82.99572222 | 230.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | 44.0000 | 260.7000 | | |
| 1 | 2 | R | | | | 44.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-09-21 | WLL639 | LICAN |
| 2001-01-30 | WLL639 | LIREN |
| 2000-11-13 | WLL639 | LETRES |
| 1999-08-14 | WLL639 | LICCNV |
| 1999-02-11 | WLL639 | LITRAN |
| 1991-04-01 | WLL639 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 994006 | 2026-08-02 02:45:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLL639 | ULS 994006 | 2026-08-02 02:45:09 |
| Status | C | ULS 994006 | 2026-08-02 02:45:09 |
| Service | CF | ULS 994006 | 2026-08-02 02:45:09 |
| Grant Date | 2001-01-30 | ULS 994006 | 2026-08-02 02:45:09 |
| Expiration Date | 2011-02-01 | ULS 994006 | 2026-08-02 02:45:09 |
| Cancellation Date | 2002-09-20 | ULS 994006 | 2026-08-02 02:45:09 |