Universal Licensing System
WIU87
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 986773 |
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| Call sign | WIU87 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1991-04-01 |
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| Expiration | 2001-02-01 |
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| Cancellation | 1997-10-29 |
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| Frequency range | 5945.2 - 6152.8 MHz (12 frequencies) |
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| Locations | 3 |
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| Representative location | JESSUP, ANNE ARUNDEL, MD |
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| Coordinates | 39.1414722, -76.7518889 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:10 |
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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 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 | 5945.20000000 | | | | | |
| 1 | 2 | FXO | 5945.20000000 | | | | | |
| 1 | 3 | FXO | 5974.85000000 | | | | | |
| 1 | 4 | FXO | 5974.85000000 | | | | | |
| 1 | 3 | FXO | 5974.90000000 | | | | | |
| 1 | 1 | FXO | 6004.50000000 | | | | | |
| 1 | 2 | FXO | 6004.50000000 | | | | | |
| 1 | 3 | FXO | 6034.15000000 | | | | | |
| 1 | 4 | FXO | 6034.15000000 | | | | | |
| 1 | 3 | FXO | 6034.20000000 | | | | | |
| 1 | 4 | FXO | 6034.20000000 | | | | | |
| 1 | 1 | FXO | 6063.80000000 | | | | | |
| 1 | 2 | FXO | 6063.80000000 | | | | | |
| 1 | 3 | FXO | 6093.45000000 | | | | | |
| 1 | 4 | FXO | 6093.45000000 | | | | | |
| 1 | 3 | FXO | 6093.50000000 | | | | | |
| 1 | 4 | FXO | 6093.50000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
| 1 | 3 | FXO | 6152.75000000 | | | | | |
| 1 | 4 | FXO | 6152.75000000 | | | | | |
| 1 | 3 | FXO | 6152.80000000 | | | | | |
| 1 | 4 | FXO | 6152.80000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1.4 MI ESE OF, JESSUP, ANNE ARUNDEL, MD | 39.14147222, -76.75188889 | 93.900 m | | 45.700 m overall | |
| 2 | R | | 39.40286111, -76.60300000 | 145.400 m | | | |
| 3 | R | | 38.95508333, -77.00386111 | 63.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | | 23.8000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 2 | 1 | T | | | H | | 226.6000 | | |
| 2 | 2 | R | | | | | | | |
| 2 | 3 | R | | | | | | | |
| 3 | 1 | T | | | H | | 23.8000 | | |
| 4 | 1 | T | | | V | | 226.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WIU87 | LICCNV |
| 1997-12-22 | WIU87 | COR |
| 1997-10-29 | WIU87 | LICAN |
| 1991-04-01 | WIU87 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 986773 | 2026-08-02 02:48:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WIU87 | ULS 986773 | 2026-08-02 02:48:10 |
| Status | C | ULS 986773 | 2026-08-02 02:48:10 |
| Service | CF | ULS 986773 | 2026-08-02 02:48:10 |
| Grant Date | 1991-04-01 | ULS 986773 | 2026-08-02 02:48:10 |
| Expiration Date | 2001-02-01 | ULS 986773 | 2026-08-02 02:48:10 |
| Cancellation Date | 1997-10-29 | ULS 986773 | 2026-08-02 02:48:10 |