Universal Licensing System
WLL820
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 994175 |
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| Call sign | WLL820 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1991-08-22 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2000-04-25 |
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| Frequency range | 2115.2 MHz |
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| Locations | 1 |
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| Coordinates | 39.6203889, -75.8932500 |
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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 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 | 2115.20000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 2115.20000000 | | 3M50D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 550 S COLLEGE ST, NEW CASTLE, LAWRENCE, PA | | 31.100 m | | 34.700 m overall | |
| 2 | R | | 39.62038889, -75.89325000 | 63.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 32.1000 | 247.3000 | | |
| 1 | 2 | R | | | | 32.1000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-04-26 | WLL820 | LICAN |
| 1999-08-14 | WLL820 | LICCNV |
| 1999-08-05 | WLL820 | COR |
| 1999-02-11 | WLL820 | LITRAN |
| 1997-06-16 | WLL820 | COR |
| 1997-05-23 | WLL820 | COR |
| 1997-05-21 | WLL820 | COR |
| 1991-08-22 | WLL820 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 994175 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLL820 | ULS 994175 | 2026-08-02 02:45:12 |
| Status | C | ULS 994175 | 2026-08-02 02:45:12 |
| Service | CF | ULS 994175 | 2026-08-02 02:45:12 |
| Grant Date | 1991-08-22 | ULS 994175 | 2026-08-02 02:45:12 |
| Expiration Date | 2001-02-01 | ULS 994175 | 2026-08-02 02:45:12 |
| Cancellation Date | 2000-04-25 | ULS 994175 | 2026-08-02 02:45:12 |