Universal Licensing System
WLL658
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 994023 |
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| Call sign | WLL658 |
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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 | 1996-08-20 |
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| Frequency range | 5989.676 MHz |
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| Locations | 2 |
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| Representative location | FOUNTAIN HILLS, MARICOPA, AZ |
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| Coordinates | 33.5878056, -111.7612500 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:54 |
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Licensee
| Name | MCI WORLDCOM NETWORK SERVICES INC |
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| Applicant type | C |
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| FRN | 0002994473 |
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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 | 5989.67600000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 5989.67600000 | | 25M0F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 3 MI SW OF, FOUNTAIN HILLS, MARICOPA, AZ | 33.58780556, -111.76125000 | 653.800 m | | 26.800 m overall | |
| 2 | R | | 33.41808333, -111.96625000 | 349.000 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 | 38.8000 | 225.4000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
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| 1999-08-14 | WLL658 | LICCNV |
| 1997-06-12 | WLL658 | COR |
| 1996-08-20 | WLL658 | LICAN |
| 1991-04-01 | WLL658 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 994023 | 2026-08-02 02:46:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLL658 | ULS 994023 | 2026-08-02 02:46:54 |
| Status | C | ULS 994023 | 2026-08-02 02:46:54 |
| Service | CF | ULS 994023 | 2026-08-02 02:46:54 |
| Grant Date | 1991-04-01 | ULS 994023 | 2026-08-02 02:46:54 |
| Expiration Date | 2001-02-01 | ULS 994023 | 2026-08-02 02:46:54 |
| Cancellation Date | 1996-08-20 | ULS 994023 | 2026-08-02 02:46:54 |