Universal Licensing System
WLL623
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 993991 |
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| Call sign | WLL623 |
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| Radio service | CF |
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| Status | C |
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| Expiration | 1998-08-07 |
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| Cancellation | 1998-08-07 |
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| Frequency range | 2117.6 MHz |
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| Locations | 2 |
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| Representative location | CA |
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| Coordinates | 32.8142222, -115.6671944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-09-14 17:05:58 |
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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 | 2117.60000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CA | 32.81422222, -115.66719444 | 13.700 m | | 25.900 m overall | |
| 2 | R | | 32.79419444, -115.55413889 | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | | 101.8000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-14 | WLL623 | LICCNV |
| 1998-08-07 | WLL623 | LICAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 993991 | 2026-08-31 20:51:05 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Applicant Name | MCI WORLDCOM NETWORK SERVICES INC | ULS 993991 | 2026-08-31 21:04:10 |
| Call Sign | WLL623 | ULS 993991 | 2026-08-31 21:04:10 |
| Cancellation Date | 1998-08-07 | ULS 993991 | 2026-08-31 21:04:10 |
| Description | 8803219 | ULS 993991 | 2026-08-31 21:04:10 |
| Expiration Date | 1998-08-07 | ULS 993991 | 2026-08-31 21:04:10 |
| Service | CF | ULS 993991 | 2026-08-31 21:04:10 |
| Source Archive | l_micro.zip | ULS 993991 | 2026-08-31 21:04:10 |
| Status | C | ULS 993991 | 2026-08-31 21:04:10 |