Universal Licensing System
WLL736
MCI Communications Services, Inc.
License details
| ULS identifier | 994100 |
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| Call sign | WLL736 |
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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 | 2006-05-18 |
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| Frequency range | 19005 MHz |
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| Locations | 2 |
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| Representative location | NAPERVILLE, DUPAGE, IL |
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| Coordinates | 41.8019722, -88.1997778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:05 |
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Licensee
| Name | MCI Communications Services, Inc. |
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| Applicant type | C |
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| Location | Richardson, TX |
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| Address | 2400 N. Glenville Drive, Dept/Loc 71216/107, Richardson, TX, 75082 |
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| Phone | 9727296406 |
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| Email | [email protected] |
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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 | 19005.00000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1 ENERGY CTR, NAPERVILLE, DUPAGE, IL | 41.80197222, -88.19977778 | 215.500 m | | 29.000 m overall | |
| 2 | R | | 41.80613889, -88.19033333 | 217.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 39.4000 | 59.5000 | | |
| 1 | 2 | R | | | | 39.4000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2006-05-19 | WLL736 | LICAN |
| 2006-02-02 | WLL736 | LIASS |
| 2006-01-06 | WLL736 | LITRAN |
| 2005-06-08 | WLL736 | LIAUA |
| 2005-06-07 | WLL736 | ESUAPR |
| 2005-05-02 | WLL736 | ESCAPR |
| 2005-03-11 | WLL736 | ESUAPR |
| 2004-04-20 | WLL736 | LIASS |
| 2003-02-12 | WLL736 | LIAUA |
| 2003-01-15 | WLL736 | LIAUA |
| 2003-01-14 | WLL736 | LIAUA |
| 2002-07-21 | WLL736 | LIASS |
| 2001-03-07 | WLL736 | LIAUA |
| 2001-01-30 | WLL736 | LIREN |
| 2000-11-13 | WLL736 | LETRES |
| 1999-08-14 | WLL736 | LICCNV |
| 1999-02-11 | WLL736 | LITRAN |
| 1997-06-23 | WLL736 | COR |
| 1991-04-01 | WLL736 | LIREN |
| 1990-02-01 | WLL736 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 994100 | 2026-08-02 02:46:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLL736 | ULS 994100 | 2026-08-02 02:46:05 |
| Status | C | ULS 994100 | 2026-08-02 02:46:05 |
| Service | CF | ULS 994100 | 2026-08-02 02:46:05 |
| Grant Date | 2001-01-30 | ULS 994100 | 2026-08-02 02:46:05 |
| Expiration Date | 2011-02-01 | ULS 994100 | 2026-08-02 02:46:05 |
| Cancellation Date | 2006-05-18 | ULS 994100 | 2026-08-02 02:46:05 |