Universal Licensing System
WLC781
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 988681 |
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| Call sign | WLC781 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 1998-06-15 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2001-05-06 |
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| Frequency range | 11135 - 17720 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | RICHARDSON, DALLAS, TX |
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| Coordinates | 32.9542778, -96.7077500 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-09-14 16:59:04 |
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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 | 11135.00000000 | | | | | |
| 1 | 2 | FXO | 17720.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11135.00000000 | | 40M0F7W |
| 1 | 2 | 17720.00000000 | | 40M0F7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 400 INTERNATIONAL PKWY, RICHARDSON, DALLAS, TX | 32.95427778, -96.70775000 | 196.600 m | | 25.600 m overall | |
| 2 | R | | 32.92316667, -96.77055556 | 173.700 m | | | |
| 3 | R | | 32.95650000, -96.71247222 | 201.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 46.5000 | 239.6000 | | |
| 1 | 2 | R | | | | 44.0000 | | | |
| 1 | 3 | R | | | | 39.5000 | | | |
| 2 | 1 | T | | | V | 39.5000 | 299.2000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-06 | WLC781 | LIEXP |
| 2000-11-13 | WLC781 | LETRES |
| 1999-08-13 | WLC781 | LICCNV |
| 1999-04-26 | WLC781 | COR |
| 1999-02-11 | WLC781 | LITRAN |
| 1998-06-15 | WLC781 | LIMOD |
| 1994-04-12 | WLC781 | LIMOD |
| 1993-12-09 | WLC781 | LIMOD |
| 1993-09-09 | WLC781 | LIMOD |
| 1991-04-01 | WLC781 | LIREN |
| 1990-10-01 | WLC781 | LIMOD |
| 1990-05-01 | WLC781 | LIMOD |
| 1990-04-20 | WLC781 | LIMOD |
| 1990-04-03 | WLC781 | LIMOD |
| 1988-07-28 | WLC781 | LIMOD |
| 1988-02-25 | WLC781 | LIMOD |
| 1986-11-19 | WLC781 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 988681 | 2026-08-31 20:51:05 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Applicant Name | MCI WORLDCOM NETWORK SERVICES INC | ULS 988681 | 2026-08-31 20:59:03 |
| Call Sign | WLC781 | ULS 988681 | 2026-08-31 20:59:03 |
| Cancellation Date | 2001-05-06 | ULS 988681 | 2026-08-31 20:59:03 |
| Description | 9706011 | ULS 988681 | 2026-08-31 20:59:03 |
| Expiration Date | 2001-02-01 | ULS 988681 | 2026-08-31 20:59:03 |
| Filed Date | 1998-06-15 | ULS 988681 | 2026-08-31 20:59:03 |
| Grant Date | 1998-06-15 | ULS 988681 | 2026-08-31 20:59:03 |
| Service | CF | ULS 988681 | 2026-08-31 20:59:03 |
| Source Archive | l_micro.zip | ULS 988681 | 2026-08-31 20:59:03 |
| Status | E | ULS 988681 | 2026-08-31 20:59:03 |