Universal Licensing System
WLB897
MCI WORLDCOM Network Services, Inc.
License details
| ULS identifier | 988123 |
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| Call sign | WLB897 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 1994-08-17 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2001-05-06 |
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| Frequency range | 5960 - 6137.9 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | DALLAS, DALLAS, TX |
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| Coordinates | 32.7778889, -96.7955556 |
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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 | WASHINGTON, DC |
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| Address | 1801 PENNSYLVANIA AVENUE, N.W., WASHINGTON, DC, 20006 |
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| Phone | 2028873087 |
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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 | 5960.00000000 | | | | | |
| 1 | 1 | FXO | 6019.30000000 | | | | | |
| 1 | 1 | FXO | 6078.60000000 | | | | | |
| 1 | 1 | FXO | 6137.90000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 5960.00000000 | | 30M0A7W |
| 1 | 1 | 6019.30000000 | | 30M0A7W |
| 1 | 1 | 6078.60000000 | | 30M0A7W |
| 1 | 1 | 6137.90000000 | | 30M0A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 500 SOUTH ERVAY, DALLAS, DALLAS, TX | 32.77788889, -96.79555556 | 137.800 m | | 45.700 m overall | |
| 2 | R | | 32.59011111, -96.97472222 | 249.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | H | | 219.0000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-06 | WLB897 | LIEXP |
| 2000-11-13 | WLB897 | LETRES |
| 2000-02-26 | WLB897 | LIASS |
| 1999-08-13 | WLB897 | LICCNV |
| 1999-08-05 | WLB897 | COR |
| 1998-04-08 | WLB897 | COR |
| 1998-01-29 | WLB897 | LIASS |
| 1994-08-17 | WLB897 | LIASS |
| 1993-06-28 | WLB897 | LITRAN |
| 1992-09-11 | WLB897 | LITRAN |
| 1991-04-17 | WLB897 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 988123 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLB897 | ULS 988123 | 2026-08-02 02:45:12 |
| Status | E | ULS 988123 | 2026-08-02 02:45:12 |
| Service | CF | ULS 988123 | 2026-08-02 02:45:12 |
| Grant Date | 1994-08-17 | ULS 988123 | 2026-08-02 02:45:12 |
| Expiration Date | 2001-02-01 | ULS 988123 | 2026-08-02 02:45:12 |
| Cancellation Date | 2001-05-06 | ULS 988123 | 2026-08-02 02:45:12 |