Universal Licensing System
WLB272
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 987757 |
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| Call sign | WLB272 |
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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 | 1996-10-09 |
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| Frequency range | 11225 - 11665 MHz (7 frequencies) |
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| Locations | 2 |
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| Representative location | NORFOLK, VA |
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| Coordinates | 36.8487500, -76.2899167 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:06 |
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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 | 11225.00000000 | | | | | |
| 1 | 1 | FXO | 11305.00000000 | | | | | |
| 1 | 1 | FXO | 11385.00000000 | | | | | |
| 1 | 2 | FXO | 11505.00000000 | | | | | |
| 1 | 1 | FXO | 11545.00000000 | | | | | |
| 1 | 2 | FXO | 11585.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11225.00000000 | | 40M0F7W |
| 1 | 1 | 11305.00000000 | | 40M0F7W |
| 1 | 1 | 11385.00000000 | | 40M0F7W |
| 1 | 2 | 11505.00000000 | | 40M0F7W |
| 1 | 1 | 11545.00000000 | | 40M0F7W |
| 1 | 2 | 11585.00000000 | | 40M0F7W |
| 1 | 2 | 11665.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 234 MONTICELLO AVE, NORFOLK, VA | 36.84875000, -76.28991667 | 3.000 m | | 82.300 m overall | |
| 2 | R | | 36.94569444, -76.55300000 | 6.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 48.4000 | 294.7000 | | |
| 1 | 2 | R | | | | 48.4000 | | | |
| 2 | 1 | T | | | H | 48.4000 | 294.7000 | | |
| 2 | 2 | R | | | | 48.4000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WLB272 | LICCNV |
| 1997-06-17 | WLB272 | COR |
| 1996-10-09 | WLB272 | LICAN |
| 1991-04-01 | WLB272 | LIREN |
| 1990-04-20 | WLB272 | LIMOD |
| 1989-12-07 | WLB272 | LIMOD |
| 1988-07-07 | WLB272 | LIMOD |
| 1987-01-15 | WLB272 | LIMOD |
| 1985-09-26 | WLB272 | LIMOD |
| 1985-04-17 | WLB272 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 987757 | 2026-08-02 02:48:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLB272 | ULS 987757 | 2026-08-02 02:48:06 |
| Status | C | ULS 987757 | 2026-08-02 02:48:06 |
| Service | CF | ULS 987757 | 2026-08-02 02:48:06 |
| Grant Date | 1991-04-01 | ULS 987757 | 2026-08-02 02:48:06 |
| Expiration Date | 2001-02-01 | ULS 987757 | 2026-08-02 02:48:06 |
| Cancellation Date | 1996-10-09 | ULS 987757 | 2026-08-02 02:48:06 |