Universal Licensing System
WBB335
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 970267 |
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| Call sign | WBB335 |
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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 | 1998-05-01 |
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| Frequency range | 5945.2 - 6123.1 MHz (6 frequencies) |
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| Locations | 3 |
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| Representative location | MASON, WARREN, OH |
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| Coordinates | 39.3222778, -84.3185278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:45 |
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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 |
|---|
| 1 | 1 | FXO | 5945.20000000 | | | | | |
| 1 | 2 | FXO | 5945.20000000 | | | | | |
| 1 | 3 | FXO | 5974.85000000 | | | | | |
| 1 | 4 | FXO | 5974.85000000 | | | | | |
| 1 | 1 | FXO | 6004.50000000 | | | | | |
| 1 | 2 | FXO | 6004.50000000 | | | | | |
| 1 | 3 | FXO | 6034.15000000 | | | | | |
| 1 | 4 | FXO | 6034.15000000 | | | | | |
| 1 | 1 | FXO | 6063.80000000 | | | | | |
| 1 | 2 | FXO | 6063.80000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 5945.20000000 | | 30M0D7W |
| 1 | 2 | 5945.20000000 | | 30M0D7W |
| 1 | 3 | 5974.85000000 | | 30M0D7W |
| 1 | 4 | 5974.85000000 | | 30M0D7W |
| 1 | 1 | 6004.50000000 | | 30M0D7W |
| 1 | 2 | 6004.50000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 4 | 6034.15000000 | | 30M0D7W |
| 1 | 1 | 6063.80000000 | | 30M0D7W |
| 1 | 2 | 6063.80000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 3.5 MI S OF, MASON, WARREN, OH | 39.32227778, -84.31852778 | 280.400 m | | 69.500 m overall | |
| 2 | R | | 39.56977778, -84.11713889 | 312.400 m | | | |
| 3 | R | | 39.10172222, -84.51158333 | 167.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 43.2000 | 32.2000 | | |
| 1 | 2 | R | | | | 43.2000 | | | |
| 1 | 3 | R | | | | 43.2000 | | | |
| 2 | 1 | T | | | V | 43.2000 | 214.3000 | | |
| 2 | 2 | R | | | | 43.2000 | | | |
| 2 | 3 | R | | | | 43.2000 | | | |
| 3 | 1 | T | | | H | 43.2000 | 32.2000 | | |
| 4 | 1 | T | | | H | 43.2000 | 214.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WBB335 | LICCNV |
| 1998-05-01 | WBB335 | LICAN |
| 1991-04-01 | WBB335 | LIREN |
| 1991-01-03 | WBB335 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 970267 | 2026-08-02 02:47:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WBB335 | ULS 970267 | 2026-08-02 02:47:45 |
| Status | C | ULS 970267 | 2026-08-02 02:47:45 |
| Service | CF | ULS 970267 | 2026-08-02 02:47:45 |
| Grant Date | 1991-04-01 | ULS 970267 | 2026-08-02 02:47:45 |
| Expiration Date | 2001-02-01 | ULS 970267 | 2026-08-02 02:47:45 |
| Cancellation Date | 1998-05-01 | ULS 970267 | 2026-08-02 02:47:45 |