Universal Licensing System
WDU373
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 973896 |
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| Call sign | WDU373 |
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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 | 1997-10-29 |
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| Frequency range | 5974.85 - 11625 MHz (7 frequencies) |
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| Locations | 3 |
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| Representative location | SAN FRANCISC, SAN FRANCISCO, CA |
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| Coordinates | 37.7554722, -122.4524444 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:58 |
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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 | 2 | FXO | 5945.20000000 | | | | | |
| 1 | 3 | FXO | 5945.20000000 | | | | | |
| 1 | 4 | FXO | 5974.85000000 | | | | | |
| 1 | 5 | FXO | 5974.85000000 | | | | | |
| 1 | 2 | FXO | 6004.50000000 | | | | | |
| 1 | 3 | FXO | 6004.50000000 | | | | | |
| 1 | 1 | FXO | 6034.15000000 | | | | | |
| 1 | 1 | FXO | 6034.20000000 | | | | | |
| 1 | 2 | FXO | 6063.80000000 | | | | | |
| 1 | 3 | FXO | 6063.80000000 | | | | | |
| 1 | 6 | FXO | 6063.80000000 | | | | | |
| 1 | 1 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6093.50000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
| 1 | 3 | FXO | 6123.10000000 | | | | | |
| 1 | 6 | FXO | 6123.10000000 | | | | | |
| 1 | 4 | FXO | 11305.00000000 | | | | | |
| 1 | 4 | FXO | 11385.00000000 | | | | | |
| 1 | 2 | FXO | 11425.00000000 | | | | | |
| 1 | 4 | FXO | 11465.00000000 | | | | | |
| 1 | 2 | FXO | 11505.00000000 | | | | | |
| 1 | 4 | FXO | 11545.00000000 | | | | | |
| 1 | 2 | FXO | 11585.00000000 | | | | | |
| 1 | 4 | FXO | 11625.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7T SUTRO, SAN FRANCISC, SAN FRANCISCO, CA | 37.75547222, -122.45244444 | 254.200 m | | 297.800 m overall | |
| 2 | R | | 37.79019444, -122.39466667 | 6.100 m | | | |
| 3 | R | | 37.61991667, -121.92216667 | 665.700 m | | | |
| 4 | R | | 38.41516667, -122.11550000 | 846.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | | 21.9000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 1 | 4 | R | | | | | | | |
| 2 | 1 | T | | | V | | 52.9000 | | |
| 2 | 2 | R | | | | | | | |
| 2 | 3 | R | | | | | | | |
| 2 | 4 | R | | | | | | | |
| 3 | 1 | T | | | V | | 107.7000 | | |
| 4 | 1 | T | | | H | | 52.9000 | | |
| 5 | 1 | T | | | H | | 107.7000 | | |
| 6 | 1 | T | | | V | | 21.9000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WDU373 | LICCNV |
| 1997-12-19 | WDU373 | COR |
| 1997-10-29 | WDU373 | LICAN |
| 1991-04-01 | WDU373 | LIREN |
| 1988-11-24 | WDU373 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 973896 | 2026-08-02 02:47:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDU373 | ULS 973896 | 2026-08-02 02:47:58 |
| Status | C | ULS 973896 | 2026-08-02 02:47:58 |
| Service | CF | ULS 973896 | 2026-08-02 02:47:58 |
| Grant Date | 1991-04-01 | ULS 973896 | 2026-08-02 02:47:58 |
| Expiration Date | 2001-02-01 | ULS 973896 | 2026-08-02 02:47:58 |
| Cancellation Date | 1997-10-29 | ULS 973896 | 2026-08-02 02:47:58 |