Universal Licensing System
WOJ20
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 1033548 |
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| Call sign | WOJ20 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1991-05-03 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2000-08-14 |
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| Frequency range | 6197.24 - 6404.79 MHz (8 frequencies) |
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| Locations | 2 |
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| Representative location | TULSA, TULSA, OK |
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| Coordinates | 36.1503611, -95.9905278 |
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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 | 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 | 6197.24000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 1 | FXO | 6256.54000000 | | | | | |
| 1 | 2 | FXO | 6286.19000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 2 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6375.14000000 | | | | | |
| 1 | 2 | FXO | 6404.79000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 2 | 6226.89000000 | | 30M0F8W |
| 1 | 1 | 6256.54000000 | | 30M0D7W |
| 1 | 2 | 6286.19000000 | | 30M0F8W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 2 | 6345.49000000 | | 30M0F8W |
| 1 | 1 | 6375.14000000 | | 30M0D7W |
| 1 | 2 | 6404.79000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 15 WEST 6TH ST, TULSA, TULSA, OK | 36.15036111, -95.99052778 | 223.700 m | | 136.900 m overall | |
| 2 | R | | 36.08230556, -95.75775000 | 210.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 38.8000 | 109.8000 | | |
| 1 | 2 | R | | | | 38.8000 | | | |
| 2 | 1 | T | | | H | 38.8000 | 109.8000 | | |
| 2 | 2 | R | | | | 38.8000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-08-15 | WOJ20 | LICAN |
| 1999-08-14 | WOJ20 | LICCNV |
| 1999-02-11 | WOJ20 | LITRAN |
| 1991-04-01 | WOJ20 | LIREN |
| 1989-11-30 | WOJ20 | LIMOD |
| 1988-12-20 | WOJ20 | LIMOD |
| 1988-08-11 | WOJ20 | LIMOD |
| 1988-06-23 | WOJ20 | LIMOD |
| 1985-04-17 | WOJ20 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1033548 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WOJ20 | ULS 1033548 | 2026-08-02 02:45:12 |
| Status | C | ULS 1033548 | 2026-08-02 02:45:12 |
| Service | CF | ULS 1033548 | 2026-08-02 02:45:12 |
| Grant Date | 1991-05-03 | ULS 1033548 | 2026-08-02 02:45:12 |
| Expiration Date | 2001-02-01 | ULS 1033548 | 2026-08-02 02:45:12 |
| Cancellation Date | 2000-08-14 | ULS 1033548 | 2026-08-02 02:45:12 |