Universal Licensing System
WOI57
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 1033532 |
|---|
| Call sign | WOI57 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1991-10-10 |
|---|
| Expiration | 2001-02-01 |
|---|
| Cancellation | 2000-04-07 |
|---|
| Frequency range | 5945.2 - 6152.75 MHz (8 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | ELSINORE, RIVERSIDE, CA |
|---|
| Coordinates | 33.6019444, -117.3439167 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:12 |
|---|
Licensee
| Name | MCI WORLDCOM NETWORK SERVICES INC |
|---|
| Applicant type | C |
|---|
| Location | RICHARDSON, TX |
|---|
| Address | 2270 LAKESIDE DR, RICHARDSON, TX, 75082 |
|---|
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 | 3 | FXO | 6093.45000000 | | | | | |
| 1 | 4 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
| 1 | 3 | FXO | 6152.75000000 | | | | | |
| 1 | 4 | FXO | 6152.75000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4.5 MILES SOUTH OF, ELSINORE, RIVERSIDE, CA | 33.60194444, -117.34391667 | 1077.500 m | | 42.100 m overall | |
| 2 | R | | 33.00919444, -116.97225000 | 862.300 m | | | |
| 3 | R | | 33.60527778, -117.81141667 | 352.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 44.8000 | 152.1000 | | |
| 1 | 2 | R | | | | 44.8000 | | | |
| 1 | 3 | R | | | | 43.2000 | | | |
| 2 | 1 | T | | | H | 43.2000 | 270.6000 | | |
| 2 | 2 | R | | | | 44.8000 | | | |
| 2 | 3 | R | | | | 43.2000 | | | |
| 3 | 1 | T | | | V | 44.8000 | 152.1000 | | |
| 4 | 1 | T | | | V | 43.2000 | 270.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-04-08 | WOI57 | LICAN |
| 1999-08-14 | WOI57 | LICCNV |
| 1999-02-11 | WOI57 | LITRAN |
| 1991-10-10 | WOI57 | LIMOD |
| 1991-04-01 | WOI57 | LIREN |
| 1988-08-25 | WOI57 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1033532 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WOI57 | ULS 1033532 | 2026-08-02 02:45:12 |
| Status | C | ULS 1033532 | 2026-08-02 02:45:12 |
| Service | CF | ULS 1033532 | 2026-08-02 02:45:12 |
| Grant Date | 1991-10-10 | ULS 1033532 | 2026-08-02 02:45:12 |
| Expiration Date | 2001-02-01 | ULS 1033532 | 2026-08-02 02:45:12 |
| Cancellation Date | 2000-04-07 | ULS 1033532 | 2026-08-02 02:45:12 |