Universal Licensing System
WLK477
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 993178 |
|---|
| Call sign | WLK477 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1991-04-01 |
|---|
| Expiration | 2001-02-01 |
|---|
| Cancellation | 1996-10-16 |
|---|
| Frequency range | 5945.2 - 6152.75 MHz (8 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | MINNEAPOLIS, HENNEPIN, MN |
|---|
| Coordinates | 44.9735556, -93.2699444 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:44 |
|---|
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 | 5974.85000000 | | | | | |
| 1 | 1 | FXO | 6004.50000000 | | | | | |
| 1 | 2 | FXO | 6034.15000000 | | | | | |
| 1 | 1 | FXO | 6063.80000000 | | | | | |
| 1 | 2 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6152.75000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 5945.20000000 | | 30M0A7W |
| 1 | 2 | 5974.85000000 | | 30M0A7W |
| 1 | 1 | 6004.50000000 | | 30M0A7W |
| 1 | 2 | 6034.15000000 | | 30M0A7W |
| 1 | 1 | 6063.80000000 | | 30M0A7W |
| 1 | 2 | 6093.45000000 | | 30M0A7W |
| 1 | 1 | 6123.10000000 | | 30M0A7W |
| 1 | 2 | 6152.75000000 | | 30M0A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 222 S 9TH STREET, MINNEAPOLIS, HENNEPIN, MN | 44.97355556, -93.26994444 | 258.500 m | | 187.100 m overall | |
| 2 | R | | 44.79216667, -93.71188889 | 299.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 43.2000 | 240.2000 | | |
| 1 | 2 | R | | | | 43.2000 | | | |
| 2 | 1 | T | | | V | 43.2000 | 240.2000 | | |
| 2 | 2 | R | | | | 43.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-14 | WLK477 | LICCNV |
| 1996-10-16 | WLK477 | LICAN |
| 1991-04-01 | WLK477 | LIREN |
| 1988-08-25 | WLK477 | LIMOD |
| 1988-08-11 | WLK477 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 993178 | 2026-08-02 02:47:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLK477 | ULS 993178 | 2026-08-02 02:47:44 |
| Status | C | ULS 993178 | 2026-08-02 02:47:44 |
| Service | CF | ULS 993178 | 2026-08-02 02:47:44 |
| Grant Date | 1991-04-01 | ULS 993178 | 2026-08-02 02:47:44 |
| Expiration Date | 2001-02-01 | ULS 993178 | 2026-08-02 02:47:44 |
| Cancellation Date | 1996-10-16 | ULS 993178 | 2026-08-02 02:47:44 |