Universal Licensing System
WLK509
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 993208 |
|---|
| Call sign | WLK509 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1993-09-09 |
|---|
| Expiration | 2001-02-01 |
|---|
| Cancellation | 2000-06-28 |
|---|
| Frequency range | 11345 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | DALLAS, DALLAS, TX |
|---|
| Coordinates | 32.9231667, -96.7705556 |
|---|
| 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 | 11345.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11345.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 12790 MERIT DR, DALLAS, DALLAS, TX | 32.92316667, -96.77055556 | 173.700 m | | 42.100 m overall | |
| 2 | R | | 32.95427778, -96.70775000 | 196.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 44.0000 | 59.5000 | | |
| 1 | 2 | R | | | | 46.5000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-06-29 | WLK509 | LICAN |
| 1999-08-14 | WLK509 | LICCNV |
| 1999-02-11 | WLK509 | LITRAN |
| 1993-09-09 | WLK509 | LIMOD |
| 1991-04-01 | WLK509 | LIREN |
| 1988-02-25 | WLK509 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 993208 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLK509 | ULS 993208 | 2026-08-02 02:45:12 |
| Status | C | ULS 993208 | 2026-08-02 02:45:12 |
| Service | CF | ULS 993208 | 2026-08-02 02:45:12 |
| Grant Date | 1993-09-09 | ULS 993208 | 2026-08-02 02:45:12 |
| Expiration Date | 2001-02-01 | ULS 993208 | 2026-08-02 02:45:12 |
| Cancellation Date | 2000-06-28 | ULS 993208 | 2026-08-02 02:45:12 |