Universal Licensing System
WLL588
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 993956 |
|---|
| Call sign | WLL588 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1994-04-12 |
|---|
| Expiration | 2001-02-01 |
|---|
| Cancellation | 1996-11-12 |
|---|
| Frequency range | 6256.54 - 6404.79 MHz (6 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | CARUTHERS, FRESNO, CA |
|---|
| Coordinates | 36.5110556, -119.8362500 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:48:10 |
|---|
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 | 6256.54000000 | | | | | |
| 1 | 2 | FXO | 6256.54000000 | | | | | |
| 1 | 3 | FXO | 6286.19000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 2 | FXO | 6315.84000000 | | | | | |
| 1 | 4 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6375.14000000 | | | | | |
| 1 | 2 | FXO | 6375.14000000 | | | | | |
| 1 | 3 | FXO | 6404.79000000 | | | | | |
| 1 | 4 | FXO | 6404.79000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6256.54000000 | | 30M0D7W |
| 1 | 2 | 6256.54000000 | | 30M0D7W |
| 1 | 3 | 6286.19000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 2 | 6315.84000000 | | 30M0D7W |
| 1 | 4 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6375.14000000 | | 30M0D7W |
| 1 | 2 | 6375.14000000 | | 30M0D7W |
| 1 | 3 | 6404.79000000 | | 30M0D7W |
| 1 | 4 | 6404.79000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2 MI S OF, CARUTHERS, FRESNO, CA | 36.51105556, -119.83625000 | 75.000 m | | 48.200 m overall | |
| 2 | R | | 36.73938889, -119.79458333 | 86.900 m | | | |
| 3 | R | | 36.29938889, -120.16013889 | 100.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 41.3000 | 8.4000 | | |
| 1 | 2 | R | | | | 41.3000 | | | |
| 1 | 3 | R | | | | 43.2000 | | | |
| 2 | 1 | T | | | H | 43.2000 | 231.1000 | | |
| 2 | 2 | R | | | | 41.3000 | | | |
| 2 | 3 | R | | | | 43.2000 | | | |
| 3 | 1 | T | | | V | 41.3000 | 8.4000 | | |
| 4 | 1 | T | | | V | 43.2000 | 231.1000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-14 | WLL588 | LICCNV |
| 1996-11-12 | WLL588 | LICAN |
| 1994-04-12 | WLL588 | LIMOD |
| 1993-04-23 | WLL588 | LIMOD |
| 1991-08-22 | WLL588 | LIMOD |
| 1988-11-24 | WLL588 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 993956 | 2026-08-02 02:48:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLL588 | ULS 993956 | 2026-08-02 02:48:10 |
| Status | C | ULS 993956 | 2026-08-02 02:48:10 |
| Service | CF | ULS 993956 | 2026-08-02 02:48:10 |
| Grant Date | 1994-04-12 | ULS 993956 | 2026-08-02 02:48:10 |
| Expiration Date | 2001-02-01 | ULS 993956 | 2026-08-02 02:48:10 |
| Cancellation Date | 1996-11-12 | ULS 993956 | 2026-08-02 02:48:10 |