Universal Licensing System
WKR45
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 987230 |
|---|
| Call sign | WKR45 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1994-10-11 |
|---|
| Expiration | 2001-02-01 |
|---|
| Cancellation | 2000-04-07 |
|---|
| Frequency range | 3710 - 11665 MHz (16 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | RAMONA, SAN DIEGO, CA |
|---|
| Coordinates | 33.0091944, -116.9722500 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:10 |
|---|
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 | 3710.00000000 | | | | | |
| 1 | 4 | FXO | 3730.00000000 | | | | | |
| 1 | 1 | FXO | 3790.00000000 | | | | | |
| 1 | 4 | FXO | 3810.00000000 | | | | | |
| 1 | 3 | FXO | 6197.24000000 | | | | | |
| 1 | 5 | FXO | 6226.89000000 | | | | | |
| 1 | 3 | FXO | 6256.54000000 | | | | | |
| 1 | 5 | FXO | 6286.19000000 | | | | | |
| 1 | 3 | FXO | 6315.84000000 | | | | | |
| 1 | 5 | FXO | 6345.49000000 | | | | | |
| 1 | 3 | FXO | 6375.14000000 | | | | | |
| 1 | 5 | FXO | 6404.79000000 | | | | | |
| 1 | 4 | FXO | 11345.00000000 | | | | | |
| 1 | 2 | FXO | 11465.00000000 | | | | | |
| 1 | 6 | FXO | 11585.00000000 | | | | | |
| 1 | 4 | FXO | 11665.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 3710.00000000 | | 20M0F8W |
| 1 | 4 | 3730.00000000 | | 20M0F8W |
| 1 | 1 | 3790.00000000 | | 20M0F8W |
| 1 | 4 | 3810.00000000 | | 20M0F8W |
| 1 | 4 | 11345.00000000 | | 40M0D7W |
| 1 | 2 | 11465.00000000 | | 40M0D7W |
| 1 | 6 | 11585.00000000 | | 40M0D7W |
| 1 | 4 | 11665.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4.5 MI WSW OF, RAMONA, SAN DIEGO, CA | 33.00919444, -116.97225000 | 862.300 m | | 36.000 m overall | |
| 2 | R | | 32.82947222, -117.13363889 | 129.800 m | | | |
| 3 | R | | 33.60194444, -117.34391667 | 1077.500 m | | | |
| 4 | R | | 32.88669444, -117.17336111 | 106.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 37.4000 | 217.2000 | | |
| 1 | 2 | R | | | | 37.4000 | | | |
| 1 | 3 | R | | | | 44.8000 | | | |
| 1 | 4 | R | | | | 48.4000 | | | |
| 2 | 1 | T | | | H | 48.4000 | 234.2000 | | |
| 2 | 2 | R | | | | 37.4000 | | | |
| 2 | 3 | R | | | | 44.8000 | | | |
| 2 | 4 | R | | | | 48.4000 | | | |
| 3 | 1 | T | | | V | 44.8000 | 332.3000 | | |
| 4 | 1 | T | | | V | 37.4000 | 217.2000 | | |
| 5 | 1 | T | | | H | 44.8000 | 332.3000 | | |
| 6 | 1 | T | | | V | 48.4000 | 234.2000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-04-08 | WKR45 | LICAN |
| 1999-08-13 | WKR45 | LICCNV |
| 1999-07-02 | WKR45 | COR |
| 1999-03-29 | WKR45 | COR |
| 1999-02-11 | WKR45 | LITRAN |
| 1994-10-11 | WKR45 | LIMOD |
| 1991-10-10 | WKR45 | LIMOD |
| 1991-04-01 | WKR45 | LIREN |
| 1990-05-02 | WKR45 | LIMOD |
| 1988-10-26 | WKR45 | LIMOD |
| 1988-10-04 | WKR45 | LIMOD |
| 1988-08-25 | WKR45 | LIMOD |
| 1985-05-16 | WKR45 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 987230 | 2026-08-02 02:45:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WKR45 | ULS 987230 | 2026-08-02 02:45:10 |
| Status | C | ULS 987230 | 2026-08-02 02:45:10 |
| Service | CF | ULS 987230 | 2026-08-02 02:45:10 |
| Grant Date | 1994-10-11 | ULS 987230 | 2026-08-02 02:45:10 |
| Expiration Date | 2001-02-01 | ULS 987230 | 2026-08-02 02:45:10 |
| Cancellation Date | 2000-04-07 | ULS 987230 | 2026-08-02 02:45:10 |