Universal Licensing System
WGX519
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 978226 |
|---|
| Call sign | WGX519 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1991-04-01 |
|---|
| Expiration | 2001-02-01 |
|---|
| Cancellation | 1997-10-29 |
|---|
| Frequency range | 6197.24 - 11035 MHz (23 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 37.6460278, -121.9488333 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-09-14 17:05:56 |
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Licensee
| Name | MCI WORLDCOM NETWORK SERVICES INC |
|---|
| Applicant type | C |
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| Location | RICHARDSON, TX |
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| 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 | 6197.24000000 | | | | | |
| 1 | 4 | FXO | 6197.24000000 | | | | | |
| 1 | 5 | FXO | 6197.24000000 | | | | | |
| 1 | 5 | FXO | 6226.89000000 | | | | | |
| 1 | 7 | FXO | 6226.89000000 | | | | | |
| 1 | 5 | FXO | 6226.90000000 | | | | | |
| 1 | 1 | FXO | 6256.54000000 | | | | | |
| 1 | 5 | FXO | 6256.54000000 | | | | | |
| 1 | 5 | FXO | 6286.19000000 | | | | | |
| 1 | 7 | FXO | 6286.19000000 | | | | | |
| 1 | 5 | FXO | 6286.20000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 5 | FXO | 6315.84000000 | | | | | |
| 1 | 5 | FXO | 6345.49000000 | | | | | |
| 1 | 7 | FXO | 6345.49000000 | | | | | |
| 1 | 5 | FXO | 6345.50000000 | | | | | |
| 1 | 1 | FXO | 6375.14000000 | | | | | |
| 1 | 5 | FXO | 6375.14000000 | | | | | |
| 1 | 5 | FXO | 6404.79000000 | | | | | |
| 1 | 7 | FXO | 6404.79000000 | | | | | |
| 1 | 5 | FXO | 6404.80000000 | | | | | |
| 1 | 2 | FXO | 10775.00000000 | | | | | |
| 1 | 3 | FXO | 10795.00000000 | | | | | |
| 1 | 8 | FXO | 10835.00000000 | | | | | |
| 1 | 2 | FXO | 10855.00000000 | | | | | |
| 1 | 3 | FXO | 10875.00000000 | | | | | |
| 1 | 6 | FXO | 10875.00000000 | | | | | |
| 1 | 8 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10955.00000000 | | | | | |
| 1 | 8 | FXO | 10995.00000000 | | | | | |
| 1 | 2 | FXO | 11015.00000000 | | | | | |
| 1 | 6 | FXO | 11035.00000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2.4 MI NW OF, SUNOL, ALAMEDA, CA | 37.61991667, -121.92216667 | 665.700 m | | 48.800 m overall | |
| 2 | R | | | 0.000 m | | | |
| 3 | R | | 37.75547222, -122.45244444 | 254.200 m | | | |
| 4 | R | | 37.33269444, -121.89466667 | 26.200 m | | | |
| 5 | R | | 37.64269444, -122.13550000 | 2.700 m | | | |
| 6 | R | | 37.64602778, -121.94883333 | 508.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | | 172.9000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 1 | 4 | R | | | | | | | |
| 1 | 5 | R | | | | | | | |
| 1 | 6 | R | | | | | | | |
| 2 | 1 | T | | | V | | 175.6000 | | |
| 2 | 2 | R | | | | | | | |
| 2 | 3 | R | | | | | | | |
| 2 | 5 | R | | | | | | | |
| 3 | 1 | T | | | H | | 277.7000 | | |
| 4 | 1 | T | | | H | | 288.0000 | | |
| 5 | 1 | T | | | V | | 303.5000 | | |
| 6 | 1 | T | | | V | | 320.9000 | | |
| 7 | 1 | T | | | V | | 288.0000 | | |
| 8 | 1 | T | | | V | | 277.7000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WGX519 | LICCNV |
| 1997-12-22 | WGX519 | COR |
| 1997-10-29 | WGX519 | LICAN |
| 1991-04-01 | WGX519 | LIREN |
| 1990-04-03 | WGX519 | LIMOD |
| 1990-03-29 | WGX519 | LIMOD |
| 1988-08-11 | WGX519 | LIMOD |
| 1986-11-19 | WGX519 | LIMOD |
| 1986-02-27 | WGX519 | LIMOD |
| 1985-09-26 | WGX519 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 978226 | 2026-08-31 20:51:05 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Applicant Name | MCI WORLDCOM NETWORK SERVICES INC | ULS 978226 | 2026-08-31 21:04:17 |
| Call Sign | WGX519 | ULS 978226 | 2026-08-31 21:04:17 |
| Cancellation Date | 1997-10-29 | ULS 978226 | 2026-08-31 21:04:17 |
| Description | 9120990 | ULS 978226 | 2026-08-31 21:04:17 |
| Expiration Date | 2001-02-01 | ULS 978226 | 2026-08-31 21:04:17 |
| Filed Date | 1991-04-01 | ULS 978226 | 2026-08-31 21:04:17 |
| Grant Date | 1991-04-01 | ULS 978226 | 2026-08-31 21:04:17 |
| Service | CF | ULS 978226 | 2026-08-31 21:04:17 |
| Source Archive | l_micro.zip | ULS 978226 | 2026-08-31 21:04:17 |
| Status | C | ULS 978226 | 2026-08-31 21:04:17 |