Universal Licensing System
WRKB999
Exxon Mobil Corporation
License details
| ULS identifier | 4361708 |
|---|
| Call sign | WRKB999 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2020-12-08 |
|---|
| Expiration | 2030-12-08 |
|---|
| Frequency range | 10875 - 10915 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | MIDLAND, MIDLAND, TX |
|---|
| Coordinates | 31.6719444, -102.1691667 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:09 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10875.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
| 1 | 2 | FXO | 10915.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 1 | 10875.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0G7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
| 1 | 2 | 10915.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 24 MILES SOUTH, MIDLAND, MIDLAND, TX | 31.67194444, -102.16916667 | 880.300 m | GTOWER | 102.700 m structure / 102.700 m overall | N |
| 2 | R | | 31.42194444, -102.16152778 | 858.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES, INC HP6-11 | | V | 43.4000 | 178.5000 | | |
| 1 | 2 | R | RADIO WAVES, INC HP4-11 | | | 41.0000 | | | |
| 2 | 1 | T | RADIO WAVES, INC HP6-11 | | H | 43.4000 | 178.5000 | | |
| 2 | 2 | R | RADIO WAVES, INC HP4-11 | | | 41.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 22777 SPRINGWOODS VILLAGE PKWY., SPRING, TX | HARRIS | 8326240238 |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2026-07-21 | WRKB999 | LIAUA |
| 2025-06-24 | WRKB999 | LETCNS |
| 2025-04-07 | WRKB999 | LIASS |
| 2024-03-20 | WRKB999 | LIMOD |
| 2020-12-08 | WRKB999 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4361708 | 2026-08-02 02:45:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKB999 | ULS 4361708 | 2026-08-02 02:45:09 |
| Status | A | ULS 4361708 | 2026-08-02 02:45:09 |
| Service | MG | ULS 4361708 | 2026-08-02 02:45:09 |
| Grant Date | 2020-12-08 | ULS 4361708 | 2026-08-02 02:45:09 |
| Expiration Date | 2030-12-08 | ULS 4361708 | 2026-08-02 02:45:09 |