Universal Licensing System
WRBX623
T-MOBILE LICENSE LLC
License details
| ULS identifier | 4066561 |
|---|
| Call sign | WRBX623 |
|---|
| Radio service | CF |
|---|
| Status | E |
|---|
| Grant date | 2018-07-18 |
|---|
| Expiration | 2018-08-18 |
|---|
| Cancellation | 2018-10-20 |
|---|
| Frequency range | 23025 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Chicago, COOK, IL |
|---|
| Coordinates | 41.8527500, -87.6536389 |
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| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:52 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
| 1 | 1 | FXO | 23025.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0D7W |
| 1 | 1 | 23025.00000000 | | 50M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4201 W. Wrightwood Ave., Chicago, COOK, IL | 41.85275000, -87.65363889 | 180.000 m | BANT | 28.100 m structure / 30.600 m overall | |
| 2 | R | | 41.85169444, -87.65833333 | 179.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLP1-23B | | V | 35.3000 | 253.3000 | | |
| 1 | 2 | R | Commscope VHLP1-23B | | | 35.3000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2018-10-20 | WRBX623 | LIEXP |
| 2018-07-19 | WRBX623 | AUTHPR |
| 2018-07-18 | WRBX623 | COR |
| 2018-07-18 | WRBX623 | INTDUP |
| 2018-07-18 | WRBX623 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4066561 | 2026-08-02 02:46:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBX623 | ULS 4066561 | 2026-08-02 02:46:52 |
| Status | E | ULS 4066561 | 2026-08-02 02:46:52 |
| Service | CF | ULS 4066561 | 2026-08-02 02:46:52 |
| Grant Date | 2018-07-18 | ULS 4066561 | 2026-08-02 02:46:52 |
| Expiration Date | 2018-08-18 | ULS 4066561 | 2026-08-02 02:46:52 |
| Cancellation Date | 2018-10-20 | ULS 4066561 | 2026-08-02 02:46:52 |