Universal Licensing System
WRBU433
California Internet, LLC dba GeoLinks
License details
| ULS identifier | 4058791 |
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| Call sign | WRBU433 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2018-06-21 |
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| Expiration | 2028-06-21 |
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| Frequency range | 21925 MHz |
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| Locations | 2 |
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| Representative location | UNION CITY, ALAMEDA, CA |
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| Coordinates | 37.6106111, -122.0775278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:48 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21925.00000000 | | 50M0G7W |
| 1 | 1 | 21925.00000000 | | 50M0D7W |
| 1 | 1 | 21925.00000000 | | 50M0D7W |
| 1 | 1 | 21925.00000000 | | 50M0D7W |
| 1 | 1 | 21925.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 30031 AHERN AVE, UNION CITY, ALAMEDA, CA | 37.61061111, -122.07752778 | 4.300 m | B | 10.700 m structure / 10.700 m overall | |
| 2 | R | | 37.66283333, -122.02636111 | 331.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP2-23B | | V | 40.5000 | 37.9000 | | |
| 1 | 2 | R | COMMSCOPE VHLP1-23C | | | 35.6000 | | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-26 | WRBU433 | LIASS |
| 2025-09-05 | WRBU433 | LIAUA |
| 2025-08-02 | WRBU433 | LIAUA |
| 2022-07-27 | WRBU433 | LIASS |
| 2021-01-01 | WRBU433 | LIASS |
| 2020-02-11 | WRBU433 | LITRAN |
| 2019-09-24 | WRBU433 | LETCNS |
| 2018-06-21 | WRBU433 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4058791 | 2026-08-02 02:43:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBU433 | ULS 4058791 | 2026-08-02 02:43:48 |
| Status | A | ULS 4058791 | 2026-08-02 02:43:48 |
| Service | MG | ULS 4058791 | 2026-08-02 02:43:48 |
| Grant Date | 2018-06-21 | ULS 4058791 | 2026-08-02 02:43:48 |
| Expiration Date | 2028-06-21 | ULS 4058791 | 2026-08-02 02:43:48 |