Universal Licensing System
WRBU843
California Internet, LLC dba GeoLinks
License details
| ULS identifier | 4060178 |
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| Call sign | WRBU843 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2018-06-26 |
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| Expiration | 2028-06-26 |
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| Frequency range | 19675 MHz |
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| Locations | 2 |
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| Representative location | Livemore, ALAMEDA, CA |
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| Coordinates | 37.6941667, -121.7416944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:45 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 19675.00000000 | | | | | |
| 1 | 1 | FXO | 19675.00000000 | | | | | |
| 1 | 1 | FXO | 19675.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19675.00000000 | | 50M0G7W |
| 1 | 1 | 19675.00000000 | | 50M0D7W |
| 1 | 1 | 19675.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 459 Las Positas Rd, Livemore, ALAMEDA, CA | 37.69416667, -121.74169444 | 162.200 m | B | 7.900 m structure / 7.900 m overall | |
| 2 | R | | 37.62000000, -121.92138889 | 665.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP2-18C | | V | 39.0000 | 242.6000 | | |
| 1 | 2 | R | COMMSCOPE VHLP2-18C | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-26 | WRBU843 | LIASS |
| 2025-09-05 | WRBU843 | LIAUA |
| 2025-08-02 | WRBU843 | LIAUA |
| 2022-07-27 | WRBU843 | LIASS |
| 2021-01-01 | WRBU843 | LIASS |
| 2020-02-11 | WRBU843 | LITRAN |
| 2019-09-24 | WRBU843 | LETCNS |
| 2018-06-26 | WRBU843 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4060178 | 2026-08-02 02:43:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBU843 | ULS 4060178 | 2026-08-02 02:43:45 |
| Status | A | ULS 4060178 | 2026-08-02 02:43:45 |
| Service | MG | ULS 4060178 | 2026-08-02 02:43:45 |
| Grant Date | 2018-06-26 | ULS 4060178 | 2026-08-02 02:43:45 |
| Expiration Date | 2028-06-26 | ULS 4060178 | 2026-08-02 02:43:45 |