Universal Licensing System
WRDX819
California Internet, LLC dba GeoLinks
License details
| ULS identifier | 4189541 |
|---|
| Call sign | WRDX819 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2019-08-15 |
|---|
| Expiration | 2029-08-15 |
|---|
| Frequency range | 23125 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Berkeley, ALAMEDA, CA |
|---|
| Coordinates | 37.8866389, -122.3031667 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:43:48 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 23125.00000000 | | | | | |
| 1 | 1 | FXO | 23125.00000000 | | | | | |
| 1 | 1 | FXO | 23125.00000000 | | | | | |
| 1 | 1 | FXO | 23125.00000000 | | | | | |
| 1 | 1 | FXO | 23125.00000000 | | | | | |
| 1 | 1 | FXO | 23125.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 23125.00000000 | | 50M0G7W |
| 1 | 1 | 23125.00000000 | | 50M0D7W |
| 1 | 1 | 23125.00000000 | | 50M0D7W |
| 1 | 1 | 23125.00000000 | | 50M0D7W |
| 1 | 1 | 23125.00000000 | | 50M0D7W |
| 1 | 1 | 23125.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | USDA W Regional Research Laboratory, Berkeley, ALAMEDA, CA | 37.88663889, -122.30316667 | 6.100 m | B | 3.700 m structure / 3.700 m overall | |
| 2 | R | | 37.87358333, -122.21986111 | 521.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP2-23C | | V | 40.7000 | 101.2000 | | |
| 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 | WRDX819 | LIASS |
| 2025-09-05 | WRDX819 | LIAUA |
| 2025-08-02 | WRDX819 | LIAUA |
| 2022-07-27 | WRDX819 | LIASS |
| 2021-01-01 | WRDX819 | LIASS |
| 2020-11-17 | WRDX819 | LETCNS |
| 2020-02-11 | WRDX819 | LITRAN |
| 2019-08-15 | WRDX819 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4189541 | 2026-08-02 02:43:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDX819 | ULS 4189541 | 2026-08-02 02:43:48 |
| Status | A | ULS 4189541 | 2026-08-02 02:43:48 |
| Service | MG | ULS 4189541 | 2026-08-02 02:43:48 |
| Grant Date | 2019-08-15 | ULS 4189541 | 2026-08-02 02:43:48 |
| Expiration Date | 2029-08-15 | ULS 4189541 | 2026-08-02 02:43:48 |