Universal Licensing System
WRDH641
California Internet, LLC dba GeoLinks
License details
| ULS identifier | 4155867 |
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| Call sign | WRDH641 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2019-05-01 |
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| Expiration | 2029-05-01 |
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| Frequency range | 18015 MHz |
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| Locations | 2 |
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| Representative location | Downy, LOS ANGELES, CA |
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| Coordinates | 33.9246944, -118.1541944 |
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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 |
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| 1 | 1 | FXO | 18015.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 18015.00000000 | | 50M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 7900 Imperial Hwy, Downy, LOS ANGELES, CA | 33.92469444, -118.15419444 | 30.500 m | B | 3.700 m structure / 3.700 m overall | |
| 2 | R | | 33.97194444, -117.94980556 | 393.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP3-18A | | V | 43.5000 | 74.4000 | | |
| 1 | 2 | R | COMMSCOPE VHLP2-18B | | | 38.9000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-26 | WRDH641 | LIASS |
| 2025-09-05 | WRDH641 | LIAUA |
| 2025-08-02 | WRDH641 | LIAUA |
| 2022-07-27 | WRDH641 | LIASS |
| 2021-01-01 | WRDH641 | LIASS |
| 2020-08-04 | WRDH641 | LETCNS |
| 2020-02-11 | WRDH641 | LITRAN |
| 2019-05-01 | WRDH641 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4155867 | 2026-08-02 02:43:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDH641 | ULS 4155867 | 2026-08-02 02:43:45 |
| Status | A | ULS 4155867 | 2026-08-02 02:43:45 |
| Service | MG | ULS 4155867 | 2026-08-02 02:43:45 |
| Grant Date | 2019-05-01 | ULS 4155867 | 2026-08-02 02:43:45 |
| Expiration Date | 2029-05-01 | ULS 4155867 | 2026-08-02 02:43:45 |