Universal Licensing System
WRFX283
ACWD - ALAMEDA COUNTY WATER DISTRICT
License details
| ULS identifier | 4280960 |
|---|
| Call sign | WRFX283 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2020-05-20 |
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| Expiration | 2030-05-20 |
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| Frequency range | 17980 - 18060 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Fremont, ALAMEDA, CA |
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| Coordinates | 37.5675833, -121.9786111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:25 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17980.00000000 | | 60M0D1W |
| 1 | 1 | 17980.00000000 | | 60M0D1W |
| 1 | 1 | 17980.00000000 | | 60M0D1W |
| 1 | 1 | 17980.00000000 | | 60M0D1W |
| 1 | 1 | 17980.00000000 | | 60M0D1W |
| 1 | 1 | 17980.00000000 | | 60M0D1W |
| 1 | 1 | 17980.00000000 | | 60M0D1W |
| 1 | 1 | 17980.00000000 | | 60M0D1W |
| 1 | 1 | 17980.00000000 | | 60M0D1W |
| 1 | 2 | 18060.00000000 | | 60M0D1W |
| 1 | 2 | 18060.00000000 | | 60M0D1W |
| 1 | 2 | 18060.00000000 | | 60M0D1W |
| 1 | 2 | 18060.00000000 | | 60M0D1W |
| 1 | 2 | 18060.00000000 | | 60M0D1W |
| 1 | 2 | 18060.00000000 | | 60M0D1W |
| 1 | 2 | 18060.00000000 | | 60M0D1W |
| 1 | 2 | 18060.00000000 | | 60M0D1W |
| 1 | 2 | 18060.00000000 | | 60M0D1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Mowry Ave, Fremont, ALAMEDA, CA | 37.56758333, -121.97861111 | 20.000 m | LTOWER | 15.200 m structure / 15.200 m overall | |
| 2 | R | | 37.54041667, -122.08233333 | 84.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLPX2-18C | | H | 39.0000 | 251.8000 | | |
| 1 | 2 | R | Commscope VHLPX2-18C | | | 39.0000 | 0.0000 | | |
| 2 | 1 | T | Commscope VHLPX2-18C | | V | 39.0000 | 251.8000 | | |
| 2 | 2 | R | Commscope VHLPX2-18C | | | 39.0000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-05-20 | WRFX283 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4280960 | 2026-08-02 02:43:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFX283 | ULS 4280960 | 2026-08-02 02:43:25 |
| Status | A | ULS 4280960 | 2026-08-02 02:43:25 |
| Service | MW | ULS 4280960 | 2026-08-02 02:43:25 |
| Grant Date | 2020-05-20 | ULS 4280960 | 2026-08-02 02:43:25 |
| Expiration Date | 2030-05-20 | ULS 4280960 | 2026-08-02 02:43:25 |