Universal Licensing System
WRFF528
HAYWARD UNIFIED SCHOOL DISTRICT
License details
| ULS identifier | 4252823 |
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| Call sign | WRFF528 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-02-20 |
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| Expiration | 2030-02-20 |
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| Frequency range | 462.875 - 465 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | HAYWARD, ALAMEDA, CA |
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| Coordinates | 37.6239444, -122.0906667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 462.87500000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | FB | 465.00000000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.87500000 | | 11K2F1D |
| 2 | 1 | 465.00000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2300 PANAMA STREET, HAYWARD, ALAMEDA, CA | 37.62394444, -122.09066667 | 7.000 m | B | 9.000 m structure / 9.000 m overall | |
| 2 | T | 119 WEST WINTON AVENUE, HAYWARD, ALAMEDA, CA | 37.66016667, -122.09008333 | 25.000 m | B | 9.000 m structure / 9.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 4.000 m | | | | -63.000 | |
| 1 | 2 | T | | 4.000 m | | | | -68.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2300 PANAMA STREET, HAYWARD, CA | ALAMEDA | 5107842600 |
| 2 | 119 WEST WINTON AVENUE, HAYWARD, CA | ALAMEDA | 5107842600 |
License history
| Date | File or call sign | Action |
|---|
| 2020-02-20 | WRFF528 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4252823 | 2026-08-02 01:23:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFF528 | ULS 4252823 | 2026-08-02 01:23:36 |
| Status | A | ULS 4252823 | 2026-08-02 01:23:36 |
| Service | IG | ULS 4252823 | 2026-08-02 01:23:36 |
| Grant Date | 2020-02-20 | ULS 4252823 | 2026-08-02 01:23:36 |
| Expiration Date | 2030-02-20 | ULS 4252823 | 2026-08-02 01:23:36 |