Universal Licensing System
WSIR521
Wilson Elementary School
License details
| ULS identifier | 5149518 |
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| Call sign | WSIR521 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-06-11 |
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| Expiration | 2035-06-11 |
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| Frequency range | 451.4125 - 462.5125 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Gridley, BUTTE, CA |
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| Coordinates | 39.3625556, -121.6910556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:14 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.41250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 452.18750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 456.41250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 457.18750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 462.51250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.41250000 | | 11K0F3E |
| 1 | 1 | 451.41250000 | | 7K60F1E |
| 1 | 1 | 452.18750000 | | 7K60F1E |
| 1 | 1 | 452.18750000 | | 11K0F3E |
| 1 | 1 | 456.41250000 | | 7K60F1E |
| 1 | 1 | 456.41250000 | | 11K0F3E |
| 1 | 1 | 457.18750000 | | 11K0F3E |
| 1 | 1 | 457.18750000 | | 7K60F1E |
| 1 | 1 | 462.51250000 | | 7K60F1E |
| 1 | 1 | 462.51250000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Gridley, BUTTE, CA | 39.36255556, -121.69105556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 409 Magnolia St, Gridley, CA | BUTTE | 5308463675 |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-10 | WSIR521 | LETCNS |
| 2025-06-11 | WSIR521 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5149518 | 2026-08-02 01:24:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIR521 | ULS 5149518 | 2026-08-02 01:24:14 |
| Status | A | ULS 5149518 | 2026-08-02 01:24:14 |
| Service | IG | ULS 5149518 | 2026-08-02 01:24:14 |
| Grant Date | 2025-06-11 | ULS 5149518 | 2026-08-02 01:24:14 |
| Expiration Date | 2035-06-11 | ULS 5149518 | 2026-08-02 01:24:14 |