Universal Licensing System
WRFN937
Treat Towers Owner LLC
License details
| ULS identifier | 4269226 |
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| Call sign | WRFN937 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-04-04 |
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| Expiration | 2030-04-04 |
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| Frequency range | 452.8375 - 457.8375 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Walnut Creek, CONTRA COSTA, CA |
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| Coordinates | 37.9266944, -122.0610278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:43 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.83750000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 452.83750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.83750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.83750000 | | 7K60FXE |
| 1 | 1 | 452.83750000 | | 7K60FXD |
| 2 | 1 | 452.83750000 | | 7K60FXE |
| 2 | 1 | 452.83750000 | | 7K60FXD |
| 2 | 1 | 457.83750000 | | 7K60FXE |
| 2 | 1 | 457.83750000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1227 Treat Boulevard, Walnut Creek, CONTRA COSTA, CA | 37.92669444, -122.06102778 | 25.000 m | B | 39.600 m structure / 39.600 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 20.400 m | | | | -120.200 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1255 Treat Boulevard Suite 210, Walnut Creek, CA | CONTRA COSTA | 5107099422 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-24 | WRFN937 | LIAUA |
| 2020-04-04 | WRFN937 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4269226 | 2026-08-02 01:23:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFN937 | ULS 4269226 | 2026-08-02 01:23:43 |
| Status | A | ULS 4269226 | 2026-08-02 01:23:43 |
| Service | IG | ULS 4269226 | 2026-08-02 01:23:43 |
| Grant Date | 2020-04-04 | ULS 4269226 | 2026-08-02 01:23:43 |
| Expiration Date | 2030-04-04 | ULS 4269226 | 2026-08-02 01:23:43 |