Universal Licensing System
WNPI545
SAN MATEO, COUNTY OF
License details
| ULS identifier | 1226632 |
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| Call sign | WNPI545 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2021-05-25 |
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| Expiration | 2031-08-15 |
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| Frequency range | 453.125 - 458.55 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | SAN MATEO, SAN MATEO, CA |
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| Coordinates | 37.5141111, -122.2580278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:32 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 453.12500000 | | | 30.000000 | 20.000000 | |
| 1 | 1 | FB2 | 453.55000000 | | | 30.000000 | 20.000000 | |
| 2 | 1 | MO | 458.12500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 458.55000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.12500000 | | 11K3F3E |
| 1 | 1 | 453.55000000 | | 11K3F3E |
| 2 | 1 | 458.12500000 | | 11K3F3E |
| 2 | 1 | 458.55000000 | | 11K3F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 222 W 39TH AVE, SAN MATEO, SAN MATEO, CA | 37.51411111, -122.25802778 | 23.000 m | B | 15.000 m structure / 15.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | -51.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 2 | 455 COUNTY CENTER, REDWOOD CITY, CA | SAN MATEO | 6503634442 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-29 | WNPI545 | LIAUA |
| 2021-05-25 | WNPI545 | LIREN |
| 2021-05-24 | WNPI545 | LETRES |
| 2015-10-27 | WNPI545 | LIMOD |
| 2012-01-12 | WNPI545 | LIMOD |
| 2012-01-11 | WNPI545 | ESCAPR |
| 2011-05-21 | WNPI545 | LIREN |
| 2011-05-20 | WNPI545 | ESCAPR |
| 2002-01-16 | WNPI545 | AUDOPR |
| 2001-07-14 | WNPI545 | LIREN |
| 2000-10-20 | WNPI545 | LICCNV |
| 1996-08-15 | WNPI545 | LIMOD |
| 1996-08-15 | WNPI545 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1226632 | 2026-08-02 01:09:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNPI545 | ULS 1226632 | 2026-08-02 01:09:32 |
| Status | A | ULS 1226632 | 2026-08-02 01:09:32 |
| Service | PW | ULS 1226632 | 2026-08-02 01:09:32 |
| Grant Date | 2021-05-25 | ULS 1226632 | 2026-08-02 01:09:32 |
| Expiration Date | 2031-08-15 | ULS 1226632 | 2026-08-02 01:09:32 |