Universal Licensing System
WEF574
SAN MATEO, COUNTY OF
License details
| ULS identifier | 975273 |
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| Call sign | WEF574 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2022-04-29 |
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| Expiration | 2032-06-03 |
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| Frequency range | 6855 - 18985 MHz (3 frequencies) |
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| Locations | 4 |
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| Representative location | SOUTH SAN FRANCISCO, SAN MATEO, CA |
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| Coordinates | 37.6646389, -122.4196667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:09 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FXO | 6855.00000000 | | | | | |
| 1 | 5 | FXO | 18925.00000000 | | | | | |
| 1 | 6 | FXO | 18985.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 6855.00000000 | | 10M0F7W |
| 1 | 5 | 18925.00000000 | | 10M0F7W |
| 1 | 6 | 18985.00000000 | | 10M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SIGN HILL, SOUTH SAN FRANCISCO, SAN MATEO, CA | 37.66463889, -122.41966667 | 177.100 m | B | 5.800 m structure / 6.400 m overall | N |
| 5 | R | | 37.48825000, -122.23050000 | 1.500 m | | | |
| 6 | R | | 37.65908333, -122.43525000 | 13.700 m | | | |
| 7 | R | | 37.64436111, -122.42163889 | 7.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 5 | R | | | | 42.4000 | | | |
| 1 | 6 | R | | | | 38.9000 | | | |
| 1 | 7 | R | | | | 38.9000 | | | |
| 4 | 1 | T | | | H | 42.4000 | 139.5000 | | |
| 5 | 1 | T | | | H | 38.9000 | 245.8000 | | |
| 6 | 1 | T | | | V | 38.9000 | 184.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-23 | WEF574 | LIAUA |
| 2022-04-29 | WEF574 | LIREN |
| 2015-03-13 | WEF574 | LIMOD |
| 2015-02-23 | WEF574 | ESCAPR |
| 2012-03-08 | WEF574 | LIREN |
| 2011-11-10 | WEF574 | LIMOD |
| 2011-10-12 | WEF574 | ESCAPR |
| 2010-10-08 | WEF574 | LIMOD |
| 2010-09-15 | WEF574 | ESCAPR |
| 2002-03-07 | WEF574 | LIREN |
| 1999-08-13 | WEF574 | LICCNV |
| 1997-06-03 | WEF574 | LIREN |
| 1991-09-05 | WEF574 | LIMOD |
| 1988-01-11 | WEF574 | LIMOD |
| 1984-08-03 | WEF574 | LIMOD |
| 1983-10-21 | WEF574 | LIMOD |
| 1983-05-10 | WEF574 | LIMOD |
| 1983-05-06 | WEF574 | LIMOD |
| 1983-04-26 | WEF574 | LIMOD |
| 1979-12-08 | WEF574 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 975273 | 2026-08-02 02:48:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WEF574 | ULS 975273 | 2026-08-02 02:48:09 |
| Status | A | ULS 975273 | 2026-08-02 02:48:09 |
| Service | MW | ULS 975273 | 2026-08-02 02:48:09 |
| Grant Date | 2022-04-29 | ULS 975273 | 2026-08-02 02:48:09 |
| Expiration Date | 2032-06-03 | ULS 975273 | 2026-08-02 02:48:09 |