Universal Licensing System
WPMX481
SOUTH SAN FRANCISCO, CITY OF
License details
| ULS identifier | 1295526 |
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| Call sign | WPMX481 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2023-12-22 |
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| Expiration | 2034-03-12 |
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| Frequency range | 155.4 MHz |
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| Locations | 2 |
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| Representative location | SOUTH SAN FRANCISCO, SAN MATEO, CA |
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| Coordinates | 37.6646667, -122.4196944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:06 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 155.40000000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 155.40000000 | | | 110.000000 | 110.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 155.40000000 | | 11K3F3E |
| 2 | 1 | 155.40000000 | | 11K3F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SIGN HILL, SOUTH SAN FRANCISCO, SAN MATEO, CA | 37.66466667, -122.41969444 | 177.000 m | TOWER | 14.000 m structure / 17.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 5.000 m | | | | 132.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 33 ARROYO DR, SOUTH SAN FRANCISCO, CA | SAN MATEO | 6508778670 |
License history
| Date | File or call sign | Action |
|---|
| 2023-12-22 | WPMX481 | LIREN |
| 2023-12-18 | WPMX481 | LETRES |
| 2013-12-18 | WPMX481 | LIREN |
| 2013-12-17 | WPMX481 | ESUAPR |
| 2013-12-16 | WPMX481 | LETRES |
| 2013-12-12 | WPMX481 | ESURNW |
| 2007-04-19 | WPMX481 | LIAUA |
| 2007-04-19 | WPMX481 | ESUAPR |
| 2003-12-15 | WPMX481 | LETRES |
| 2002-02-04 | WPMX481 | AUDOPR |
| 2000-10-20 | WPMX481 | LICCNV |
| 1999-03-12 | WPMX481 | AUTHPR |
| 1999-03-12 | WPMX481 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1295526 | 2026-08-02 01:15:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMX481 | ULS 1295526 | 2026-08-02 01:15:06 |
| Status | A | ULS 1295526 | 2026-08-02 01:15:06 |
| Service | PW | ULS 1295526 | 2026-08-02 01:15:06 |
| Grant Date | 2023-12-22 | ULS 1295526 | 2026-08-02 01:15:06 |
| Expiration Date | 2034-03-12 | ULS 1295526 | 2026-08-02 01:15:06 |