Universal Licensing System
WPRJ558
San Francisco, City and County of
License details
| ULS identifier | 1300448 |
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| Call sign | WPRJ558 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2025-07-22 |
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| Expiration | 2035-10-13 |
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| Frequency range | 488.8125 - 492.1875 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | SAN FRANCISCO, SAN MATEO, CA |
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| Coordinates | 37.6193889, -122.3835833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 02:53:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 488.81250000 | | | 50.000000 | 100.000000 | |
| 2 | 1 | FB2 | 488.81250000 | | | 50.000000 | 100.000000 | |
| 1 | 2 | FB2 | 489.18750000 | | | 50.000000 | 100.000000 | |
| 2 | 2 | FB2 | 491.81250000 | | | 50.000000 | 100.000000 | |
| 3 | 1 | MO | 491.81250000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 492.18750000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 488.81250000 | | 20K0F3E |
| 1 | 1 | 488.81250000 | | 20K0F1D |
| 2 | 1 | 488.81250000 | | 20K0F1D |
| 2 | 1 | 488.81250000 | | 20K0F3E |
| 1 | 2 | 489.18750000 | | 20K0F3E |
| 1 | 2 | 489.18750000 | | 20K0F1D |
| 2 | 2 | 491.81250000 | | 20K0F1D |
| 2 | 2 | 491.81250000 | | 20K0F3E |
| 3 | 1 | 491.81250000 | | 20K0F1D |
| 3 | 1 | 491.81250000 | | 20K0F3E |
| 3 | 1 | 492.18750000 | | 20K0F3E |
| 3 | 1 | 492.18750000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SFIA SHORT TERM PARKING, PENTHOUSE, SAN FRANCISCO, SAN MATEO, CA | 37.61938889, -122.38358333 | 2.000 m | B | 21.000 m structure / 21.000 m overall | N |
| 2 | T | SFIA AIRTRAIN M&SF,MCDONELL ROAD, SAN FRANCISCO, SAN MATEO, CA | 37.62188889, -122.40025000 | 2.000 m | B | 20.000 m structure / 20.000 m overall | N |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.000 m | | | | -40.000 | |
| 1 | 2 | T | | 20.000 m | | | | -46.000 | |
| 1 | 3 | T | | | | | | | |
| 2 | 1 | T | | 21.000 m | | | | 0.000 | |
| 2 | 2 | T | | 20.000 m | | | | 0.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | | | 6508762411 |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-22 | WPRJ558 | LIREN |
| 2025-07-21 | WPRJ558 | LETRES |
| 2017-09-16 | WPRJ558 | LIAUA |
| 2015-10-02 | WPRJ558 | LIREN |
| 2015-10-01 | WPRJ558 | ESUAPR |
| 2015-09-13 | WPRJ558 | ESURNW |
| 2015-08-14 | WPRJ558 | ESURNW |
| 2015-07-20 | WPRJ558 | LETRES |
| 2015-07-15 | WPRJ558 | ESURNW |
| 2013-09-20 | WPRJ558 | LIAUA |
| 2013-09-19 | WPRJ558 | ESUAPR |
| 2013-03-09 | WPRJ558 | LIAUA |
| 2013-03-08 | WPRJ558 | ESUAPR |
| 2013-03-06 | WPRJ558 | LIAUA |
| 2013-03-05 | WPRJ558 | ESUAPR |
| 2013-02-27 | WPRJ558 | COR |
| 2012-02-02 | WPRJ558 | LIAUA |
| 2012-02-01 | WPRJ558 | ESUAPR |
| 2012-01-13 | WPRJ558 | LIAUA |
| 2012-01-13 | WPRJ558 | ESCAPR |
| 2012-01-12 | WPRJ558 | EFUAPR |
| 2012-01-12 | WPRJ558 | ESUAPR |
| 2005-07-16 | WPRJ558 | LIREN |
| 2003-01-28 | WPRJ558 | LIMOD |
| 2002-09-12 | WPRJ558 | COR |
| 2001-12-10 | WPRJ558 | AUDOPR |
| 2000-10-20 | WPRJ558 | LICCNV |
| 2000-10-13 | WPRJ558 | AUTHPR |
| 2000-10-13 | WPRJ558 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1300448 | 2026-08-09 02:53:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRJ558 | ULS 1300448 | 2026-08-09 02:53:59 |
| Status | A | ULS 1300448 | 2026-08-09 02:53:59 |
| Service | PW | ULS 1300448 | 2026-08-09 02:53:59 |
| Grant Date | 2025-07-22 | ULS 1300448 | 2026-08-09 02:53:59 |
| Expiration Date | 2035-10-13 | ULS 1300448 | 2026-08-09 02:53:59 |