Universal Licensing System
WPTR552
City of Martinez
License details
| ULS identifier | 2366372 |
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| Call sign | WPTR552 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2011-09-28 |
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| Expiration | 2021-11-29 |
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| Cancellation | 2022-01-29 |
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| Frequency range | 0.53 MHz |
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| Locations | 1 |
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| Representative location | Martinez, CONTRA COSTA, CA |
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| Coordinates | 38.0065833, -122.1261667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 0.53000000 | | | 10.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 0.53000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2251 Harborview Dr, Martinez, CONTRA COSTA, CA | 38.00658333, -122.12616667 | 65.000 m | TANK | 9.000 m structure / 9.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | V | -6.0000 | 360.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 525 Henrietta St, Martinez, CA | CONTRA COSTA | 9253723440 |
License history
| Date | File or call sign | Action |
|---|
| 2022-01-29 | WPTR552 | LIEXP |
| 2021-11-19 | WPTR552 | ESURNW |
| 2021-10-30 | WPTR552 | ESURNW |
| 2021-09-30 | WPTR552 | ESURNW |
| 2021-09-06 | WPTR552 | LETRES |
| 2011-09-28 | WPTR552 | LIREN |
| 2011-09-05 | WPTR552 | LETRES |
| 2011-08-31 | WPTR552 | ESURNW |
| 2008-04-04 | WPTR552 | LIAUA |
| 2008-04-03 | WPTR552 | ESUAPR |
| 2002-09-27 | WPTR552 | COR |
| 2002-08-26 | WPTR552 | LETCNS |
| 2001-11-29 | WPTR552 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2366372 | 2026-08-02 01:13:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTR552 | ULS 2366372 | 2026-08-02 01:13:59 |
| Status | E | ULS 2366372 | 2026-08-02 01:13:59 |
| Service | PW | ULS 2366372 | 2026-08-02 01:13:59 |
| Grant Date | 2011-09-28 | ULS 2366372 | 2026-08-02 01:13:59 |
| Expiration Date | 2021-11-29 | ULS 2366372 | 2026-08-02 01:13:59 |
| Cancellation Date | 2022-01-29 | ULS 2366372 | 2026-08-02 01:13:59 |