Universal Licensing System
WPOP277
CONTRA COSTA, COUNTY OF
License details
| ULS identifier | 1047186 |
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| Call sign | WPOP277 |
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| Radio service | MW |
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| Status | C |
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| Grant date | 2018-02-14 |
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| Expiration | 2028-04-10 |
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| Cancellation | 2024-02-23 |
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| Frequency range | 10557.5 MHz |
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| Locations | 2 |
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| Representative location | MARTINEZ, CONTRA COSTA, CA |
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| Coordinates | 38.0063056, -122.1330000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:42:28 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 10557.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10557.50000000 | | 5M00D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 2500 ALHAMBRA AVE, MARTINEZ, CONTRA COSTA, CA | 38.00630556, -122.13300000 | 22.900 m | B | 35.100 m structure / 35.100 m overall | N |
| 2 | R | | 38.01936111, -122.13355556 | 4.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORP. P4-105A | | V | 39.9000 | 358.1000 | | |
| 1 | 2 | R | ANDREW CORP. P4-105A | | | 39.9000 | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 30 DOUGLAS DRIVE, MARTINEZ, CA | CONTRA COSTA | 9259577701 |
License history
| Date | File or call sign | Action |
|---|
| 2024-02-24 | WPOP277 | LICAN |
| 2020-07-23 | WPOP277 | LIAUA |
| 2020-05-08 | WPOP277 | LIAUA |
| 2018-02-14 | WPOP277 | LIREN |
| 2018-02-09 | WPOP277 | ESURNW |
| 2018-01-15 | WPOP277 | LETRES |
| 2018-01-10 | WPOP277 | ESURNW |
| 2012-08-14 | WPOP277 | LTSAPR |
| 2012-08-13 | WPOP277 | EFCAPR |
| 2012-06-16 | WPOP277 | LIAUA |
| 2012-06-15 | WPOP277 | ESCAPR |
| 2008-02-28 | WPOP277 | LIREN |
| 2008-02-27 | WPOP277 | ESCAPR |
| 2008-01-14 | WPOP277 | LETRES |
| 2005-04-12 | WPOP277 | LIMOD |
| 2005-04-11 | WPOP277 | ESCAPR |
| 2000-03-11 | WPOP277 | LIAUA |
| 1999-08-14 | WPOP277 | LICCNV |
| 1998-08-28 | WPOP277 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1047186 | 2026-08-02 02:42:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPOP277 | ULS 1047186 | 2026-08-02 02:42:28 |
| Status | C | ULS 1047186 | 2026-08-02 02:42:28 |
| Service | MW | ULS 1047186 | 2026-08-02 02:42:28 |
| Grant Date | 2018-02-14 | ULS 1047186 | 2026-08-02 02:42:28 |
| Expiration Date | 2028-04-10 | ULS 1047186 | 2026-08-02 02:42:28 |
| Cancellation Date | 2024-02-23 | ULS 1047186 | 2026-08-02 02:42:28 |