Universal Licensing System
WPNM311
DIABLO WATER DISTRICT
License details
| ULS identifier | 1045685 |
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| Call sign | WPNM311 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2018-04-14 |
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| Expiration | 2028-05-19 |
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| Frequency range | 956.36875 MHz |
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| Locations | 1 |
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| Representative location | OAKLEY, CONTRA COSTA, CA |
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| Coordinates | 38.1768333, -122.0857778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:28 |
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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 | MO | 956.36875000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 956.36875000 | | 12K5A1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | VARIOUS LOCATIONS, OAKLEY, CONTRA COSTA, CA | 38.17683333, -122.08577778 | | | 2.400 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 5.0000 | 360.0000 | | |
| 2 | 1 | R | | | | 2.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2018-04-14 | WPNM311 | LIREN |
| 2018-02-26 | WPNM311 | LETRES |
| 2008-03-26 | WPNM311 | LIREN |
| 2008-03-25 | WPNM311 | ESCAPR |
| 2008-03-25 | WPNM311 | ESCFRN |
| 2008-02-19 | WPNM311 | LETRES |
| 1999-08-14 | WPNM311 | LICCNV |
| 1998-05-19 | WPNM311 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1045685 | 2026-08-02 02:45:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPNM311 | ULS 1045685 | 2026-08-02 02:45:28 |
| Status | A | ULS 1045685 | 2026-08-02 02:45:28 |
| Service | MG | ULS 1045685 | 2026-08-02 02:45:28 |
| Grant Date | 2018-04-14 | ULS 1045685 | 2026-08-02 02:45:28 |
| Expiration Date | 2028-05-19 | ULS 1045685 | 2026-08-02 02:45:28 |