Universal Licensing System
WPER997
STATE OF CALIFORNIA
License details
| ULS identifier | 1174981 |
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| Call sign | WPER997 |
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| Radio service | GE |
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| Status | A |
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| Grant date | 2024-02-08 |
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| Expiration | 2034-05-04 |
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| Frequency range | 811.9875 - 857.0875 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
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| Coordinates | 37.8813056, -121.9155278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:40 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FX1 | 811.98750000 | | | 35.000000 | 55.000000 | |
| 2 | 1 | FX1 | 812.08750000 | | | 35.000000 | 55.000000 | |
| 1 | 1 | FB | 856.98750000 | | | 35.000000 | 30.000000 | |
| 1 | 1 | FB2 | 856.98750000 | | | 35.000000 | 30.000000 | |
| 1 | 1 | FB2 | 857.08750000 | | | 35.000000 | 30.000000 | |
| 1 | 1 | FB | 857.08750000 | | | 35.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 811.98750000 | | 20K0F3E |
| 2 | 1 | 812.08750000 | | 20K0F3E |
| 1 | 1 | 856.98750000 | | 20K0F3E |
| 1 | 1 | 856.98750000 | | 20K0F3E |
| 1 | 1 | 857.08750000 | | 20K0F3E |
| 1 | 1 | 857.08750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT DIABLO 13 KM E, WALNUT CREEK, CONTRA COSTA, CA | 37.88130556, -121.91552778 | 1170.000 m | TOWER | 18.000 m structure / 20.000 m overall | N |
| 2 | T | CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 20.000 m | | | | 958.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 111 GRAND AVE, OAKLAND, CA | | 9166579999 |
License history
| Date | File or call sign | Action |
|---|
| 2024-02-08 | WPER997 | LIREN |
| 2020-04-28 | WPER997 | LIAUA |
| 2015-05-28 | WPER997 | LIMOD |
| 2015-05-26 | WPER997 | ESUAPR |
| 2015-02-13 | WPER997 | LIAUA |
| 2015-02-12 | WPER997 | ESUAPR |
| 2014-03-25 | WPER997 | LIREN |
| 2014-02-10 | WPER997 | LETRES |
| 2014-02-03 | WPER997 | ESURNW |
| 2010-12-24 | WPER997 | LIAUA |
| 2010-12-23 | WPER997 | ESUAPR |
| 2009-06-09 | WPER997 | LETCNS |
| 2008-09-10 | WPER997 | LIMOD |
| 2008-09-09 | WPER997 | ESCAPR |
| 2004-03-17 | WPER997 | LIREN |
| 2004-02-09 | WPER997 | LETRES |
| 2000-10-19 | WPER997 | LICCNV |
| 1999-03-26 | WPER997 | LIREN |
| 1999-03-26 | WPER997 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1174981 | 2026-08-02 01:15:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPER997 | ULS 1174981 | 2026-08-02 01:15:40 |
| Status | A | ULS 1174981 | 2026-08-02 01:15:40 |
| Service | GE | ULS 1174981 | 2026-08-02 01:15:40 |
| Grant Date | 2024-02-08 | ULS 1174981 | 2026-08-02 01:15:40 |
| Expiration Date | 2034-05-04 | ULS 1174981 | 2026-08-02 01:15:40 |