Universal Licensing System
WPIY847
DIABLO SOLAR SERVICES INC
License details
| ULS identifier | 1929190 |
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| Call sign | WPIY847 |
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| Radio service | YU |
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| Status | E |
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| Grant date | 1996-02-27 |
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| Expiration | 2001-02-27 |
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| Cancellation | 2001-05-06 |
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| Frequency range | 897.2375 - 938.65 MHz (6 frequencies) |
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| Locations | 3 |
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| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
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| Coordinates | 37.8815833, -121.9191389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:06 |
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Licensee
| Name | DIABLO SOLAR SERVICES INC |
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| Applicant type | C |
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| Location | MARTINEZ, CA |
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| Address | 5021 BLUM RD, MARTINEZ, CA, 94553 |
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| Phone | 5103130600 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FX1 | 897.23750000 | | | 15.000000 | 30.000000 | |
| 3 | 1 | MO | 897.23750000 | | | 15.000000 | 30.000000 | |
| 2 | 1 | FX1 | 898.70000000 | | | 15.000000 | 30.000000 | |
| 3 | 1 | MO | 898.70000000 | | | 15.000000 | 30.000000 | |
| 2 | 1 | FX1 | 899.65000000 | | | 15.000000 | 30.000000 | |
| 3 | 1 | MO | 899.65000000 | | | 15.000000 | 30.000000 | |
| 1 | 1 | FB4C | 936.23750000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 937.70000000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.65000000 | | | 100.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 897.23750000 | | 13K6F3E |
| 3 | 1 | 897.23750000 | | 13K6F3E |
| 2 | 1 | 898.70000000 | | 13K6F3E |
| 3 | 1 | 898.70000000 | | 13K6F3E |
| 2 | 1 | 899.65000000 | | 13K6F3E |
| 3 | 1 | 899.65000000 | | 13K6F3E |
| 1 | 1 | 936.23750000 | | 13K6F3E |
| 1 | 1 | 937.70000000 | | 13K6F3E |
| 1 | 1 | 938.65000000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT DIABLO STATE PARK 9 MI E, WALNUT CREEK, CONTRA COSTA, CA | 37.88158333, -121.91913889 | 1091.000 m | TOWER | 78.000 m structure / 87.000 m overall | N |
| 2 | T | CA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 79.000 m | | | | 914.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 5011 BLUM RD, MARTINEZ, CA | | 5103709660 |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-06 | WPIY847 | LIEXP |
| 2000-12-04 | WPIY847 | LETRES |
| 2000-11-24 | WPIY847 | LICCNV |
| 1996-02-27 | WPIY847 | AUTHPR |
| 1996-02-27 | WPIY847 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1929190 | 2026-08-02 01:28:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPIY847 | ULS 1929190 | 2026-08-02 01:28:06 |
| Status | E | ULS 1929190 | 2026-08-02 01:28:06 |
| Service | YU | ULS 1929190 | 2026-08-02 01:28:06 |
| Grant Date | 1996-02-27 | ULS 1929190 | 2026-08-02 01:28:06 |
| Expiration Date | 2001-02-27 | ULS 1929190 | 2026-08-02 01:28:06 |
| Cancellation Date | 2001-05-06 | ULS 1929190 | 2026-08-02 01:28:06 |