Universal Licensing System
WIL780
HERNANDEZ, DAVID A
License details
| ULS identifier | 1645339 |
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| Call sign | WIL780 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-07-22 |
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| Expiration | 2004-07-22 |
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| Cancellation | 2004-09-26 |
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| Frequency range | 489.2375 - 492.2375 MHz (2 frequencies) |
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| Locations | 8 |
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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 | 2026-08-23 05:46:08 |
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Licensee
| Name | HERNANDEZ, DAVID A |
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| Applicant type | I |
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| FRN | 0004615845 |
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| Location | SAN LEANDRO, CA |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 489.23750000 | | | 60.000000 | 44.000000 | |
| 2 | 1 | FB6 | 489.23750000 | | | 125.000000 | 350.000000 | |
| 3 | 1 | FB6 | 489.23750000 | | | 60.000000 | 163.000000 | |
| 4 | 1 | FB6 | 489.23750000 | | | 90.000000 | 193.000000 | |
| 5 | 1 | MO | 492.23750000 | | | 25.000000 | 63.000000 | |
| 6 | 1 | MO | 492.23750000 | | | 25.000000 | 63.000000 | |
| 7 | 1 | MO | 492.23750000 | | | 25.000000 | 63.000000 | |
| 8 | 1 | MO | 492.23750000 | | | 25.000000 | 63.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 489.23750000 | | 20K0F3E |
| 2 | 1 | 489.23750000 | | 20K0F3E |
| 3 | 1 | 489.23750000 | | 20K0F3E |
| 4 | 1 | 489.23750000 | | 20K0F3E |
| 5 | 1 | 492.23750000 | | 20K0F3E |
| 6 | 1 | 492.23750000 | | 20K0F3E |
| 7 | 1 | 492.23750000 | | 20K0F3E |
| 8 | 1 | 492.23750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT DIABLO, WALNUT CREEK, CONTRA COSTA, CA | 37.88158333, -121.91913889 | 1091.000 m | TOWER | 73.000 m structure / 86.000 m overall | N |
| 2 | T | MISSION PEAK, FREMONT, SANTA CLARA, CA | 37.48744444, -121.86855556 | 775.000 m | TOWER | 42.000 m structure / 42.000 m overall | N |
| 3 | T | MOUNT VACA, VACAVILLE, SOLANO, CA | 38.40880556, -122.11052778 | 829.000 m | TOWER | 54.000 m structure / 60.000 m overall | N |
| 4 | T | HIHO RIDGE, LIVERMORE, ALAMEDA, CA | 37.51661111, -121.69883333 | 1164.000 m | TOWER | 18.000 m structure / 18.000 m overall | N |
| 5 | T | | | | | | |
| 6 | T | | | | | | |
| 7 | T | | | | | | |
| 8 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 73.000 m | | | | 911.000 | |
| 1 | 2 | T | | 42.000 m | | | | 586.000 | |
| 1 | 3 | T | | 61.000 m | | | | 623.000 | |
| 1 | 4 | T | | 18.000 m | | | | 568.000 | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
| 1 | 8 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1601 NEPTUNE DR, SAN LEANDRO, CA | | 5108959500 |
License history
| Date | File or call sign | Action |
|---|
| 2004-09-26 | WIL780 | LIEXP |
| 2004-04-26 | WIL780 | LETRES |
| 2002-02-25 | WIL780 | AUDOPR |
| 2000-11-23 | WIL780 | LICCNV |
| 1999-11-04 | WIL780 | LIMOD |
| 1999-11-04 | WIL780 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1645339 | 2026-08-23 05:46:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WIL780 | ULS 1645339 | 2026-08-23 05:46:08 |
| Status | E | ULS 1645339 | 2026-08-23 05:46:08 |
| Service | IG | ULS 1645339 | 2026-08-23 05:46:08 |
| Grant Date | 1999-07-22 | ULS 1645339 | 2026-08-23 05:46:08 |
| Expiration Date | 2004-07-22 | ULS 1645339 | 2026-08-23 05:46:08 |
| Cancellation Date | 2004-09-26 | ULS 1645339 | 2026-08-23 05:46:08 |