Universal Licensing System
WNDN551
Hernandez, David A
License details
| ULS identifier | 1586086 |
|---|
| Call sign | WNDN551 |
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| Radio service | GO |
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| Status | A |
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| Grant date | 2021-03-04 |
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| Expiration | 2031-01-24 |
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| Frequency range | 810.8625 - 855.8625 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | PACIFICA, SAN MATEO, CA |
|---|
| Coordinates | 37.5610556, -122.4777500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-23 05:45:44 |
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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 | FX1 | 810.86250000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 810.86250000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | FB2 | 855.86250000 | | | 75.000000 | 82.000000 | |
| 3 | 1 | FB2 | 855.86250000 | | | 75.000000 | 82.000000 | |
| 4 | 1 | MO | 855.86250000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 810.86250000 | | 20K0F3E |
| 1 | 1 | 810.86250000 | | 4K00F1D |
| 1 | 1 | 810.86250000 | | 4K00F2D |
| 1 | 1 | 810.86250000 | | 4K00F7W |
| 1 | 1 | 810.86250000 | | 7K60FXE |
| 1 | 1 | 810.86250000 | | 4K00F1E |
| 4 | 1 | 810.86250000 | | 7K60FXE |
| 4 | 1 | 810.86250000 | | 4K00F7W |
| 4 | 1 | 810.86250000 | | 4K00F1E |
| 4 | 1 | 810.86250000 | | 20K0F3E |
| 4 | 1 | 810.86250000 | | 4K00F1D |
| 4 | 1 | 810.86250000 | | 4K00F2D |
| 2 | 1 | 855.86250000 | | 4K00F1E |
| 2 | 1 | 855.86250000 | | 7K60FXE |
| 2 | 1 | 855.86250000 | | 20K0F3E |
| 2 | 1 | 855.86250000 | | 4K00F1D |
| 2 | 1 | 855.86250000 | | 4K00F7W |
| 2 | 1 | 855.86250000 | | 4K00F2D |
| 3 | 1 | 855.86250000 | | 4K00F1D |
| 3 | 1 | 855.86250000 | | 4K00F2D |
| 3 | 1 | 855.86250000 | | 4K00F1E |
| 3 | 1 | 855.86250000 | | 20K0F3E |
| 3 | 1 | 855.86250000 | | 7K60FXE |
| 3 | 1 | 855.86250000 | | 4K00F7W |
| 4 | 1 | 855.86250000 | | 4K00F7W |
| 4 | 1 | 855.86250000 | | 4K00F1D |
| 4 | 1 | 855.86250000 | | 20K0F3E |
| 4 | 1 | 855.86250000 | | 4K00F1E |
| 4 | 1 | 855.86250000 | | 7K60FXE |
| 4 | 1 | 855.86250000 | | 4K00F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CA | | | | | |
| 2 | T | MONTARA NORTH PEAK, PACIFICA, SAN MATEO, CA | 37.56105556, -122.47775000 | 579.000 m | | | N |
| 3 | T | WEIDEMANN HILL, SAN RAMON, CONTRA COSTA, CA | 37.73825000, -121.99497222 | 562.000 m | | | N |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 16.000 m | | | | 461.000 | |
| 1 | 3 | T | | 34.000 m | | | | 401.000 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 1601 Neptune Drive, San Leandro, CA | ALAMEDA | 5108959500 |
License history
| Date | File or call sign | Action |
|---|
| 2021-03-04 | WNDN551 | LIREN |
| 2020-11-02 | WNDN551 | LETRES |
| 2011-03-24 | WNDN551 | AUTHPR |
| 2011-03-18 | WNDN551 | LIREN |
| 2011-02-02 | WNDN551 | LTSAPR |
| 2010-11-01 | WNDN551 | LETRES |
| 2002-06-06 | WNDN551 | LIASS |
| 2001-10-01 | WNDN551 | LIASS |
| 2001-02-01 | WNDN551 | LIREN |
| 2000-11-22 | WNDN551 | LICCNV |
| 2000-10-24 | WNDN551 | LETRES |
| 1996-02-08 | WNDN551 | AUTHPR |
| 1996-02-07 | WNDN551 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1586086 | 2026-08-23 05:45:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNDN551 | ULS 1586086 | 2026-08-23 05:45:44 |
| Status | A | ULS 1586086 | 2026-08-23 05:45:44 |
| Service | GO | ULS 1586086 | 2026-08-23 05:45:44 |
| Grant Date | 2021-03-04 | ULS 1586086 | 2026-08-23 05:45:44 |
| Expiration Date | 2031-01-24 | ULS 1586086 | 2026-08-23 05:45:44 |