Universal Licensing System
KDN478
CONTRA COSTA, COUNTY OF
License details
| ULS identifier | 1178149 |
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| Call sign | KDN478 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2023-11-03 |
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| Expiration | 2034-01-10 |
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| Frequency range | 46.1 - 46.44 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | SAN RAMON, CONTRA COSTA, CA |
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| Coordinates | 37.7676944, -121.9549722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 46.10000000 | | | 100.000000 | 79.000000 | |
| 1 | 1 | FB | 46.38000000 | | | 100.000000 | 79.000000 | |
| 1 | 1 | FB | 46.44000000 | | | 100.000000 | 79.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 46.10000000 | | 20K0F3E |
| 1 | 1 | 46.38000000 | | 20K0F3E |
| 1 | 1 | 46.44000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 12599 ALCOSTA BLVD, SAN RAMON, CONTRA COSTA, CA | 37.76769444, -121.95497222 | 137.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 8.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12599 ALCOSTA BLVD, SAN RAMON, CA | | 9258339822 |
License history
| Date | File or call sign | Action |
|---|
| 2023-11-03 | KDN478 | LIREN |
| 2023-10-16 | KDN478 | LETRES |
| 2023-10-12 | KDN478 | ESURNW |
| 2020-07-18 | KDN478 | LIAUA |
| 2020-05-02 | KDN478 | LIAUA |
| 2013-10-22 | KDN478 | ESUAPR |
| 2013-10-21 | KDN478 | LETRES |
| 2013-10-18 | KDN478 | LIREN |
| 2012-06-14 | KDN478 | ESUAPR |
| 2012-06-14 | KDN478 | LIAUA |
| 2010-06-22 | KDN478 | LIAUA |
| 2010-06-22 | KDN478 | LTSAPR |
| 2010-06-21 | KDN478 | EFCAPR |
| 2010-06-21 | KDN478 | ESCAPR |
| 2003-10-17 | KDN478 | LIREN |
| 2003-10-16 | KDN478 | LIAUA |
| 2003-10-14 | KDN478 | LETRES |
| 2002-02-19 | KDN478 | AUDOPR |
| 2000-12-20 | KDN478 | LIAUA |
| 2000-10-19 | KDN478 | LICCNV |
| 1998-10-29 | KDN478 | AUTHPR |
| 1998-10-29 | KDN478 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1178149 | 2026-08-02 01:08:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KDN478 | ULS 1178149 | 2026-08-02 01:08:36 |
| Status | A | ULS 1178149 | 2026-08-02 01:08:36 |
| Service | PW | ULS 1178149 | 2026-08-02 01:08:36 |
| Grant Date | 2023-11-03 | ULS 1178149 | 2026-08-02 01:08:36 |
| Expiration Date | 2034-01-10 | ULS 1178149 | 2026-08-02 01:08:36 |