Universal Licensing System
KNA412
COBURN EQUIPMENT
License details
| ULS identifier | 1613103 |
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| Call sign | KNA412 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-03-14 |
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| Expiration | 2001-04-19 |
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| Cancellation | 2001-06-24 |
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| Frequency range | 471.8625 - 474.8625 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | CORONA, RIVERSIDE, CA |
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| Coordinates | 33.8500278, -117.6522778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:56 |
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Licensee
| Name | COBURN EQUIPMENT |
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| Applicant type | C |
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| FRN | 0001522580 |
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| Location | CHINO, CA |
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| Address | 13930 OAKS AVE, CHINO, CA, 91710 |
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| Phone | 7145916417 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB4 | 471.86250000 | | | 49.000000 | 50.000000 | |
| 3 | 1 | MO | 471.86250000 | | | 36.000000 | 108.000000 | |
| 2 | 1 | FX1 | 474.86250000 | | | 15.000000 | 106.000000 | |
| 3 | 1 | MO | 474.86250000 | | | 36.000000 | 108.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 471.86250000 | | 20K0F3E |
| 3 | 1 | 471.86250000 | | 20K0F3E |
| 2 | 1 | 474.86250000 | | 20K0F3E |
| 3 | 1 | 474.86250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | SIERRA PEAK, CORONA, RIVERSIDE, CA | 33.85002778, -117.65227778 | 928.000 m | | | N |
| 2 | T | 13930 OAKS AVE, CHINO, SAN BERNARDINO, CA | 33.95000000, -117.76700000 | 219.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 23.000 m | | | | 586.000 | |
| 1 | 2 | T | | 6.000 m | | | | -28.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 13930 OAKS AVE, CHINO, CA | | 7145916417 |
License history
| Date | File or call sign | Action |
|---|
| 2001-08-27 | KNA412 | LETAUS |
| 2001-06-24 | KNA412 | LIEXP |
| 2001-01-23 | KNA412 | LETRES |
| 2000-11-22 | KNA412 | LICCNV |
| 1996-03-15 | KNA412 | AUTHPR |
| 1996-03-14 | KNA412 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1613103 | 2026-08-02 01:17:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNA412 | ULS 1613103 | 2026-08-02 01:17:56 |
| Status | E | ULS 1613103 | 2026-08-02 01:17:56 |
| Service | IG | ULS 1613103 | 2026-08-02 01:17:56 |
| Grant Date | 1996-03-14 | ULS 1613103 | 2026-08-02 01:17:56 |
| Expiration Date | 2001-04-19 | ULS 1613103 | 2026-08-02 01:17:56 |
| Cancellation Date | 2001-06-24 | ULS 1613103 | 2026-08-02 01:17:56 |