Universal Licensing System
KNBT500
REDWOOD OIL COMPANY INC
License details
| ULS identifier | 1850308 |
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| Call sign | KNBT500 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-11-25 |
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| Expiration | 2014-01-11 |
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| Cancellation | 2014-03-15 |
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| Frequency range | 43.52 MHz |
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| Locations | 3 |
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| Representative location | SAN RAFAEL, MARIN, CA |
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| Coordinates | 37.9801944, -122.5285833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:55 |
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Licensee
| Name | REDWOOD OIL COMPANY INC |
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| Applicant type | C |
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| FRN | 0009902552 |
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| Location | SANTA ROSA, CA |
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| Address | 455 YOLANDA AVE, SANTA ROSA, CA, 95402 |
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| Phone | 7075460766 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 43.52000000 | | | 110.000000 | 100.000000 | |
| 2 | 1 | FB | 43.52000000 | | | 110.000000 | 100.000000 | |
| 3 | 1 | MO | 43.52000000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 43.52000000 | | 20K0F3E |
| 2 | 1 | 43.52000000 | | 20K0F3E |
| 3 | 1 | 43.52000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1.5 MI NW CTR, SAN RAFAEL, MARIN, CA | 37.98019444, -122.52858333 | 188.000 m | | | N |
| 2 | T | 455 YOLANDA AVE, SANTA ROSA, SONOMA, CA | 38.41352778, -122.70944444 | 43.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 17.000 m | | | | 0.000 | |
| 1 | 2 | T | | 24.000 m | | | | 0.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 455 YOLANDA AVE, SANTA ROSA, CA | | 7075460766 |
License history
| Date | File or call sign | Action |
|---|
| 2014-03-15 | KNBT500 | LIEXP |
| 2013-10-21 | KNBT500 | LETRES |
| 2003-11-25 | KNBT500 | LIREN |
| 2003-10-20 | KNBT500 | LETRES |
| 2001-10-29 | KNBT500 | AUDOPR |
| 2000-11-24 | KNBT500 | LICCNV |
| 1998-11-04 | KNBT500 | LIREN |
| 1998-11-04 | KNBT500 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1850308 | 2026-08-02 01:16:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNBT500 | ULS 1850308 | 2026-08-02 01:16:55 |
| Status | E | ULS 1850308 | 2026-08-02 01:16:55 |
| Service | IG | ULS 1850308 | 2026-08-02 01:16:55 |
| Grant Date | 2003-11-25 | ULS 1850308 | 2026-08-02 01:16:55 |
| Expiration Date | 2014-01-11 | ULS 1850308 | 2026-08-02 01:16:55 |
| Cancellation Date | 2014-03-15 | ULS 1850308 | 2026-08-02 01:16:55 |