Universal Licensing System
WSIX681
NAPA, CITY OF
License details
| ULS identifier | 5158178 |
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| Call sign | WSIX681 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2025-07-01 |
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| Expiration | 2035-07-01 |
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| Frequency range | 156.03 - 159.165 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | NAPA, NAPA, CA |
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| Coordinates | 38.3099167, -122.2677500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 156.03000000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | FB2 | 156.03000000 | | | 50.000000 | 75.000000 | |
| 3 | 1 | FB2 | 156.03000000 | | | 50.000000 | 75.000000 | |
| 4 | 1 | MO | 156.03000000 | | | 50.000000 | 50.000000 | |
| 4 | 1 | MO | 159.16500000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | FX1 | 159.16500000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.03000000 | | 9K70F1E |
| 1 | 1 | 156.03000000 | | 11K2F3E |
| 2 | 1 | 156.03000000 | | 9K70F1E |
| 2 | 1 | 156.03000000 | | 11K2F3E |
| 3 | 1 | 156.03000000 | | 9K70F1E |
| 3 | 1 | 156.03000000 | | 11K2F3E |
| 4 | 1 | 156.03000000 | | 9K70F1E |
| 4 | 1 | 156.03000000 | | 11K2F3E |
| 4 | 1 | 159.16500000 | | 9K70F1E |
| 4 | 1 | 159.16500000 | | 11K2F3E |
| 5 | 1 | 159.16500000 | | 9K70F1E |
| 5 | 1 | 159.16500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 681 MONTECITO BLVD., NAPA, NAPA, CA | 38.30991667, -122.26775000 | 139.000 m | POLE | 15.000 m structure / 15.000 m overall | |
| 2 | T | 3691 MONTANA DR., NAPA, NAPA, CA | 38.31783333, -122.34755556 | 119.000 m | TANK | 14.000 m structure / 15.000 m overall | |
| 3 | T | Oat Hill, Napa, NAPA, CA | 38.18461111, -122.26377778 | 78.600 m | LTOWER | 14.600 m structure / 14.600 m overall | |
| 4 | T | NAPA, CA | | | | | |
| 5 | T | CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | -8.400 | |
| 1 | 2 | T | | 15.000 m | | | | -13.900 | |
| 1 | 3 | T | | 14.600 m | | | | 29.800 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 770 JACKSON ST, NAPA, CA | NAPA | 7072587867 |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-31 | WSIX681 | LETCNS |
| 2025-07-01 | WSIX681 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5158178 | 2026-08-02 01:10:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIX681 | ULS 5158178 | 2026-08-02 01:10:33 |
| Status | A | ULS 5158178 | 2026-08-02 01:10:33 |
| Service | PW | ULS 5158178 | 2026-08-02 01:10:33 |
| Grant Date | 2025-07-01 | ULS 5158178 | 2026-08-02 01:10:33 |
| Expiration Date | 2035-07-01 | ULS 5158178 | 2026-08-02 01:10:33 |