Universal Licensing System
WRWZ574
Napa Internet Services, Inc.
License details
| ULS identifier | 4753441 |
|---|
| Call sign | WRWZ574 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2023-04-17 |
|---|
| Expiration | 2033-04-17 |
|---|
| Frequency range | 11155 - 11645 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Silverado Resort, NAPA, CA |
|---|
| Coordinates | 38.3748333, -122.2471389 |
|---|
| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:21 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
| 1 | 2 | FXO | 11645.00000000 | | | | | |
| 1 | 2 | FXO | 11645.00000000 | | | | | |
| 1 | 2 | FXO | 11645.00000000 | | | | | |
| 1 | 2 | FXO | 11645.00000000 | | | | | |
| 1 | 2 | FXO | 11645.00000000 | | | | | |
| 1 | 2 | FXO | 11645.00000000 | | | | | |
| 1 | 2 | FXO | 11645.00000000 | | | | | |
| 1 | 2 | FXO | 11645.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11155.00000000 | | 77M0D7D |
| 1 | 1 | 11155.00000000 | | 77M0D7D |
| 1 | 1 | 11155.00000000 | | 77M0D7D |
| 1 | 1 | 11155.00000000 | | 77M0D7D |
| 1 | 1 | 11155.00000000 | | 77M0D7D |
| 1 | 1 | 11155.00000000 | | 77M0D7D |
| 1 | 1 | 11155.00000000 | | 77M0D7D |
| 1 | 1 | 11155.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
| 1 | 2 | 11645.00000000 | | 77M0D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2765 Atlas Peak Road, Silverado Resort, NAPA, CA | 38.37483333, -122.24713889 | 340.800 m | B | 6.100 m structure / 7.600 m overall | |
| 2 | R | | 38.30894444, -122.29183333 | 10.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | JIROUS JRMC-680-10/11 | | S | 36.0000 | 208.1000 | | |
| 1 | 2 | R | JIROUS JRMC-680-10/11 | | | 36.0000 | | | |
| 2 | 1 | T | JIROUS JRMC-680-10/11 | | S | 36.0000 | 208.1000 | | |
| 2 | 2 | R | JIROUS JRMC-680-10/11 | | | 36.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-04-17 | WRWZ574 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4753441 | 2026-08-02 02:45:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWZ574 | ULS 4753441 | 2026-08-02 02:45:21 |
| Status | A | ULS 4753441 | 2026-08-02 02:45:21 |
| Service | MG | ULS 4753441 | 2026-08-02 02:45:21 |
| Grant Date | 2023-04-17 | ULS 4753441 | 2026-08-02 02:45:21 |
| Expiration Date | 2033-04-17 | ULS 4753441 | 2026-08-02 02:45:21 |