Universal Licensing System
WNTB411
SAN MATEO, COUNTY OF
License details
| ULS identifier | 1019333 |
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| Call sign | WNTB411 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2020-03-17 |
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| Expiration | 2030-06-07 |
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| Frequency range | 6625 - 22075 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | BELMONT, SAN MATEO, CA |
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| Coordinates | 37.5176944, -122.2735556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:08 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6625.00000000 | | | | | |
| 1 | 2 | FXO | 22075.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6625.00000000 | | 10M0F9W |
| 1 | 2 | 22075.00000000 | | 20M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1365 5TH AVE, BELMONT, SAN MATEO, CA | 37.51769444, -122.27355556 | 12.200 m | | 6.100 m structure / 18.300 m overall | |
| 2 | R | | 37.56908333, -122.27050000 | 1.500 m | | | |
| 3 | R | | 37.48825000, -122.23050000 | 1.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 42.3000 | 2.7000 | | |
| 1 | 2 | R | | | | 36.2000 | | | |
| 1 | 3 | R | | | | 46.3000 | | | |
| 2 | 1 | T | | | V | 46.3000 | 130.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-29 | WNTB411 | LIAUA |
| 2020-03-17 | WNTB411 | LIREN |
| 2020-03-16 | WNTB411 | LETRES |
| 2010-03-23 | WNTB411 | LIREN |
| 2010-03-15 | WNTB411 | LETRES |
| 2000-03-10 | WNTB411 | LIREN |
| 1999-08-14 | WNTB411 | LICCNV |
| 1995-04-03 | WNTB411 | LIREN |
| 1990-06-04 | WNTB411 | LIMOD |
| 1990-05-24 | WNTB411 | LIMOD |
| 1989-12-28 | WNTB411 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1019333 | 2026-08-02 02:48:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNTB411 | ULS 1019333 | 2026-08-02 02:48:08 |
| Status | A | ULS 1019333 | 2026-08-02 02:48:08 |
| Service | MW | ULS 1019333 | 2026-08-02 02:48:08 |
| Grant Date | 2020-03-17 | ULS 1019333 | 2026-08-02 02:48:08 |
| Expiration Date | 2030-06-07 | ULS 1019333 | 2026-08-02 02:48:08 |