Universal Licensing System
WQLN477
SAN MATEO, COUNTY OF
License details
| ULS identifier | 3177182 |
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| Call sign | WQLN477 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2021-01-20 |
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| Expiration | 2030-03-15 |
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| Frequency range | 488.7125 - 491.8875 MHz (6 frequencies) |
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| Locations | 2 |
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| Representative location | HALF MOON BAY, SAN MATEO, CA |
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| Coordinates | 37.5034722, -122.4981389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:32 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 488.71250000 | | | 100.000000 | 150.000000 | |
| 1 | 1 | FB2 | 488.86250000 | | | 100.000000 | 150.000000 | |
| 1 | 1 | FB2 | 488.88750000 | | | 100.000000 | 150.000000 | |
| 2 | 1 | MO | 491.71250000 | | | 4.000000 | 8.000000 | |
| 2 | 2 | MO | 491.71250000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 491.86250000 | | | 4.000000 | 8.000000 | |
| 2 | 2 | MO | 491.86250000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 491.88750000 | | | 4.000000 | 8.000000 | |
| 2 | 2 | MO | 491.88750000 | | | 20.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 488.71250000 | | 20K0F3E |
| 1 | 1 | 488.71250000 | | 11K3F3E |
| 1 | 1 | 488.86250000 | | 11K3F3E |
| 1 | 1 | 488.86250000 | | 20K0F3E |
| 1 | 1 | 488.88750000 | | 11K3F3E |
| 1 | 1 | 488.88750000 | | 20K0F3E |
| 2 | 1 | 491.71250000 | | 20K0F3E |
| 2 | 1 | 491.71250000 | | 11K3F3E |
| 2 | 2 | 491.71250000 | | 11K3F3E |
| 2 | 2 | 491.71250000 | | 20K0F3E |
| 2 | 1 | 491.86250000 | | 20K0F3E |
| 2 | 1 | 491.86250000 | | 11K3F3E |
| 2 | 2 | 491.86250000 | | 20K0F3E |
| 2 | 2 | 491.86250000 | | 11K3F3E |
| 2 | 1 | 491.88750000 | | 11K3F3E |
| 2 | 1 | 491.88750000 | | 20K0F3E |
| 2 | 2 | 491.88750000 | | 11K3F3E |
| 2 | 2 | 491.88750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 0.12 MILES N NW OF W POINT AVE, HALF MOON BAY, SAN MATEO, CA | 37.50347222, -122.49813889 | 27.400 m | TOWER | 21.300 m structure / 24.400 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 17.700 m | V | 3.0000 | | -39.600 | |
| 1 | 2 | T | | | | | | | |
| 2 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 501 WINSLOW ST, REDWOOD CITY, CA | SAN MATEO | 6503634442 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-03 | WQLN477 | LIAUA |
| 2021-01-20 | WQLN477 | LIREN |
| 2020-04-17 | WQLN477 | COR |
| 2020-03-14 | WQLN477 | LIMOD |
| 2019-12-16 | WQLN477 | ESURNW |
| 2011-12-16 | WQLN477 | LIMOD |
| 2011-12-15 | WQLN477 | ESUAPR |
| 2010-03-15 | WQLN477 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3177182 | 2026-08-02 01:09:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WQLN477 | ULS 3177182 | 2026-08-02 01:09:32 |
| Status | A | ULS 3177182 | 2026-08-02 01:09:32 |
| Service | PW | ULS 3177182 | 2026-08-02 01:09:32 |
| Grant Date | 2021-01-20 | ULS 3177182 | 2026-08-02 01:09:32 |
| Expiration Date | 2030-03-15 | ULS 3177182 | 2026-08-02 01:09:32 |