Universal Licensing System
WNLF279
DURHAM SCHOOL SERVICES
License details
| ULS identifier | 1580599 |
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| Call sign | WNLF279 |
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| Radio service | GJ |
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| Status | E |
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| Grant date | 2013-03-13 |
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| Expiration | 2023-04-05 |
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| Cancellation | 2023-06-10 |
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| Frequency range | 815.2875 - 860.2875 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | UNINCORPORATED, SAN MATEO, CA |
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| Coordinates | 37.4107778, -122.3066389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:20:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX1 | 815.28750000 | | | 25.000000 | 80.000000 | |
| 5 | 1 | MO | 815.28750000 | | | 25.000000 | 80.000000 | |
| 2 | 1 | FB | 860.28750000 | | | 70.000000 | 80.000000 | |
| 3 | 1 | FB | 860.28750000 | | | 70.000000 | 600.000000 | |
| 4 | 1 | FB | 860.28750000 | | | 70.000000 | 500.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 815.28750000 | | 20K0F3E |
| 5 | 1 | 815.28750000 | | 20K0F3E |
| 2 | 1 | 860.28750000 | | 20K0F3E |
| 3 | 1 | 860.28750000 | | 20K0F3E |
| 4 | 1 | 860.28750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CA | | | | | |
| 2 | T | SKEGGS POINT, UNINCORPORATED, SAN MATEO, CA | 37.41077778, -122.30663889 | 707.000 m | | | N |
| 3 | T | MOUNT SAN BRUNO, SOUTH SAN FRANCISCO, SAN MATEO, CA | 37.68911111, -122.43663889 | 369.000 m | | | N |
| 4 | T | 1133 CHESS DR, FOSTER CITY, SAN MATEO, CA | 37.56855556, -122.27719444 | 2.000 m | | | N |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 21.000 m | | | | 518.000 | |
| 1 | 3 | T | | 72.000 m | | | | 397.000 | |
| 1 | 4 | T | | 18.000 m | | | | -33.000 | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1133 CHESS DR FOSTER, CITY, CA | | 4155781114 |
License history
| Date | File or call sign | Action |
|---|
| 2023-06-10 | WNLF279 | LIEXP |
| 2023-01-09 | WNLF279 | LETRES |
| 2013-03-13 | WNLF279 | LIREN |
| 2013-01-07 | WNLF279 | LETRES |
| 2012-06-12 | WNLF279 | LTSAPR |
| 2012-06-12 | WNLF279 | LIAUA |
| 2012-05-24 | WNLF279 | ESCFNR |
| 2007-05-01 | WNLF279 | LIPASS |
| 2006-05-26 | WNLF279 | COR |
| 2006-04-07 | WNLF279 | LIMOD |
| 2006-04-06 | WNLF279 | ESCAPR |
| 2006-03-09 | WNLF279 | ESCAPR |
| 2005-03-10 | WNLF279 | LTSAPR |
| 2005-03-10 | WNLF279 | LIAUA |
| 2003-03-04 | WNLF279 | LIAUA |
| 2003-03-04 | WNLF279 | LIREN |
| 2003-01-13 | WNLF279 | LETRES |
| 2000-11-22 | WNLF279 | LICCNV |
| 1999-09-15 | WNLF279 | AUTHPR |
| 1999-09-15 | WNLF279 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1580599 | 2026-08-02 01:20:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNLF279 | ULS 1580599 | 2026-08-02 01:20:26 |
| Status | E | ULS 1580599 | 2026-08-02 01:20:26 |
| Service | GJ | ULS 1580599 | 2026-08-02 01:20:26 |
| Grant Date | 2013-03-13 | ULS 1580599 | 2026-08-02 01:20:26 |
| Expiration Date | 2023-04-05 | ULS 1580599 | 2026-08-02 01:20:26 |
| Cancellation Date | 2023-06-10 | ULS 1580599 | 2026-08-02 01:20:26 |