Universal Licensing System
WPTL253
SAN MATEO, COUNTY OF
License details
| ULS identifier | 2359321 |
|---|
| Call sign | WPTL253 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2021-08-10 |
|---|
| Expiration | 2031-10-23 |
|---|
| Frequency range | 11215 - 11645 MHz (7 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | Redwood City, SAN MATEO, CA |
|---|
| Coordinates | 37.3307500, -122.2138333 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11215.00000000 | | | | | |
| 1 | 2 | FXO | 11245.00000000 | | | | | |
| 1 | 2 | FXO | 11245.00000000 | | | | | |
| 1 | 2 | FXO | 11245.00000000 | | | | | |
| 1 | 3 | FXO | 11265.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 4 | FXO | 11385.00000000 | | | | | |
| 1 | 4 | FXO | 11385.00000000 | | | | | |
| 1 | 4 | FXO | 11385.00000000 | | | | | |
| 1 | 4 | FXO | 11385.00000000 | | | | | |
| 1 | 4 | FXO | 11385.00000000 | | | | | |
| 1 | 6 | FXO | 11485.00000000 | | | | | |
| 1 | 6 | FXO | 11485.00000000 | | | | | |
| 1 | 6 | FXO | 11485.00000000 | | | | | |
| 1 | 5 | FXO | 11645.00000000 | | | | | |
| 1 | 5 | FXO | 11645.00000000 | | | | | |
| 1 | 5 | FXO | 11645.00000000 | | | | | |
| 1 | 5 | FXO | 11645.00000000 | | | | | |
| 1 | 5 | FXO | 11645.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11215.00000000 | | 30M0D7W |
| 1 | 2 | 11245.00000000 | | 80M0G7W |
| 1 | 2 | 11245.00000000 | | 80M0D7W |
| 1 | 2 | 11245.00000000 | | 80M0D7W |
| 1 | 3 | 11265.00000000 | | 10M0D7W |
| 1 | 2 | 11325.00000000 | | 30M0D7W |
| 1 | 4 | 11385.00000000 | | 10M0D7W |
| 1 | 4 | 11385.00000000 | | 10M0D7W |
| 1 | 4 | 11385.00000000 | | 10M0D7W |
| 1 | 4 | 11385.00000000 | | 10M0D7W |
| 1 | 4 | 11385.00000000 | | 10M0G7W |
| 1 | 6 | 11485.00000000 | | 80M0G7W |
| 1 | 6 | 11485.00000000 | | 80M0D7W |
| 1 | 6 | 11485.00000000 | | 80M0D7W |
| 1 | 5 | 11645.00000000 | | 10M0D7W |
| 1 | 5 | 11645.00000000 | | 10M0D7W |
| 1 | 5 | 11645.00000000 | | 10M0D7W |
| 1 | 5 | 11645.00000000 | | 10M0D7W |
| 1 | 5 | 11645.00000000 | | 10M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Rolph Hill off Skyline Blvd in Russian Ridge Open Space Reserve, Redwood City, SAN MATEO, CA | 37.33075000, -122.21383333 | 707.100 m | MAST | 18.000 m structure / 18.000 m overall | N |
| 2 | R | | 37.47241667, -122.13855556 | 6.100 m | | | |
| 3 | R | | 37.48908333, -122.23022222 | 3.100 m | | | |
| 4 | R | | 37.51238889, -122.33850000 | 155.400 m | | | |
| 5 | R | | 37.51238889, -122.33855556 | 155.500 m | | | |
| 6 | R | | 37.50352778, -122.26216667 | 9.800 m | | | |
| 7 | R | | 37.47158333, -122.14438889 | 6.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Andrew Corporation PL4-107E | | V | 40.5000 | 23.0000 | | |
| 1 | 2 | R | Andrew Corporation PL4-107E | | | 40.5000 | | | |
| 1 | 3 | R | Commscope SHPX4-11W | | | 41.0000 | 0.0000 | | |
| 1 | 4 | R | Andrew Corporation PL4-107E | | | 40.5000 | | | |
| 1 | 5 | R | Commscope SHP3-11WB | | | 38.7000 | 0.0000 | | |
| 1 | 6 | R | Commscope SHP3-11WB | | | 38.7000 | 0.0000 | | |
| 1 | 7 | R | Commscope SHP3-11WB | | | 38.7000 | 0.0000 | | |
| 2 | 1 | T | Commscope SHPX4-11W | | H | 41.0000 | 355.3000 | | |
| 3 | 1 | T | Andrew Corporation PL4-107E | | V | 40.5000 | 331.3000 | | |
| 4 | 1 | T | Commscope SHP3-11WB | | V | 38.7000 | 331.3000 | | |
| 5 | 1 | T | Commscope SHP3-11WB | | V | 38.7000 | 347.4000 | | |
| 6 | 1 | T | Commscope SHP3-11WB | | V | 38.7000 | 21.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-29 | WPTL253 | LIAUA |
| 2023-06-29 | WPTL253 | LIMOD |
| 2023-05-25 | WPTL253 | LIMOD |
| 2021-08-10 | WPTL253 | LIREN |
| 2021-08-02 | WPTL253 | LETRES |
| 2011-08-06 | WPTL253 | LIREN |
| 2011-08-01 | WPTL253 | LETRES |
| 2011-07-25 | WPTL253 | ESURNW |
| 2006-09-14 | WPTL253 | LIMOD |
| 2006-08-25 | WPTL253 | LTSAPR |
| 2006-08-24 | WPTL253 | ESCAPR |
| 2006-08-24 | WPTL253 | EFCAPR |
| 2006-08-23 | WPTL253 | ESUAPR |
| 2006-08-23 | WPTL253 | EFUAPR |
| 2003-01-21 | WPTL253 | LETCNS |
| 2001-10-23 | WPTL253 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2359321 | 2026-08-02 02:47:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTL253 | ULS 2359321 | 2026-08-02 02:47:59 |
| Status | A | ULS 2359321 | 2026-08-02 02:47:59 |
| Service | MW | ULS 2359321 | 2026-08-02 02:47:59 |
| Grant Date | 2021-08-10 | ULS 2359321 | 2026-08-02 02:47:59 |
| Expiration Date | 2031-10-23 | ULS 2359321 | 2026-08-02 02:47:59 |