Universal Licensing System
WPTK903
SAN MATEO, COUNTY OF
License details
| ULS identifier | 2359170 |
|---|
| Call sign | WPTK903 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2021-08-18 |
|---|
| Expiration | 2031-10-23 |
|---|
| Frequency range | 10875 - 11155 MHz (3 frequencies) |
|---|
| Locations | 5 |
|---|
| Representative location | Foster City, SAN MATEO, CA |
|---|
| Coordinates | 37.5696389, -122.2738333 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:59 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 10658.12500000 | | | | | |
| 1 | 1 | FXO | 10715.00000000 | | | | | |
| 1 | 6 | FXO | 10835.00000000 | | | | | |
| 1 | 6 | FXO | 10835.00000000 | | | | | |
| 1 | 6 | FXO | 10835.00000000 | | | | | |
| 1 | 6 | FXO | 10835.00000000 | | | | | |
| 1 | 6 | FXO | 10835.00000000 | | | | | |
| 1 | 7 | FXO | 10865.00000000 | | | | | |
| 1 | 7 | FXO | 10865.00000000 | | | | | |
| 1 | 7 | FXO | 10865.00000000 | | | | | |
| 1 | 7 | FXO | 10865.00000000 | | | | | |
| 1 | 7 | FXO | 10865.00000000 | | | | | |
| 1 | 8 | FXO | 10875.00000000 | | | | | |
| 1 | 8 | FXO | 10875.00000000 | | | | | |
| 1 | 8 | FXO | 10875.00000000 | | | | | |
| 1 | 8 | FXO | 10875.00000000 | | | | | |
| 1 | 8 | FXO | 10875.00000000 | | | | | |
| 1 | 3 | FXO | 10915.00000000 | | | | | |
| 1 | 9 | FXO | 10975.00000000 | | | | | |
| 1 | 9 | FXO | 10975.00000000 | | | | | |
| 1 | 9 | FXO | 10975.00000000 | | | | | |
| 1 | 9 | FXO | 10975.00000000 | | | | | |
| 1 | 9 | FXO | 10975.00000000 | | | | | |
| 1 | 9 | FXO | 10975.00000000 | | | | | |
| 1 | 9 | FXO | 10975.00000000 | | | | | |
| 1 | 9 | FXO | 10975.00000000 | | | | | |
| 1 | 4 | FXO | 11115.00000000 | | | | | |
| 1 | 10 | FXO | 11155.00000000 | | | | | |
| 1 | 10 | FXO | 11155.00000000 | | | | | |
| 1 | 10 | FXO | 11155.00000000 | | | | | |
| 1 | 5 | FXO | 17825.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 10658.12500000 | | 3M75D7W |
| 1 | 1 | 10715.00000000 | | 30M0D7W |
| 1 | 6 | 10835.00000000 | | 10M0D7W |
| 1 | 6 | 10835.00000000 | | 10M0D7W |
| 1 | 6 | 10835.00000000 | | 10M0D7W |
| 1 | 6 | 10835.00000000 | | 10M0D7W |
| 1 | 6 | 10835.00000000 | | 10M0G7W |
| 1 | 7 | 10865.00000000 | | 10M0D7W |
| 1 | 7 | 10865.00000000 | | 10M0D7W |
| 1 | 7 | 10865.00000000 | | 10M0D7W |
| 1 | 7 | 10865.00000000 | | 10M0D7W |
| 1 | 7 | 10865.00000000 | | 10M0G7W |
| 1 | 8 | 10875.00000000 | | 10M0D7W |
| 1 | 8 | 10875.00000000 | | 10M0D7W |
| 1 | 8 | 10875.00000000 | | 10M0D7W |
| 1 | 8 | 10875.00000000 | | 10M0D7W |
| 1 | 8 | 10875.00000000 | | 10M0G7W |
| 1 | 3 | 10915.00000000 | | 30M0D7W |
| 1 | 9 | 10975.00000000 | | 40M0D7W |
| 1 | 9 | 10975.00000000 | | 40M0D7W |
| 1 | 9 | 10975.00000000 | | 40M0D7W |
| 1 | 9 | 10975.00000000 | | 40M0D7W |
| 1 | 9 | 10975.00000000 | | 40M0D7W |
| 1 | 9 | 10975.00000000 | | 40M0D7W |
| 1 | 9 | 10975.00000000 | | 40M0D7W |
| 1 | 9 | 10975.00000000 | | 40M0G7W |
| 1 | 4 | 11115.00000000 | | 30M0D7W |
| 1 | 10 | 11155.00000000 | | 80M0G7W |
| 1 | 10 | 11155.00000000 | | 80M0D7W |
| 1 | 10 | 11155.00000000 | | 80M0D7W |
| 1 | 5 | 17825.00000000 | | 10M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Foster City Corporation Yard East Third Avenue, Foster City, SAN MATEO, CA | 37.56963889, -122.27383333 | 1.500 m | MAST | 24.400 m structure / 24.400 m overall | N |
| 2 | R | | 37.53075000, -122.29938889 | 22.900 m | | | |
| 3 | R | | 37.69213889, -122.40330556 | 61.000 m | | | |
| 4 | R | | 37.60880556, -122.45747222 | 381.000 m | | | |
| 5 | R | | 37.48825000, -122.23050000 | 3.100 m | | | |
| 6 | R | | 37.51852778, -122.27716667 | 15.200 m | | | |
| 7 | R | | 37.69213889, -122.40327778 | 61.000 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 | 207.6000 | | |
| 1 | 2 | R | Andrew Corporation PL4-107E | | | 40.5000 | | | |
| 1 | 3 | R | Anfdrew Corporation PL4-105B | | | 39.9000 | | | |
| 1 | 4 | R | Andrew Corporation PL4-107E | | | 40.5000 | | | |
| 1 | 5 | R | Andrew Corporation PL4-107E | | | 40.5000 | | | |
| 1 | 6 | R | Andrew Corporation VP2-180A | | | 38.9000 | | | |
| 1 | 7 | R | Commscope SHP3-11WB | | | 38.7000 | 0.0000 | | |
| 2 | 1 | T | Andrew Corporation PL4-105B | | V | 39.9000 | 320.0000 | | |
| 2 | 2 | R | Commscope SHP3-11WB | | | 38.7000 | 0.0000 | | |
| 2 | 4 | R | Commscope SHP3-11WB | | | 38.7000 | 0.0000 | | |
| 2 | 5 | R | Commscope SHPX4-11W | | | 41.0000 | 0.0000 | | |
| 2 | 6 | R | Commscope SHP3-11WB | | | 38.7000 | 0.0000 | | |
| 3 | 1 | T | Andrew Corporation PL6-107E | | V | 44.0000 | 285.1000 | | |
| 4 | 1 | T | Andrew Corporation PL4-107E | | V | 40.5000 | 157.0000 | | |
| 5 | 1 | T | Andrew Corporation VP2-180A | | V | 38.9000 | 183.0000 | | |
| 6 | 1 | T | Commscope SHP3-11WB | | V | 38.7000 | 183.0000 | | |
| 7 | 1 | T | Commscope SHP3-11WB | | V | 38.7000 | 320.0000 | | |
| 8 | 1 | T | Commscope SHP3-11WB | | V | 38.7000 | 207.6000 | | |
| 9 | 1 | T | Commscope SHPX4-11W | | V | 41.0000 | 157.0000 | | |
| 10 | 1 | T | Commscope SHP3-11WB | | V | 38.7000 | 285.1000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-29 | WPTK903 | LIAUA |
| 2023-07-03 | WPTK903 | LIMOD |
| 2021-08-18 | WPTK903 | LIREN |
| 2021-08-02 | WPTK903 | LETRES |
| 2011-08-06 | WPTK903 | LIREN |
| 2011-08-01 | WPTK903 | LETRES |
| 2011-07-25 | WPTK903 | ESURNW |
| 2004-09-02 | WPTK903 | LIMOD |
| 2004-08-24 | WPTK903 | LTSAPR |
| 2004-08-23 | WPTK903 | EFUAPR |
| 2004-08-23 | WPTK903 | ESCAPR |
| 2004-08-23 | WPTK903 | EFCAPR |
| 2004-08-21 | WPTK903 | ESUAPR |
| 2003-01-21 | WPTK903 | LETCNS |
| 2001-10-23 | WPTK903 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2359170 | 2026-08-02 02:47:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTK903 | ULS 2359170 | 2026-08-02 02:47:59 |
| Status | A | ULS 2359170 | 2026-08-02 02:47:59 |
| Service | MW | ULS 2359170 | 2026-08-02 02:47:59 |
| Grant Date | 2021-08-18 | ULS 2359170 | 2026-08-02 02:47:59 |
| Expiration Date | 2031-10-23 | ULS 2359170 | 2026-08-02 02:47:59 |