Universal Licensing System
WQWX438
City & County of San Francisco SFPUC ITS-SCADA
License details
| ULS identifier | 3763960 |
|---|
| Call sign | WQWX438 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2025-09-19 |
|---|
| Expiration | 2035-12-16 |
|---|
| Frequency range | 17905 - 18115 MHz (3 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | Brisbane, SAN MATEO, CA |
|---|
| Coordinates | 37.6891111, -122.4375833 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:43:16 |
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Licensee
| Name | City & County of San Francisco SFPUC ITS-SCADA |
|---|
| Applicant type | G |
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| FRN | 0024264681 |
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| Location | San Francisco, CA |
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| Address | 525 Golden Gate Avenue 5th Floor, San Francisco, CA, 94102 |
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| Phone | 4155514306 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 17905.00000000 | | | | | |
| 1 | 3 | FXO | 17905.00000000 | | | | | |
| 1 | 3 | FXO | 17905.00000000 | | | | | |
| 1 | 3 | FXO | 17905.00000000 | | | | | |
| 1 | 3 | FXO | 17905.00000000 | | | | | |
| 1 | 3 | FXO | 17905.00000000 | | | | | |
| 1 | 3 | FXO | 17905.00000000 | | | | | |
| 1 | 3 | FXO | 17905.00000000 | | | | | |
| 1 | 2 | FXO | 17965.00000000 | | | | | |
| 1 | 2 | FXO | 17965.00000000 | | | | | |
| 1 | 2 | FXO | 17965.00000000 | | | | | |
| 1 | 2 | FXO | 17965.00000000 | | | | | |
| 1 | 2 | FXO | 17965.00000000 | | | | | |
| 1 | 2 | FXO | 17965.00000000 | | | | | |
| 1 | 2 | FXO | 17965.00000000 | | | | | |
| 1 | 2 | FXO | 17965.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
| 1 | 1 | FXO | 18115.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 17905.00000000 | | 30M0D7W |
| 1 | 3 | 17905.00000000 | | 30M0D7W |
| 1 | 3 | 17905.00000000 | | 30M0D7W |
| 1 | 3 | 17905.00000000 | | 30M0D7W |
| 1 | 3 | 17905.00000000 | | 30M0D7W |
| 1 | 3 | 17905.00000000 | | 30M0D7W |
| 1 | 3 | 17905.00000000 | | 30M0G7W |
| 1 | 3 | 17905.00000000 | | 30M0G7W |
| 1 | 2 | 17965.00000000 | | 30M0D7W |
| 1 | 2 | 17965.00000000 | | 30M0D7W |
| 1 | 2 | 17965.00000000 | | 30M0D7W |
| 1 | 2 | 17965.00000000 | | 30M0D7W |
| 1 | 2 | 17965.00000000 | | 30M0D7W |
| 1 | 2 | 17965.00000000 | | 30M0D7W |
| 1 | 2 | 17965.00000000 | | 30M0G7W |
| 1 | 2 | 17965.00000000 | | 30M0G7W |
| 1 | 1 | 18115.00000000 | | 30M0D7W |
| 1 | 1 | 18115.00000000 | | 30M0D7W |
| 1 | 1 | 18115.00000000 | | 30M0D7W |
| 1 | 1 | 18115.00000000 | | 30M0D7W |
| 1 | 1 | 18115.00000000 | | 30M0D7W |
| 1 | 1 | 18115.00000000 | | 30M0D7W |
| 1 | 1 | 18115.00000000 | | 30M0G7W |
| 1 | 1 | 18115.00000000 | | 30M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 350 Radio Rd, Brisbane, SAN MATEO, CA | 37.68911111, -122.43758333 | 374.300 m | MAST | 45.700 m structure / 45.700 m overall | N |
| 2 | R | | 37.60213889, -122.42452778 | 110.000 m | | | |
| 3 | R | | 37.78097222, -122.41930556 | 22.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLPX3-18 | | H | 43.5000 | 173.2000 | | |
| 1 | 2 | R | Commscope VHLPX3-18 | | | 43.5000 | 0.0000 | | |
| 1 | 3 | R | Commscope VHLPX3-18 | | | 43.5000 | 0.0000 | | |
| 2 | 1 | T | Commscope VHLPX3-18 | | V | 43.5000 | 173.2000 | | |
| 2 | 2 | R | Commscope VHLPX3-18 | | | 43.5000 | 0.0000 | | |
| 3 | 1 | T | Commscope VHLPX3-18 | | H | 43.5000 | 9.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-19 | WQWX438 | LIREN |
| 2025-09-17 | WQWX438 | ESURNW |
| 2021-08-01 | WQWX438 | FRATRM |
| 2021-08-01 | WQWX438 | ANATRM |
| 2021-08-01 | WQWX438 | PAATRM |
| 2021-05-26 | WQWX438 | PNLISR |
| 2021-05-26 | WQWX438 | LETTRS |
| 2021-01-19 | WQWX438 | LETCNS |
| 2019-10-18 | WQWX438 | AUTHPR |
| 2019-10-17 | WQWX438 | INTDUP |
| 2019-10-17 | WQWX438 | COR |
| 2019-10-17 | WQWX438 | LIMOD |
| 2018-01-26 | WQWX438 | LIAUA |
| 2017-08-03 | WQWX438 | PLAUPR |
| 2017-05-16 | WQWX438 | LETCNS |
| 2017-05-11 | WQWX438 | PLAUPR |
| 2017-03-20 | WQWX438 | LETCNS |
| 2015-12-16 | WQWX438 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3763960 | 2026-08-02 02:43:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQWX438 | ULS 3763960 | 2026-08-02 02:43:16 |
| Status | A | ULS 3763960 | 2026-08-02 02:43:16 |
| Service | MW | ULS 3763960 | 2026-08-02 02:43:16 |
| Grant Date | 2025-09-19 | ULS 3763960 | 2026-08-02 02:43:16 |
| Expiration Date | 2035-12-16 | ULS 3763960 | 2026-08-02 02:43:16 |