Universal Licensing System
WRTX737
Aviation Spectrum Resources Inc
License details
| ULS identifier | 4642782 |
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| Call sign | WRTX737 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2022-07-26 |
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| Expiration | 2032-07-26 |
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| Frequency range | 131.85 MHz |
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| Locations | 1 |
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| Representative location | San Francisco, SAN MATEO, CA |
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| Coordinates | 37.6180000, -122.3814167 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:35 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FA | 131.85000000 | | | 10.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 131.85000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | San Francisco International Airport, San Francisco, SAN MATEO, CA | 37.61800000, -122.38141667 | 3.900 m | BANT | 12.100 m structure / 14.300 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.300 m | | | 360.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-07-26 | WRTX737 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4642782 | 2026-08-02 02:08:35 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTX737 | ULS 4642782 | 2026-08-02 02:08:35 |
| Status | A | ULS 4642782 | 2026-08-02 02:08:35 |
| Service | AF | ULS 4642782 | 2026-08-02 02:08:35 |
| Grant Date | 2022-07-26 | ULS 4642782 | 2026-08-02 02:08:35 |
| Expiration Date | 2032-07-26 | ULS 4642782 | 2026-08-02 02:08:35 |