Universal Licensing System
WQSU422
MATTSON TECHNOLOGY
License details
| ULS identifier | 3535393 |
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| Call sign | WQSU422 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2013-11-18 |
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| Expiration | 2023-11-18 |
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| Cancellation | 2024-01-20 |
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| Frequency range | 451.9125 - 456.9125 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | FREMONT, ALAMEDA, CA |
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| Coordinates | 37.4758889, -121.9376944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:20:08 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.91250000 | | | 25.000000 | 60.000000 | |
| 2 | 1 | MO | 451.91250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 456.91250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FX1 | 456.91250000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.91250000 | | 7K60FXE |
| 2 | 1 | 451.91250000 | | 7K60FXE |
| 2 | 1 | 456.91250000 | | 7K60FXE |
| 3 | 1 | 456.91250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | 47131 BAYSIDE PATHWAY, FREMONT, ALAMEDA, CA | 37.47588889, -121.93769444 | 2.700 m | BANT | 9.100 m structure / 10.700 m overall | |
| 2 | | | | | | | |
| 3 | | ALAMEDA, CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.700 m | | | | -104.400 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 47131 BAYSIDE PATHWAY, FREEMONT, CA | ALAMEDA | 5104926410 |
License history
| Date | File or call sign | Action |
|---|
| 2024-01-20 | WQSU422 | LIEXP |
| 2023-08-28 | WQSU422 | LETRES |
| 2013-11-18 | WQSU422 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3535393 | 2026-08-02 01:20:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQSU422 | ULS 3535393 | 2026-08-02 01:20:08 |
| Status | E | ULS 3535393 | 2026-08-02 01:20:08 |
| Service | IG | ULS 3535393 | 2026-08-02 01:20:08 |
| Grant Date | 2013-11-18 | ULS 3535393 | 2026-08-02 01:20:08 |
| Expiration Date | 2023-11-18 | ULS 3535393 | 2026-08-02 01:20:08 |
| Cancellation Date | 2024-01-20 | ULS 3535393 | 2026-08-02 01:20:08 |