Universal Licensing System
WQXX977
CHEMTRADE WEST US LLC
License details
| ULS identifier | 3829041 |
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| Call sign | WQXX977 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2016-07-11 |
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| Expiration | 2026-07-11 |
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| Frequency range | 452.0375 - 452.1875 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | BAY POINT, CONTRA COSTA, CA |
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| Coordinates | 38.0460833, -121.9878056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:39 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.03750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.06250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.08750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.11250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.18750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.03750000 | | 11K2F3E |
| 1 | 1 | 452.06250000 | | 11K2F3E |
| 1 | 1 | 452.08750000 | | 11K2F3E |
| 1 | 1 | 452.11250000 | | 11K2F3E |
| 1 | 1 | 452.18750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BAY POINT, CONTRA COSTA, CA | 38.04608333, -121.98780556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 501 NICHOLS RD, BAY POINT, CA | CONTRA COSTA | 9254587300 |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-20 | WQXX977 | LETRES |
| 2025-07-15 | WQXX977 | LIAUA |
| 2016-07-11 | WQXX977 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3829041 | 2026-08-02 01:22:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQXX977 | ULS 3829041 | 2026-08-02 01:22:39 |
| Status | A | ULS 3829041 | 2026-08-02 01:22:39 |
| Service | IG | ULS 3829041 | 2026-08-02 01:22:39 |
| Grant Date | 2016-07-11 | ULS 3829041 | 2026-08-02 01:22:39 |
| Expiration Date | 2026-07-11 | ULS 3829041 | 2026-08-02 01:22:39 |