Universal Licensing System
WQQX540
Chevron USA Inc.
License details
| ULS identifier | 3458697 |
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| Call sign | WQQX540 |
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| Radio service | MC |
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| Status | A |
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| Grant date | 2023-02-28 |
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| Expiration | 2033-03-20 |
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| Frequency range | 156.35 - 156.8 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Offshore LA, GULF OF MEXICO, GM |
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| Coordinates | 28.2352222, -88.9953889 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:24 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 156.35000000 | | | 25.000000 | | |
| 1 | 1 | FCL | 156.45000000 | | | 25.000000 | | |
| 1 | 1 | FCL | 156.50000000 | | | 25.000000 | | |
| 1 | 1 | FCL | 156.72500000 | | | 25.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.35000000 | | 16K0F3E |
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.50000000 | | 16K0F3E |
| 1 | 1 | 156.72500000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Tubular Bells Platform, Offshore LA, GULF OF MEXICO, GM | 28.23522222, -88.99538889 | 0.000 m | RIG | 67.700 m structure / 77.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 55.200 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-18 | WQQX540 | LIASS |
| 2023-02-28 | WQQX540 | LIREN |
| 2023-01-02 | WQQX540 | LETRES |
| 2013-03-20 | WQQX540 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3458697 | 2026-08-02 02:08:24 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQQX540 | ULS 3458697 | 2026-08-02 02:08:24 |
| Status | A | ULS 3458697 | 2026-08-02 02:08:24 |
| Service | MC | ULS 3458697 | 2026-08-02 02:08:24 |
| Grant Date | 2023-02-28 | ULS 3458697 | 2026-08-02 02:08:24 |
| Expiration Date | 2033-03-20 | ULS 3458697 | 2026-08-02 02:08:24 |