Universal Licensing System
WQRK421
Occidental Petroleum Corporation
License details
| ULS identifier | 3483216 |
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| Call sign | WQRK421 |
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| Radio service | MC |
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| Status | A |
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| Grant date | 2023-05-02 |
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| Expiration | 2033-06-04 |
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| Frequency range | 156.45 - 156.9 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | Offshore, GULF OF MEXICO, GM |
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| Coordinates | 27.3533333, -94.6252778 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-17 01:06:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 156.45000000 | | | 5.000000 | | |
| 1 | 1 | FCL | 156.50000000 | | | 5.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 5.000000 | | |
| 1 | 1 | FCL | 156.90000000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.50000000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
| 1 | 1 | 156.90000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BOOMVANG PLATFORM EAST BREAKS AREA BLK 643, Offshore, GULF OF MEXICO, GM | 27.35333333, -94.62527778 | 0.000 m | RIG | 20.000 m structure / 20.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.100 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1600 Gehrig Drive, Midland, TX | MIDLAND | 7132157569 |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-21 | WQRK421 | LIAUA |
| 2026-03-16 | WQRK421 | LIASS |
| 2023-05-02 | WQRK421 | LIREN |
| 2023-03-13 | WQRK421 | LETRES |
| 2019-08-08 | WQRK421 | LITRAN |
| 2015-04-10 | WQRK421 | LIMOD |
| 2015-04-06 | WQRK421 | ESUAPR |
| 2013-10-24 | WQRK421 | ESUAPR |
| 2013-09-13 | WQRK421 | LIAUA |
| 2013-09-12 | WQRK421 | ESUAPR |
| 2013-06-04 | WQRK421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3483216 | 2026-08-17 01:06:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQRK421 | ULS 3483216 | 2026-08-17 01:06:27 |
| Status | A | ULS 3483216 | 2026-08-17 01:06:27 |
| Service | MC | ULS 3483216 | 2026-08-17 01:06:27 |
| Grant Date | 2023-05-02 | ULS 3483216 | 2026-08-17 01:06:27 |
| Expiration Date | 2033-06-04 | ULS 3483216 | 2026-08-17 01:06:27 |