Universal Licensing System
WQMQ581
Occidental Petroleum Corporation
License details
| ULS identifier | 3235872 |
|---|
| Call sign | WQMQ581 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2020-10-08 |
|---|
| Expiration | 2030-10-22 |
|---|
| Frequency range | 451.025 - 457.875 MHz (12 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | OFFSHORE, GULF OF MEXICO, GM |
|---|
| Coordinates | 27.3212222, -90.5356944 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:16:42 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.02500000 | | | 40.000000 | 10.000000 | |
| 2 | 1 | MO | 451.02500000 | | | 20.000000 | 40.000000 | |
| 1 | 1 | FB2 | 451.47500000 | | | 40.000000 | 10.000000 | |
| 2 | 1 | MO | 451.47500000 | | | 20.000000 | 40.000000 | |
| 1 | 1 | FB2 | 451.86250000 | | | 40.000000 | 10.000000 | |
| 2 | 1 | MO | 451.86250000 | | | 20.000000 | 40.000000 | |
| 1 | 1 | FB2 | 452.25000000 | | | 40.000000 | 10.000000 | |
| 2 | 1 | MO | 452.25000000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 456.02500000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 456.27500000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 456.47500000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 456.50000000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 456.86250000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 457.25000000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 457.35000000 | | | 20.000000 | 40.000000 | |
| 2 | 1 | MO | 457.87500000 | | | 20.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.02500000 | | 11K0F3E |
| 1 | 1 | 451.02500000 | | 7K60FXE |
| 1 | 1 | 451.02500000 | | 7K60F3E |
| 1 | 1 | 451.02500000 | | 7K60FXD |
| 2 | 1 | 451.02500000 | | 11K0F3E |
| 2 | 1 | 451.02500000 | | 7K60FXE |
| 2 | 1 | 451.02500000 | | 7K60F3E |
| 2 | 1 | 451.02500000 | | 7K60FXD |
| 1 | 1 | 451.47500000 | | 7K60FXE |
| 1 | 1 | 451.47500000 | | 7K60F3E |
| 1 | 1 | 451.47500000 | | 11K0F3E |
| 1 | 1 | 451.47500000 | | 7K60FXD |
| 2 | 1 | 451.47500000 | | 7K60FXE |
| 2 | 1 | 451.47500000 | | 7K60FXD |
| 2 | 1 | 451.47500000 | | 7K60F3E |
| 2 | 1 | 451.47500000 | | 11K0F3E |
| 1 | 1 | 451.86250000 | | 7K60FXD |
| 1 | 1 | 451.86250000 | | 11K0F3E |
| 1 | 1 | 451.86250000 | | 7K60FXE |
| 1 | 1 | 451.86250000 | | 7K60F3E |
| 2 | 1 | 451.86250000 | | 11K0F3E |
| 2 | 1 | 451.86250000 | | 7K60FXD |
| 2 | 1 | 451.86250000 | | 7K60FXE |
| 2 | 1 | 451.86250000 | | 7K60F3E |
| 1 | 1 | 452.25000000 | | 7K60F3E |
| 1 | 1 | 452.25000000 | | 7K60FXE |
| 1 | 1 | 452.25000000 | | 7K60FXD |
| 1 | 1 | 452.25000000 | | 11K0F3E |
| 2 | 1 | 452.25000000 | | 7K60F3E |
| 2 | 1 | 452.25000000 | | 7K60FXE |
| 2 | 1 | 452.25000000 | | 7K60FXD |
| 2 | 1 | 452.25000000 | | 11K0F3E |
| 2 | 1 | 456.02500000 | | 7K60FXD |
| 2 | 1 | 456.02500000 | | 7K60FXE |
| 2 | 1 | 456.02500000 | | 7K60F3E |
| 2 | 1 | 456.02500000 | | 11K0F3E |
| 2 | 1 | 456.27500000 | | 7K60F3E |
| 2 | 1 | 456.27500000 | | 11K0F3E |
| 2 | 1 | 456.27500000 | | 7K60FXD |
| 2 | 1 | 456.27500000 | | 7K60FXE |
| 2 | 1 | 456.47500000 | | 7K60FXE |
| 2 | 1 | 456.47500000 | | 11K0F3E |
| 2 | 1 | 456.47500000 | | 7K60F3E |
| 2 | 1 | 456.47500000 | | 7K60FXD |
| 2 | 1 | 456.50000000 | | 7K60FXE |
| 2 | 1 | 456.50000000 | | 7K60F3E |
| 2 | 1 | 456.50000000 | | 11K0F3E |
| 2 | 1 | 456.50000000 | | 7K60FXD |
| 2 | 1 | 456.86250000 | | 11K0F3E |
| 2 | 1 | 456.86250000 | | 7K60F3E |
| 2 | 1 | 456.86250000 | | 7K60FXD |
| 2 | 1 | 456.86250000 | | 7K60FXE |
| 2 | 1 | 457.25000000 | | 7K60FXE |
| 2 | 1 | 457.25000000 | | 7K60FXD |
| 2 | 1 | 457.25000000 | | 11K0F3E |
| 2 | 1 | 457.25000000 | | 7K60F3E |
| 2 | 1 | 457.35000000 | | 7K60FXD |
| 2 | 1 | 457.35000000 | | 7K60FXE |
| 2 | 1 | 457.35000000 | | 7K60F3E |
| 2 | 1 | 457.35000000 | | 11K0F3E |
| 2 | 1 | 457.87500000 | | 7K60F3E |
| 2 | 1 | 457.87500000 | | 7K60FXD |
| 2 | 1 | 457.87500000 | | 7K60FXE |
| 2 | 1 | 457.87500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PLATFORM HOLSTEIN - GC 645, OFFSHORE, GULF OF MEXICO, GM | 27.32122222, -90.53569444 | 0.000 m | RIG | 79.200 m structure / 79.200 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 48.000 m | | | | 48.000 | |
| 1 | 2 | T | | | | | | | |
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 | WQMQ581 | LIAUA |
| 2026-03-16 | WQMQ581 | LIASS |
| 2020-10-08 | WQMQ581 | LIREN |
| 2020-07-27 | WQMQ581 | LETRES |
| 2019-08-08 | WQMQ581 | LITRAN |
| 2017-07-20 | WQMQ581 | LIAUA |
| 2017-01-26 | WQMQ581 | LIASS |
| 2014-01-09 | WQMQ581 | LIMOD |
| 2013-06-24 | WQMQ581 | ESUFNR |
| 2013-06-14 | WQMQ581 | LIAUA |
| 2013-06-13 | WQMQ581 | ESUAPR |
| 2013-05-31 | WQMQ581 | LITRAN |
| 2013-05-07 | WQMQ581 | ESUAPR |
| 2013-04-30 | WQMQ581 | LIASS |
| 2012-10-30 | WQMQ581 | ESUAPR |
| 2012-10-06 | WQMQ581 | LIAUA |
| 2012-10-05 | WQMQ581 | ESUAPR |
| 2011-07-26 | WQMQ581 | LETCNS |
| 2010-11-05 | WQMQ581 | LIAUA |
| 2010-11-04 | WQMQ581 | ESUAPR |
| 2010-10-22 | WQMQ581 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3235872 | 2026-08-02 01:16:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQMQ581 | ULS 3235872 | 2026-08-02 01:16:42 |
| Status | A | ULS 3235872 | 2026-08-02 01:16:42 |
| Service | IG | ULS 3235872 | 2026-08-02 01:16:42 |
| Grant Date | 2020-10-08 | ULS 3235872 | 2026-08-02 01:16:42 |
| Expiration Date | 2030-10-22 | ULS 3235872 | 2026-08-02 01:16:42 |