Universal Licensing System
WNZQ231
MURPHY EXPLORATION & PRODUCTION CO
License details
| ULS identifier | 1842252 |
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| Call sign | WNZQ231 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2002-09-21 |
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| Expiration | 2012-12-16 |
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| Cancellation | 2006-04-19 |
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| Frequency range | 458.575 MHz |
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| Locations | 2 |
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| Representative location | OFFSHORE LA, GM |
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| Coordinates | 28.5002500, -91.2501111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:54 |
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Licensee
| Name | MURPHY EXPLORATION & PRODUCTION CO |
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| Applicant type | C |
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| FRN | 0001731801 |
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| Location | NEW ORLEANS, LA |
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| Address | NEW ORLEANS, LA, 70161 |
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| Phone | 5045612811 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 458.57500000 | | | 30.000000 | 70.000000 | |
| 2 | 1 | FXO | 458.57500000 | | | 30.000000 | 70.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 458.57500000 | | 20K0F3E |
| 2 | 1 | 458.57500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PLATFORM A IN SHIP SHOAL BLK 222, OFFSHORE LA, GM | 28.50025000, -91.25011111 | 0.000 m | | 24.000 m structure / 24.000 m overall | N |
| 2 | T | PLATFORM B IN SHIP SHOAL BLK 223, OFFSHORE LA, GM | 28.48580556, -91.32094444 | 0.000 m | | 24.000 m structure / 24.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.000 m | | | | | |
| 1 | 2 | T | | 24.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 131 S ROBERTSON ST, NEW ORLEANS, LA | | 5045612811 |
License history
| Date | File or call sign | Action |
|---|
| 2006-04-20 | WNZQ231 | LICAN |
| 2002-09-21 | WNZQ231 | LIREN |
| 2002-09-19 | WNZQ231 | LITIN |
| 2002-03-08 | WNZQ231 | AUDOPR |
| 2000-11-23 | WNZQ231 | LICCNV |
| 1997-11-20 | WNZQ231 | AUTHPR |
| 1997-11-20 | WNZQ231 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1842252 | 2026-08-02 01:11:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNZQ231 | ULS 1842252 | 2026-08-02 01:11:54 |
| Status | C | ULS 1842252 | 2026-08-02 01:11:54 |
| Service | IG | ULS 1842252 | 2026-08-02 01:11:54 |
| Grant Date | 2002-09-21 | ULS 1842252 | 2026-08-02 01:11:54 |
| Expiration Date | 2012-12-16 | ULS 1842252 | 2026-08-02 01:11:54 |
| Cancellation Date | 2006-04-19 | ULS 1842252 | 2026-08-02 01:11:54 |