Universal Licensing System
WHW423
Pioneer Natural Resources USA, Inc.
License details
| ULS identifier | 1978144 |
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| Call sign | WHW423 |
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| Radio service | MC |
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| Status | E |
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| Grant date | 2001-11-15 |
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| Expiration | 2012-02-06 |
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| Cancellation | 2012-04-07 |
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| Frequency range | 156.45 - 156.8 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | OFFSHORE, GM |
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| Coordinates | 29.0435556, -89.2628333 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:19 |
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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 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.50000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.50000000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BLOCK SP 13, OFFSHORE, GM | 29.04355556, -89.26283333 | | B | 27.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2012-04-07 | WHW423 | LIEXP |
| 2011-11-14 | WHW423 | LETRES |
| 2007-01-05 | WHW423 | LIAUA |
| 2007-01-04 | WHW423 | ESUAPR |
| 2002-02-05 | WHW423 | LIAUA |
| 2001-11-15 | WHW423 | LIREN |
| 2001-11-13 | WHW423 | LETRES |
| 2001-04-27 | WHW423 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1978144 | 2026-08-02 02:08:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WHW423 | ULS 1978144 | 2026-08-02 02:08:19 |
| Status | E | ULS 1978144 | 2026-08-02 02:08:19 |
| Service | MC | ULS 1978144 | 2026-08-02 02:08:19 |
| Grant Date | 2001-11-15 | ULS 1978144 | 2026-08-02 02:08:19 |
| Expiration Date | 2012-02-06 | ULS 1978144 | 2026-08-02 02:08:19 |
| Cancellation Date | 2012-04-07 | ULS 1978144 | 2026-08-02 02:08:19 |