Universal Licensing System
WNCH251
Chevron USA Inc
License details
| ULS identifier | 1840492 |
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| Call sign | WNCH251 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 1998-08-12 |
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| Expiration | 2003-08-12 |
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| Cancellation | 2003-05-27 |
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| Frequency range | 153.455 - 153.68 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | OFFSHORE, GM |
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| Coordinates | 29.3493889, -91.9865278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:15 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 153.45500000 | | | 120.000000 | 1200.000000 | |
| 1 | 1 | FB | 153.68000000 | | | 120.000000 | 1200.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 153.45500000 | | 20K0F3E |
| 1 | 1 | 153.68000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TEXACOS SOUTH MARSH ISLAND 229C PLATFORM, OFFSHORE, GM | 29.34938889, -91.98652778 | 0.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 16.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | TEXACOS HENRY OFFHSORE GAS FACILITY 5 MI S, ERATH, LA | | 3189375271 |
License history
| Date | File or call sign | Action |
|---|
| 2003-05-28 | WNCH251 | LICAN |
| 2003-05-19 | WNCH251 | LETRES |
| 2002-03-12 | WNCH251 | AUDOPR |
| 2001-10-09 | WNCH251 | LIASS |
| 2001-05-11 | WNCH251 | LIAUA |
| 2000-11-23 | WNCH251 | LICCNV |
| 1998-08-12 | WNCH251 | LIREN |
| 1998-08-12 | WNCH251 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1840492 | 2026-08-02 01:15:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNCH251 | ULS 1840492 | 2026-08-02 01:15:15 |
| Status | C | ULS 1840492 | 2026-08-02 01:15:15 |
| Service | IG | ULS 1840492 | 2026-08-02 01:15:15 |
| Grant Date | 1998-08-12 | ULS 1840492 | 2026-08-02 01:15:15 |
| Expiration Date | 2003-08-12 | ULS 1840492 | 2026-08-02 01:15:15 |
| Cancellation Date | 2003-05-27 | ULS 1840492 | 2026-08-02 01:15:15 |