Universal Licensing System
WHH975
GOM SHELF LLC
License details
| ULS identifier | 981894 |
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| Call sign | WHH975 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 1998-04-08 |
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| Expiration | 2008-05-11 |
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| Cancellation | 2007-03-01 |
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| Frequency range | 2141.2 - 2187.2 MHz (3 frequencies) |
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| Locations | 4 |
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| Representative location | OFFSHORE, GM |
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| Coordinates | 28.0030556, -96.4296944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 2141.20000000 | | | | | |
| 1 | 3 | FXO | 2144.40000000 | | | | | |
| 1 | 1 | FXO | 2187.20000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 2141.20000000 | | 800KF9W |
| 1 | 3 | 2144.40000000 | | 800KF9W |
| 1 | 1 | 2187.20000000 | | 800KF9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MATAGORDA ISLAND 669A OXY PLATFORM, OFFSHORE, GM | 28.00305556, -96.42969444 | | | 45.700 m structure / 45.700 m overall | |
| 2 | R | | 27.97805556, -96.40580556 | 0.000 m | | | |
| 3 | R | | 27.95750000, -96.55941667 | 0.000 m | | | |
| 4 | R | | 28.10194444, -96.38136111 | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 31.8000 | 139.7000 | | |
| 1 | 2 | R | | | | 31.8000 | | | |
| 1 | 3 | R | | | | 32.2000 | | | |
| 1 | 4 | R | | | | 32.0000 | | | |
| 2 | 1 | T | | | H | 32.2000 | 248.4000 | | |
| 3 | 1 | T | | | V | 32.0000 | 23.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2007-03-02 | WHH975 | LICAN |
| 2007-03-01 | WHH975 | ESUAPR |
| 2000-08-22 | WHH975 | LIAUA |
| 2000-08-15 | WHH975 | LIASS |
| 1999-08-13 | WHH975 | LICCNV |
| 1998-04-08 | WHH975 | LIREN |
| 1993-05-11 | WHH975 | LIMOD |
| 1989-08-28 | WHH975 | LIMOD |
| 1989-08-17 | WHH975 | LIMOD |
| 1988-04-27 | WHH975 | LIMOD |
| 1984-09-25 | WHH975 | LIMOD |
| 1984-09-07 | WHH975 | LIMOD |
| 1984-08-28 | WHH975 | LIMOD |
| 1983-04-26 | WHH975 | LIMOD |
| 1982-09-29 | WHH975 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 981894 | 2026-08-02 02:47:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WHH975 | ULS 981894 | 2026-08-02 02:47:12 |
| Status | C | ULS 981894 | 2026-08-02 02:47:12 |
| Service | MG | ULS 981894 | 2026-08-02 02:47:12 |
| Grant Date | 1998-04-08 | ULS 981894 | 2026-08-02 02:47:12 |
| Expiration Date | 2008-05-11 | ULS 981894 | 2026-08-02 02:47:12 |
| Cancellation Date | 2007-03-01 | ULS 981894 | 2026-08-02 02:47:12 |