Universal Licensing System
WHH974
GOM SHELF LLC
License details
| ULS identifier | 981893 |
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| Call sign | WHH974 |
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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 | 2191.2 MHz |
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| Locations | 2 |
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| Representative location | OFFSHORE, GM |
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| Coordinates | 27.9575000, -96.5594167 |
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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 |
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| 1 | 1 | FXO | 2191.20000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 2191.20000000 | | 800KF9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | MATAGORDA ISLAND 686 OXY PLATFORM, OFFSHORE, GM | 27.95750000, -96.55941667 | | | 24.400 m structure / 70.100 m overall | |
| 2 | R | | 28.00305556, -96.42969444 | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | H | 32.2000 | 68.4000 | | |
| 1 | 2 | R | | | | 32.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2007-03-02 | WHH974 | LICAN |
| 2007-03-01 | WHH974 | ESUAPR |
| 2000-08-22 | WHH974 | LIAUA |
| 2000-08-15 | WHH974 | LIASS |
| 1999-08-13 | WHH974 | LICCNV |
| 1998-04-08 | WHH974 | LIREN |
| 1993-05-11 | WHH974 | LIMOD |
| 1993-01-29 | WHH974 | LIMOD |
| 1989-08-28 | WHH974 | LIMOD |
| 1989-08-17 | WHH974 | LIMOD |
| 1988-04-27 | WHH974 | LIMOD |
| 1984-09-25 | WHH974 | LIMOD |
| 1984-09-07 | WHH974 | LIMOD |
| 1984-08-28 | WHH974 | LIMOD |
| 1983-04-26 | WHH974 | LIMOD |
| 1982-09-15 | WHH974 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 981893 | 2026-08-02 02:47:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WHH974 | ULS 981893 | 2026-08-02 02:47:12 |
| Status | C | ULS 981893 | 2026-08-02 02:47:12 |
| Service | MG | ULS 981893 | 2026-08-02 02:47:12 |
| Grant Date | 1998-04-08 | ULS 981893 | 2026-08-02 02:47:12 |
| Expiration Date | 2008-05-11 | ULS 981893 | 2026-08-02 02:47:12 |
| Cancellation Date | 2007-03-01 | ULS 981893 | 2026-08-02 02:47:12 |