Universal Licensing System
WHC685
SHELL OFFSHORE SERVICES COMPANY
License details
| ULS identifier | 980442 |
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| Call sign | WHC685 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 1996-10-29 |
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| Expiration | 1998-08-12 |
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| Cancellation | 1997-02-26 |
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| Frequency range | 1855 - 1885 MHz (3 frequencies) |
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| Locations | 4 |
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| Representative location | GULF OF MEXICO, GM |
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| Coordinates | 29.1505000, -94.0476667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:12 |
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Licensee
| Name | SHELL OFFSHORE SERVICES COMPANY |
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| Applicant type | C |
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| Location | NEW ORLEANS, LA |
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| Address | 701 POYDRAS ST STE 1500, NEW ORLEANS, LA, 70139 |
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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 | 3 | FXO | 1855.00000000 | | | | | |
| 1 | 1 | FXO | 1875.00000000 | | | | | |
| 1 | 2 | FXO | 1885.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 1855.00000000 | | 10M0F9W |
| 1 | 1 | 1875.00000000 | | 10M0F9W |
| 1 | 2 | 1885.00000000 | | 10M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | SHELL OFFSHORE PLATFORM HIGH ISLAND BLOCK A6, GULF OF MEXICO, GM | 29.15050000, -94.04766667 | | | 128.000 m structure / 128.000 m overall | |
| 2 | R | | 29.25994444, -94.12100000 | 0.000 m | | | |
| 3 | R | | 29.18077778, -94.52155556 | 0.000 m | | | |
| 4 | R | | 29.49800000, -93.77986111 | 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 | 31.1000 | 329.6000 | | |
| 1 | 2 | R | | | | 31.1000 | | | |
| 1 | 3 | R | | | | 33.2000 | | | |
| 1 | 4 | R | | | | 33.2000 | | | |
| 2 | 1 | T | | | V | 33.2000 | 274.3000 | | |
| 3 | 1 | T | | | V | 33.2000 | 34.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WHC685 | LICCNV |
| 1997-09-17 | WHC685 | COR |
| 1997-02-26 | WHC685 | LICAN |
| 1996-10-30 | WHC685 | COR |
| 1996-10-29 | WHC685 | LIASS |
| 1993-08-12 | WHC685 | LIMOD |
| 1993-07-07 | WHC685 | LIMOD |
| 1993-07-03 | WHC685 | LIMOD |
| 1988-07-18 | WHC685 | LIMOD |
| 1983-06-24 | WHC685 | LIMOD |
| 1982-09-24 | WHC685 | LIMOD |
| 1982-03-08 | WHC685 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 980442 | 2026-08-02 02:48:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WHC685 | ULS 980442 | 2026-08-02 02:48:12 |
| Status | C | ULS 980442 | 2026-08-02 02:48:12 |
| Service | MG | ULS 980442 | 2026-08-02 02:48:12 |
| Grant Date | 1996-10-29 | ULS 980442 | 2026-08-02 02:48:12 |
| Expiration Date | 1998-08-12 | ULS 980442 | 2026-08-02 02:48:12 |
| Cancellation Date | 1997-02-26 | ULS 980442 | 2026-08-02 02:48:12 |