Universal Licensing System
WFH77
WesternGeco L.L.C.
License details
| ULS identifier | 1975209 |
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| Call sign | WFH77 |
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| Radio service | MK |
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| Status | E |
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| Grant date | 2000-12-07 |
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| Expiration | 2004-11-28 |
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| Cancellation | 2005-01-29 |
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| Frequency range | 5.1659 - 8.0714 MHz (3 frequencies) |
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| Locations | 1 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:13 |
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Licensee
| Name | WesternGeco L.L.C. |
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| Applicant type | C |
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| FRN | 0004248266 |
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| Location | HOUSTON, TX |
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| Address | 10001 Richmond Avenue, HOUSTON, TX, 770424299 |
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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 | APX2 | 5.16590000 | | 5.16450000 | 150.000000 | | |
| 1 | 1 | APX2 | 5.16890000 | | 5.16750000 | 150.000000 | | |
| 1 | 1 | APX2 | 8.07140000 | | 8.07000000 | 150.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 5.16590000 | | 2K80J3E |
| 1 | 1 | 5.16890000 | | 2K80J3E |
| 1 | 1 | 8.07140000 | | 2K80J3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2005-01-29 | WFH77 | LIEXP |
| 2004-09-08 | WFH77 | LETRES |
| 2001-07-04 | WFH77 | LIAUA |
| 2001-04-27 | WFH77 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1975209 | 2026-08-02 02:08:13 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WFH77 | ULS 1975209 | 2026-08-02 02:08:13 |
| Status | E | ULS 1975209 | 2026-08-02 02:08:13 |
| Service | MK | ULS 1975209 | 2026-08-02 02:08:13 |
| Grant Date | 2000-12-07 | ULS 1975209 | 2026-08-02 02:08:13 |
| Expiration Date | 2004-11-28 | ULS 1975209 | 2026-08-02 02:08:13 |
| Cancellation Date | 2005-01-29 | ULS 1975209 | 2026-08-02 02:08:13 |