Universal Licensing System
WRDB471
SCHLUMBERGER RIG TECHNOLOGY, INC.
License details
| ULS identifier | 4135589 |
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| Call sign | WRDB471 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-03-19 |
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| Expiration | 2029-03-19 |
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| Frequency range | 451.6875 - 456.7125 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | HOUSTON, HARRIS, TX |
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| Coordinates | 29.6390000, -95.4866111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:33 |
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Licensee
| Name | SCHLUMBERGER RIG TECHNOLOGY, INC. |
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| Applicant type | C |
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| FRN | 0028086643 |
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| Location | HOUSTON, TX |
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| Address | 6650 BINGLE RD, HOUSTON, TX, 77092 |
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| Phone | 7138491700 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.68750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.23750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.68750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.71250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.68750000 | | 11K2F3E |
| 1 | 1 | 456.23750000 | | 11K2F3E |
| 1 | 1 | 456.68750000 | | 11K2F3E |
| 1 | 1 | 456.71250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HOUSTON, HARRIS, TX | 29.63900000, -95.48661111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 6650 BINGLE RD, HOUSTON, TX | HARRIS | 7138491700 |
License history
| Date | File or call sign | Action |
|---|
| 2019-12-17 | WRDB471 | LETCNS |
| 2019-03-19 | WRDB471 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4135589 | 2026-08-02 01:22:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB471 | ULS 4135589 | 2026-08-02 01:22:33 |
| Status | A | ULS 4135589 | 2026-08-02 01:22:33 |
| Service | IG | ULS 4135589 | 2026-08-02 01:22:33 |
| Grant Date | 2019-03-19 | ULS 4135589 | 2026-08-02 01:22:33 |
| Expiration Date | 2029-03-19 | ULS 4135589 | 2026-08-02 01:22:33 |