Universal Licensing System
WREX434
National Oilwell Varco
License details
| ULS identifier | 4234738 |
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| Call sign | WREX434 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-12-21 |
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| Expiration | 2029-12-21 |
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| Frequency range | 456.2375 - 456.5875 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | Oklahoma City, OKLAHOMA, OK |
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| Coordinates | 35.4446389, -97.4603056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:28 |
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Licensee
| Name | National Oilwell Varco |
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| Applicant type | C |
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| FRN | 0029049426 |
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| Location | Houston, TX |
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| Address | Houston, TX, 77001 |
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| Phone | 3462236100 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.53750000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MO | 456.23750000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MO | 456.48750000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MO | 456.53750000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MO | 456.58750000 | | | 4.000000 | 3.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.53750000 | | 7K60FXE |
| 1 | 1 | 456.23750000 | | 7K60FXE |
| 1 | 1 | 456.48750000 | | 7K60FXE |
| 1 | 1 | 456.53750000 | | 7K60FXE |
| 1 | 1 | 456.58750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Oklahoma City, OKLAHOMA, OK | 35.44463889, -97.46030556 | | | | |
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 | 2100 E GRAND BLVD, OKLAHOMA CITY, OK | OKLAHOMA | 3462236100 |
License history
| Date | File or call sign | Action |
|---|
| 2020-09-22 | WREX434 | LETCNS |
| 2019-12-21 | WREX434 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4234738 | 2026-08-02 01:23:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WREX434 | ULS 4234738 | 2026-08-02 01:23:28 |
| Status | A | ULS 4234738 | 2026-08-02 01:23:28 |
| Service | IG | ULS 4234738 | 2026-08-02 01:23:28 |
| Grant Date | 2019-12-21 | ULS 4234738 | 2026-08-02 01:23:28 |
| Expiration Date | 2029-12-21 | ULS 4234738 | 2026-08-02 01:23:28 |