Universal Licensing System
WPNR686
HYDRIL VALVCON
License details
| ULS identifier | 1805268 |
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| Call sign | WPNR686 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1999-05-18 |
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| Expiration | 2004-05-18 |
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| Cancellation | 2002-03-15 |
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| Frequency range | 452.225 - 464.35 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | HARRIS, TX |
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| Coordinates | 29.6407778, -95.2613333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:51 |
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Licensee
| Name | HYDRIL VALVCON |
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| Applicant type | C |
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| Location | HOUSTON, TX |
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| Address | 8641 MOERS RD, HOUSTON, TX, 77075 |
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| Phone | 7139416639 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.22500000 | | | 4.000000 | | |
| 1 | 1 | MO | 452.62500000 | | | 4.000000 | | |
| 1 | 1 | MO | 461.70000000 | | | 4.000000 | | |
| 1 | 1 | MO | 464.35000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.22500000 | | 20K0F3E |
| 1 | 1 | 452.62500000 | | 20K0F3E |
| 1 | 1 | 461.70000000 | | 20K0F3E |
| 1 | 1 | 464.35000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HARRIS, TX | 29.64077778, -95.26133333 | | | | |
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 | 8641 MOERS RD, HOUSTON, TX | | 7139416639 |
License history
| Date | File or call sign | Action |
|---|
| 2002-03-15 | WPNR686 | LITERM |
| 2001-10-15 | WPNR686 | AUDCAN |
| 2000-11-23 | WPNR686 | LICCNV |
| 1999-05-18 | WPNR686 | AUTHPR |
| 1999-05-18 | WPNR686 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1805268 | 2026-08-02 01:26:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNR686 | ULS 1805268 | 2026-08-02 01:26:51 |
| Status | T | ULS 1805268 | 2026-08-02 01:26:51 |
| Service | IG | ULS 1805268 | 2026-08-02 01:26:51 |
| Grant Date | 1999-05-18 | ULS 1805268 | 2026-08-02 01:26:51 |
| Expiration Date | 2004-05-18 | ULS 1805268 | 2026-08-02 01:26:51 |
| Cancellation Date | 2002-03-15 | ULS 1805268 | 2026-08-02 01:26:51 |