Universal Licensing System
WPUQ428
ION Geophysical Corporation
License details
| ULS identifier | 2401203 |
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| Call sign | WPUQ428 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-04-12 |
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| Expiration | 2012-04-12 |
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| Cancellation | 2012-06-16 |
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| Frequency range | 461.275 - 466.275 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | STAFFORD, HARRIS, TX |
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| Coordinates | 29.6430278, -95.5685000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.27500000 | | | 20.000000 | 79.600000 | |
| 2 | 1 | MO | 466.27500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 466.27500000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.27500000 | | 11K2F3E |
| 2 | 1 | 466.27500000 | | 11K2F3E |
| 3 | 1 | 466.27500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 12200 PARC CREST DRIVE, STAFFORD, HARRIS, TX | 29.64302778, -95.56850000 | 24.000 m | B | 15.200 m structure / 15.200 m overall | |
| 2 | T | | | 0.000 m | | 0.000 m structure / 0.000 m overall | |
| 3 | T | TX | | 0.000 m | | 0.000 m structure / 0.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 15.200 m | V | 6.0000 | 360.0000 | 17.500 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12300 CHARLES E SELECMAN, STAFFORD, TX | HARRIS | 2819333339 |
License history
| Date | File or call sign | Action |
|---|
| 2012-06-16 | WPUQ428 | LIEXP |
| 2012-01-16 | WPUQ428 | LETRES |
| 2010-06-30 | WPUQ428 | LIAUA |
| 2010-06-29 | WPUQ428 | ESCFNR |
| 2010-06-29 | WPUQ428 | ESCAPR |
| 2003-01-13 | WPUQ428 | LETCNS |
| 2002-04-12 | WPUQ428 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2401203 | 2026-08-02 01:26:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPUQ428 | ULS 2401203 | 2026-08-02 01:26:18 |
| Status | E | ULS 2401203 | 2026-08-02 01:26:18 |
| Service | IG | ULS 2401203 | 2026-08-02 01:26:18 |
| Grant Date | 2002-04-12 | ULS 2401203 | 2026-08-02 01:26:18 |
| Expiration Date | 2012-04-12 | ULS 2401203 | 2026-08-02 01:26:18 |
| Cancellation Date | 2012-06-16 | ULS 2401203 | 2026-08-02 01:26:18 |