Universal Licensing System
WPWM821
The Houston Exploration Company
License details
| ULS identifier | 2470403 |
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| Call sign | WPWM821 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2002-12-20 |
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| Expiration | 2012-12-20 |
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| Cancellation | 2007-05-23 |
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| Frequency range | 451.425 - 456.425 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | Zapata, ZAPATA, TX |
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| Coordinates | 26.9177778, -99.2503056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:26 |
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Licensee
| Name | The Houston Exploration Company |
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| Applicant type | C |
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| FRN | 0003298486 |
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| Location | Houston, TX |
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| Address | 1100 Louisiana, Houston, TX, 77002 |
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| Phone | 7138306812 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.42500000 | | | 75.000000 | 325.000000 | |
| 2 | 1 | MO | 451.42500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 456.42500000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1 | 456.42500000 | | | 100.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.42500000 | | 20K0F3E |
| 2 | 1 | 451.42500000 | | 20K0F3E |
| 2 | 1 | 456.42500000 | | 20K0F3E |
| 3 | 1 | 456.42500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1.5 mi NE, Zapata, ZAPATA, TX | 26.91777778, -99.25030556 | 119.400 m | TOWER | 146.300 m structure / 152.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | TX | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 137.100 m | | 0.0000 | 0.0000 | 139.000 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1100 Louisiana, Houston, TX | HARRIS | 7138306812 |
License history
| Date | File or call sign | Action |
|---|
| 2007-05-24 | WPWM821 | LICAN |
| 2007-05-23 | WPWM821 | ESCAPR |
| 2007-05-10 | WPWM821 | ESCAPR |
| 2003-09-22 | WPWM821 | LETCNS |
| 2002-12-20 | WPWM821 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2470403 | 2026-08-02 01:10:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWM821 | ULS 2470403 | 2026-08-02 01:10:26 |
| Status | C | ULS 2470403 | 2026-08-02 01:10:26 |
| Service | IG | ULS 2470403 | 2026-08-02 01:10:26 |
| Grant Date | 2002-12-20 | ULS 2470403 | 2026-08-02 01:10:26 |
| Expiration Date | 2012-12-20 | ULS 2470403 | 2026-08-02 01:10:26 |
| Cancellation Date | 2007-05-23 | ULS 2470403 | 2026-08-02 01:10:26 |