Universal Licensing System
WRUD638
HARRIS COUNTY EMERGENCY SERVICES DISTRICT 21
License details
| ULS identifier | 4650703 |
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| Call sign | WRUD638 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2022-08-16 |
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| Expiration | 2032-08-16 |
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| Frequency range | 453.475 - 458.475 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | Baytown, HARRIS, TX |
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| Coordinates | 29.8069722, -95.0168056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 453.47500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 458.47500000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.47500000 | | 11K2F1D |
| 1 | 1 | 458.47500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Baytown, HARRIS, TX | 29.80697222, -95.01680556 | | | | |
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 | 1713 2nd St., Galena Park, TX | HARRIS | 7136745311 |
License history
| Date | File or call sign | Action |
|---|
| 2022-08-16 | WRUD638 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4650703 | 2026-08-02 01:13:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRUD638 | ULS 4650703 | 2026-08-02 01:13:59 |
| Status | A | ULS 4650703 | 2026-08-02 01:13:59 |
| Service | PW | ULS 4650703 | 2026-08-02 01:13:59 |
| Grant Date | 2022-08-16 | ULS 4650703 | 2026-08-02 01:13:59 |
| Expiration Date | 2032-08-16 | ULS 4650703 | 2026-08-02 01:13:59 |