Universal Licensing System
KNHS474
Harris County Flood Control District
License details
| ULS identifier | 1287716 |
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| Call sign | KNHS474 |
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| Radio service | PW |
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| Status | C |
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| Grant date | 2013-09-24 |
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| Expiration | 2023-09-17 |
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| Cancellation | 2015-11-05 |
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| Frequency range | 170.225 MHz |
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| Locations | 5 |
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| Representative location | HOUSTON, HARRIS, TX |
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| Coordinates | 29.6722222, -95.5277778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:55 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX | 170.22500000 | | | 5.000000 | 20.000000 | |
| 2 | 1 | FX | 170.22500000 | | | 5.000000 | 20.000000 | |
| 3 | 1 | FX | 170.22500000 | | | 5.000000 | 20.000000 | |
| 4 | 1 | FX | 170.22500000 | | | 5.000000 | 20.000000 | |
| 5 | 1 | FX | 170.22500000 | | | 5.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 170.22500000 | | 11K0F2D |
| 2 | 1 | 170.22500000 | | 11K0F2D |
| 3 | 1 | 170.22500000 | | 11K0F2D |
| 4 | 1 | 170.22500000 | | 11K0F2D |
| 5 | 1 | 170.22500000 | | 11K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Brays Bayou at Gessner, HOUSTON, HARRIS, TX | 29.67222222, -95.52777778 | 19.800 m | MAST | 3.000 m structure / 4.600 m overall | N |
| 2 | T | BRAYS BAYOU AT SOUTH MAIN, HOUSTON, HARRIS, TX | 29.69666667, -95.41250000 | 14.600 m | MAST | 3.000 m structure / 4.600 m overall | N |
| 3 | T | Keegans Bayou at Roark, HOUSTON, HARRIS, TX | 29.65555556, -95.56250000 | 24.100 m | MAST | 3.000 m structure / 4.600 m overall | N |
| 4 | T | White Oak Bayou at Heights Blvd., HOUSTON, HARRIS, TX | 29.77305556, -95.39527778 | 12.700 m | MAST | 3.000 m structure / 4.600 m overall | N |
| 5 | T | Little Cedar Bayou at 8th Street, LaPorte, HARRIS, TX | 29.64722222, -95.02361111 | 5.000 m | MAST | 3.000 m structure / 4.600 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 1.600 m | V | 7.0000 | 40.0000 | 4.600 | |
| 1 | 2 | T | | 1.600 m | V | 7.0000 | 30.0000 | 4.600 | |
| 1 | 3 | T | | 1.600 m | V | 7.0000 | 61.0000 | 4.600 | |
| 1 | 4 | T | | 1.600 m | V | 7.0000 | 45.0000 | 4.600 | |
| 1 | 5 | T | | 1.600 m | V | 7.0000 | 355.0000 | 4.600 | |
Control points
| Number | Address | County | Phone |
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| 1 | 9900 NW Freeway, HOUSTON, TX | HARRIS | 7133163609 |
License history
| Date | File or call sign | Action |
|---|
| 2015-11-06 | KNHS474 | LICAN |
| 2015-11-05 | KNHS474 | ESUAPR |
| 2013-09-24 | KNHS474 | LIREN |
| 2013-09-07 | KNHS474 | ESURNW |
| 2013-08-18 | KNHS474 | ESURNW |
| 2013-07-19 | KNHS474 | ESURNW |
| 2013-06-24 | KNHS474 | LETRES |
| 2013-06-19 | KNHS474 | ESURNW |
| 2012-11-02 | KNHS474 | LIMOD |
| 2012-09-25 | KNHS474 | LTSAPR |
| 2012-09-25 | KNHS474 | EFUAPR |
| 2012-09-24 | KNHS474 | ESUAPR |
| 2012-09-17 | KNHS474 | ESUAPR |
| 2012-04-11 | KNHS474 | ESUAPR |
| 2003-12-15 | KNHS474 | LIMOD |
| 2003-09-03 | KNHS474 | COR |
| 2003-09-03 | KNHS474 | LIREN |
| 2000-10-20 | KNHS474 | LICCNV |
| 1998-09-29 | KNHS474 | AUTHPR |
| 1998-09-17 | KNHS474 | LIRMD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1287716 | 2026-08-02 01:24:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNHS474 | ULS 1287716 | 2026-08-02 01:24:55 |
| Status | C | ULS 1287716 | 2026-08-02 01:24:55 |
| Service | PW | ULS 1287716 | 2026-08-02 01:24:55 |
| Grant Date | 2013-09-24 | ULS 1287716 | 2026-08-02 01:24:55 |
| Expiration Date | 2023-09-17 | ULS 1287716 | 2026-08-02 01:24:55 |
| Cancellation Date | 2015-11-05 | ULS 1287716 | 2026-08-02 01:24:55 |