Universal Licensing System
WPKP434
HEMBREES SECURITY SERVICE
License details
| ULS identifier | 1749308 |
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| Call sign | WPKP434 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-05-30 |
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| Expiration | 2002-05-30 |
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| Cancellation | 2002-09-29 |
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| Frequency range | 463.925 - 468.925 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | EVANSTON, UINTA, WY |
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| Coordinates | 41.3524444, -110.9079444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:29:02 |
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Licensee
| Name | HEMBREES SECURITY SERVICE |
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| Applicant type | C |
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| Location | EVANSTON, WY |
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| Address | 2884 YELLOW CREEK RD 1126, EVANSTON, WY, 82930 |
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| Phone | 3077896185 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB4 | 463.92500000 | | | 100.000000 | 375.000000 | |
| 3 | 1 | MO | 463.92500000 | | | 90.000000 | | |
| 2 | 1 | FX1 | 468.92500000 | | | 30.000000 | | |
| 3 | 1 | MO | 468.92500000 | | | 90.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.92500000 | | 20K0F3E |
| 3 | 1 | 463.92500000 | | 20K0F3E |
| 2 | 1 | 468.92500000 | | 20K0F3E |
| 3 | 1 | 468.92500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | MEDICINE BUTTE 16 KM NE, EVANSTON, UINTA, WY | 41.35244444, -110.90794444 | 2624.000 m | TOWER | 16.000 m structure / 18.000 m overall | N |
| 2 | T | WY | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | 0.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2884 YELLOW CREEK RD 1241, EVANSTON, WY | | 3077896185 |
License history
| Date | File or call sign | Action |
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| 2002-09-29 | WPKP434 | LIEXP |
| 2002-05-03 | WPKP434 | LETAUS |
| 2002-03-04 | WPKP434 | LETRES |
| 2000-11-23 | WPKP434 | LICCNV |
| 1997-05-30 | WPKP434 | AUTHPR |
| 1997-05-30 | WPKP434 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1749308 | 2026-08-02 01:29:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKP434 | ULS 1749308 | 2026-08-02 01:29:02 |
| Status | E | ULS 1749308 | 2026-08-02 01:29:02 |
| Service | IG | ULS 1749308 | 2026-08-02 01:29:02 |
| Grant Date | 1997-05-30 | ULS 1749308 | 2026-08-02 01:29:02 |
| Expiration Date | 2002-05-30 | ULS 1749308 | 2026-08-02 01:29:02 |
| Cancellation Date | 2002-09-29 | ULS 1749308 | 2026-08-02 01:29:02 |