Universal Licensing System
WRFF428
Otter Tail County Sheriffs Office
License details
| ULS identifier | 4252497 |
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| Call sign | WRFF428 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2020-02-19 |
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| Expiration | 2030-02-19 |
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| Frequency range | 10735 MHz |
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| Locations | 2 |
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| Representative location | Henning, OTTER TAIL, MN |
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| Coordinates | 46.3202500, -95.4482222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:42:41 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10735.00000000 | | | | | |
| 1 | 1 | FXO | 10735.00000000 | | | | | |
| 1 | 1 | FXO | 10735.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10735.00000000 | | 10M0D7W |
| 1 | 1 | 10735.00000000 | | 10M0D7W |
| 1 | 1 | 10735.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 501 School Avenue, Henning, OTTER TAIL, MN | 46.32025000, -95.44822222 | 436.000 m | TANK | 42.700 m structure / 44.200 m overall | |
| 2 | R | | 46.54277778, -95.44933333 | 430.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES INC. HP4-11 | | V | 41.0000 | 359.8000 | | |
| 1 | 2 | R | RADIO WAVES INC. HP4-11 | | | 41.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-02-19 | WRFF428 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4252497 | 2026-08-02 02:42:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFF428 | ULS 4252497 | 2026-08-02 02:42:41 |
| Status | A | ULS 4252497 | 2026-08-02 02:42:41 |
| Service | MW | ULS 4252497 | 2026-08-02 02:42:41 |
| Grant Date | 2020-02-19 | ULS 4252497 | 2026-08-02 02:42:41 |
| Expiration Date | 2030-02-19 | ULS 4252497 | 2026-08-02 02:42:41 |