Universal Licensing System
WRDU850
ACTIVE TOOL & DIE, INC.
License details
| ULS identifier | 4183023 |
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| Call sign | WRDU850 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-25 |
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| Expiration | 2029-07-25 |
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| Frequency range | 452.1125 - 462.825 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | ST. CHARLES, WINONA, MN |
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| Coordinates | 43.9543333, -92.0602222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:06 |
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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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| 2 | 1 | MO | 452.11250000 | | | 6.000000 | 6.000000 | |
| 1 | 1 | FB | 462.82500000 | | | 6.000000 | 6.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 452.11250000 | | 11K2F1D |
| 1 | 1 | 462.82500000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2143 DONAHUE AVENUE, ST. CHARLES, WINONA, MN | 43.95433333, -92.06022222 | 402.000 m | B | 5.000 m structure / 5.000 m overall | |
| 2 | T | 2143 DONAHUE AVENUE, ST. CHARLES, WINONA, MN | 43.95433333, -92.06022222 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 2.000 m | | | | 47.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2143 DONAHUE AVENUE, ST. CHARLES, MN | WINONA | 5079323363 |
License history
| Date | File or call sign | Action |
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| 2019-07-25 | WRDU850 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4183023 | 2026-08-02 01:23:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDU850 | ULS 4183023 | 2026-08-02 01:23:06 |
| Status | A | ULS 4183023 | 2026-08-02 01:23:06 |
| Service | IG | ULS 4183023 | 2026-08-02 01:23:06 |
| Grant Date | 2019-07-25 | ULS 4183023 | 2026-08-02 01:23:06 |
| Expiration Date | 2029-07-25 | ULS 4183023 | 2026-08-02 01:23:06 |