Universal Licensing System
WRDR557
3M COMPANY
License details
| ULS identifier | 4176339 |
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| Call sign | WRDR557 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-03 |
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| Expiration | 2029-07-03 |
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| Frequency range | 461.7875 - 466.7875 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | HUTCHINSON, MCLEOD, MN |
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| Coordinates | 44.8826111, -94.3587222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:57 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.78750000 | | | 50.000000 | 75.000000 | |
| 2 | 1 | MO | 461.78750000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 466.78750000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.78750000 | | 4K00F1E |
| 1 | 1 | 461.78750000 | | 8K30F1E |
| 1 | 1 | 461.78750000 | | 11K2F3E |
| 2 | 1 | 461.78750000 | | 11K2F3E |
| 2 | 1 | 461.78750000 | | 8K30F1E |
| 2 | 1 | 461.78750000 | | 4K00F1E |
| 2 | 1 | 466.78750000 | | 4K00F1E |
| 2 | 1 | 466.78750000 | | 11K2F3E |
| 2 | 1 | 466.78750000 | | 8K30F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 905 ADAMS STREET SE, HUTCHINSON, MCLEOD, MN | 44.88261111, -94.35872222 | 316.000 m | B | 13.000 m structure / 17.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 17.000 m | | | | 3.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 905 ADAMS ST SE, HUTCHINSON, MN | MCLEOD | 3204554193 |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-03 | WRDR557 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4176339 | 2026-08-02 01:22:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDR557 | ULS 4176339 | 2026-08-02 01:22:57 |
| Status | A | ULS 4176339 | 2026-08-02 01:22:57 |
| Service | IG | ULS 4176339 | 2026-08-02 01:22:57 |
| Grant Date | 2019-07-03 | ULS 4176339 | 2026-08-02 01:22:57 |
| Expiration Date | 2029-07-03 | ULS 4176339 | 2026-08-02 01:22:57 |