Universal Licensing System
WNMJ840
3M Company
License details
| ULS identifier | 1664425 |
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| Call sign | WNMJ840 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 1998-06-29 |
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| Expiration | 2003-08-15 |
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| Cancellation | 2003-07-02 |
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| Frequency range | 464.375 - 469.375 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | BROOKINGS, BROOKINGS, SD |
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| Coordinates | 44.3033056, -96.8114444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:25 |
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Licensee
| Name | 3M Company |
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| Applicant type | C |
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| FRN | 0005881040 |
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| Location | St. Paul, MN |
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| Address | 3M Center, Building 224-4N-27, St. Paul, MN, 551441000 |
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| Phone | 6517331261 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 464.37500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 469.37500000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.37500000 | | 20K0F9W |
| 2 | 1 | 469.37500000 | | 20K0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 601 22ND AVE S, BROOKINGS, BROOKINGS, SD | 44.30330556, -96.81144444 | 500.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 601 22ND AVE S, BROOKINGS, SD | | 6056929433 |
License history
| Date | File or call sign | Action |
|---|
| 2003-07-03 | WNMJ840 | LICAN |
| 2003-05-19 | WNMJ840 | LETRES |
| 2002-05-01 | WNMJ840 | LIAUA |
| 2002-01-22 | WNMJ840 | AUDOPR |
| 2000-11-23 | WNMJ840 | LICCNV |
| 1998-06-29 | WNMJ840 | AUTHPR |
| 1998-06-29 | WNMJ840 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1664425 | 2026-08-02 01:13:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNMJ840 | ULS 1664425 | 2026-08-02 01:13:25 |
| Status | C | ULS 1664425 | 2026-08-02 01:13:25 |
| Service | IG | ULS 1664425 | 2026-08-02 01:13:25 |
| Grant Date | 1998-06-29 | ULS 1664425 | 2026-08-02 01:13:25 |
| Expiration Date | 2003-08-15 | ULS 1664425 | 2026-08-02 01:13:25 |
| Cancellation Date | 2003-07-02 | ULS 1664425 | 2026-08-02 01:13:25 |