Universal Licensing System
WNMO411
SYSTEMS OPERATIONS CORP
License details
| ULS identifier | 1864184 |
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| Call sign | WNMO411 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2013-08-07 |
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| Expiration | 2023-09-12 |
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| Cancellation | 2023-11-18 |
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| Frequency range | 452.075 - 457.075 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | HUMBOLDT, KITTSON, MN |
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| Coordinates | 48.7999722, -97.0031111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:21 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2C | 452.07500000 | | | 25.000000 | 33.000000 | |
| 2 | 1 | MO | 452.07500000 | | | 25.000000 | | |
| 2 | 1 | MO | 457.07500000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.07500000 | | 11K0F3E |
| 2 | 1 | 452.07500000 | | 11K0F3E |
| 2 | 1 | 457.07500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HWY 75 1.5 MI S, HUMBOLDT, KITTSON, MN | 48.79997222, -97.00311111 | 255.000 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 | HWY 75 1.5 MI S, HUMBOLDT, MN | KITTSON | 2183793163 |
License history
| Date | File or call sign | Action |
|---|
| 2023-11-18 | WNMO411 | LIEXP |
| 2023-06-26 | WNMO411 | LETRES |
| 2013-08-07 | WNMO411 | LIREN |
| 2013-08-07 | WNMO411 | LIAUA |
| 2013-08-07 | WNMO411 | LTSAPR |
| 2013-06-17 | WNMO411 | LETRES |
| 2013-02-11 | WNMO411 | LIMOD |
| 2003-07-10 | WNMO411 | LIREN |
| 2003-06-16 | WNMO411 | LETRES |
| 2001-11-23 | WNMO411 | AUDOPR |
| 2000-11-24 | WNMO411 | LICCNV |
| 1998-07-01 | WNMO411 | LIREN |
| 1998-07-01 | WNMO411 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1864184 | 2026-08-02 01:13:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNMO411 | ULS 1864184 | 2026-08-02 01:13:21 |
| Status | E | ULS 1864184 | 2026-08-02 01:13:21 |
| Service | IG | ULS 1864184 | 2026-08-02 01:13:21 |
| Grant Date | 2013-08-07 | ULS 1864184 | 2026-08-02 01:13:21 |
| Expiration Date | 2023-09-12 | ULS 1864184 | 2026-08-02 01:13:21 |
| Cancellation Date | 2023-11-18 | ULS 1864184 | 2026-08-02 01:13:21 |