Universal Licensing System
KNIW521
NorthWestern Corporation
License details
| ULS identifier | 1886577 |
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| Call sign | KNIW521 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2014-09-11 |
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| Expiration | 2024-08-10 |
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| Cancellation | 2024-11-16 |
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| Frequency range | 451.575 - 456.575 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | REE HEIGHTS, HAND, SD |
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| Coordinates | 44.4721944, -99.1740000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:25:53 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FB2 | 451.57500000 | | | 100.000000 | 320.000000 | |
| 1 | 1 | FX1 | 456.57500000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 456.57500000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.57500000 | | 11K3F3E |
| 1 | 1 | 456.57500000 | | 11K3F3E |
| 4 | 1 | 456.57500000 | | 11K3F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SD | | | | | |
| 3 | T | 2.5 MI SE, REE HEIGHTS, HAND, SD | 44.47219444, -99.17400000 | 632.000 m | | | N |
| 4 | T | HAND, SD | 44.47219444, -99.17400000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 3 | T | | 61.000 m | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 21ST & LINCOLN AVE SW, HURON, SD | | 6053528411 |
License history
| Date | File or call sign | Action |
|---|
| 2024-11-16 | KNIW521 | LIEXP |
| 2024-05-20 | KNIW521 | LETRES |
| 2020-10-30 | KNIW521 | LIAUA |
| 2016-05-14 | KNIW521 | LIAUA |
| 2016-05-13 | KNIW521 | ESUAPR |
| 2014-09-11 | KNIW521 | LIREN |
| 2014-09-05 | KNIW521 | ESUAPR |
| 2014-05-19 | KNIW521 | LETRES |
| 2013-06-10 | KNIW521 | LIMOD |
| 2013-01-23 | KNIW521 | LTSAPR |
| 2013-01-18 | KNIW521 | LTSAPR |
| 2013-01-07 | KNIW521 | LTSAPR |
| 2007-07-31 | KNIW521 | ESCAPR |
| 2006-05-08 | KNIW521 | LTSAPR |
| 2006-05-06 | KNIW521 | LIAUA |
| 2006-04-11 | KNIW521 | LIASS |
| 2005-05-02 | KNIW521 | LTSAPR |
| 2005-03-16 | KNIW521 | LTSAPR |
| 2004-05-21 | KNIW521 | LIREN |
| 2004-05-13 | KNIW521 | LETRES |
| 2003-10-03 | KNIW521 | LIAUA |
| 2003-09-14 | KNIW521 | LITRAN |
| 2002-02-21 | KNIW521 | AUDOPR |
| 2000-11-24 | KNIW521 | LICCNV |
| 1999-06-02 | KNIW521 | AUTHPR |
| 1999-06-02 | KNIW521 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1886577 | 2026-08-02 01:25:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNIW521 | ULS 1886577 | 2026-08-02 01:25:53 |
| Status | E | ULS 1886577 | 2026-08-02 01:25:53 |
| Service | IG | ULS 1886577 | 2026-08-02 01:25:53 |
| Grant Date | 2014-09-11 | ULS 1886577 | 2026-08-02 01:25:53 |
| Expiration Date | 2024-08-10 | ULS 1886577 | 2026-08-02 01:25:53 |
| Cancellation Date | 2024-11-16 | ULS 1886577 | 2026-08-02 01:25:53 |