Universal Licensing System
KOI431
NorthWestern Corporation
License details
| ULS identifier | 1887219 |
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| Call sign | KOI431 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2012-06-21 |
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| Expiration | 2022-03-30 |
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| Cancellation | 2022-01-13 |
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| Frequency range | 158.25 MHz |
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| Locations | 1 |
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| Representative location | WOLF CREEK, LEWIS AND CLARK, MT |
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| Coordinates | 47.2818889, -112.0077778 |
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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 |
|---|
| 1 | 1 | FB2 | 158.25000000 | | | 110.000000 | 110.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 158.25000000 | | 11K3F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 30 MI N, WOLF CREEK, LEWIS AND CLARK, MT | 47.28188889, -112.00777778 | 1680.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 40 E BROADWAY, BUTTE, MT | | 4067235421 |
License history
| Date | File or call sign | Action |
|---|
| 2022-01-14 | KOI431 | LICAN |
| 2022-01-03 | KOI431 | LETRES |
| 2020-10-30 | KOI431 | LIAUA |
| 2016-05-14 | KOI431 | LIAUA |
| 2016-05-13 | KOI431 | ESUAPR |
| 2013-06-11 | KOI431 | LIMOD |
| 2013-01-24 | KOI431 | LTSAPR |
| 2013-01-01 | KOI431 | LTSAPR |
| 2012-06-21 | KOI431 | LIREN |
| 2012-01-02 | KOI431 | LETRES |
| 2007-07-31 | KOI431 | ESCAPR |
| 2006-05-08 | KOI431 | LTSAPR |
| 2006-05-06 | KOI431 | LIAUA |
| 2005-09-28 | KOI431 | LIAUA |
| 2005-09-28 | KOI431 | LTSAPR |
| 2005-04-07 | KOI431 | LIASS |
| 2005-03-16 | KOI431 | LTSAPR |
| 2003-09-14 | KOI431 | LIASS |
| 2002-11-15 | KOI431 | LIASS |
| 2002-04-12 | KOI431 | LIREN |
| 2002-03-14 | KOI431 | LIAUA |
| 2002-03-04 | KOI431 | AUDOPR |
| 2002-02-15 | KOI431 | LITRAN |
| 2001-12-31 | KOI431 | LETRES |
| 2000-11-24 | KOI431 | LICCNV |
| 1997-02-10 | KOI431 | LIREN |
| 1997-02-10 | KOI431 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1887219 | 2026-08-02 01:25:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KOI431 | ULS 1887219 | 2026-08-02 01:25:53 |
| Status | C | ULS 1887219 | 2026-08-02 01:25:53 |
| Service | IG | ULS 1887219 | 2026-08-02 01:25:53 |
| Grant Date | 2012-06-21 | ULS 1887219 | 2026-08-02 01:25:53 |
| Expiration Date | 2022-03-30 | ULS 1887219 | 2026-08-02 01:25:53 |
| Cancellation Date | 2022-01-13 | ULS 1887219 | 2026-08-02 01:25:53 |