Universal Licensing System
KOK381
NorthWestern Corporation
License details
| ULS identifier | 1887258 |
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| Call sign | KOK381 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-06-12 |
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| Expiration | 2011-07-11 |
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| Cancellation | 2011-09-10 |
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| Frequency range | 158.13 - 159.435 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | HAMILTON, RAVALLI, MT |
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| Coordinates | 46.2360278, -114.1534167 |
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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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Licensee
| Name | NorthWestern Corporation |
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| Applicant type | C |
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| FRN | 0012478665 |
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| Location | Butte, MT |
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| Address | 40 East Broadway, Butte, MT, 59701 |
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| Phone | 4064971000 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB | 158.13000000 | | | 110.000000 | | |
| 1 | 1 | FX1 | 158.22000000 | | | 110.000000 | | |
| 1 | 1 | FX1 | 159.43500000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 158.13000000 | | 20K0F3E |
| 1 | 1 | 158.22000000 | | 20K0F3E |
| 1 | 1 | 159.43500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1316 S FIRST, HAMILTON, RAVALLI, MT | 46.23602778, -114.15341667 | 1093.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1316 S FIRST, HAMILTON, MT | | 4067235421 |
License history
| Date | File or call sign | Action |
|---|
| 2011-09-10 | KOK381 | LIEXP |
| 2011-04-18 | KOK381 | LETRES |
| 2007-07-31 | KOK381 | ESCAPR |
| 2006-05-08 | KOK381 | LTSAPR |
| 2006-05-06 | KOK381 | LIAUA |
| 2005-09-28 | KOK381 | LIAUA |
| 2005-09-28 | KOK381 | LTSAPR |
| 2005-04-07 | KOK381 | LIASS |
| 2005-03-16 | KOK381 | LTSAPR |
| 2003-09-14 | KOK381 | LIASS |
| 2002-11-15 | KOK381 | LIASS |
| 2002-03-14 | KOK381 | LIAUA |
| 2002-03-04 | KOK381 | AUDOPR |
| 2002-02-15 | KOK381 | LITRAN |
| 2001-06-12 | KOK381 | LIREN |
| 2001-04-16 | KOK381 | LETRES |
| 2000-11-24 | KOK381 | LICCNV |
| 1996-06-04 | KOK381 | AUTHPR |
| 1996-06-04 | KOK381 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1887258 | 2026-08-02 01:25:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KOK381 | ULS 1887258 | 2026-08-02 01:25:53 |
| Status | E | ULS 1887258 | 2026-08-02 01:25:53 |
| Service | IG | ULS 1887258 | 2026-08-02 01:25:53 |
| Grant Date | 2001-06-12 | ULS 1887258 | 2026-08-02 01:25:53 |
| Expiration Date | 2011-07-11 | ULS 1887258 | 2026-08-02 01:25:53 |
| Cancellation Date | 2011-09-10 | ULS 1887258 | 2026-08-02 01:25:53 |