Universal Licensing System
KOK586
NorthWestern Corporation
License details
| ULS identifier | 1776035 |
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| Call sign | KOK586 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2003-12-02 |
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| Expiration | 2014-02-10 |
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| Cancellation | 2013-01-02 |
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| Frequency range | 158.13 - 159.435 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | GLASGOW, VALLEY, MT |
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| Coordinates | 48.1997500, -106.6122778 |
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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 |
|---|
| 1 | 2 | FB | 158.13000000 | | | 100.000000 | 296.000000 | |
| 1 | 1 | FX1 | 159.43500000 | | | 100.000000 | 296.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 158.13000000 | | 20K0F3E |
| 1 | 1 | 159.43500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GLASGOW BASE STATION, GLASGOW, VALLEY, MT | 48.19975000, -106.61227778 | 671.000 m | TANK | 43.000 m structure / 49.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 0.000 m | V | 5.5000 | 360.0000 | 0.000 | |
| 2 | 1 | T | | 49.000 m | V | 5.5000 | 360.0000 | 68.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 40 E BROADWAY, BUTTE, MT | | 4064073000 |
License history
| Date | File or call sign | Action |
|---|
| 2013-01-03 | KOK586 | LICAN |
| 2007-07-31 | KOK586 | ESCAPR |
| 2006-05-08 | KOK586 | LTSAPR |
| 2006-05-06 | KOK586 | LIAUA |
| 2005-09-28 | KOK586 | LTSAPR |
| 2005-09-28 | KOK586 | LIAUA |
| 2005-04-07 | KOK586 | LIASS |
| 2005-03-16 | KOK586 | LTSAPR |
| 2003-12-02 | KOK586 | LIREN |
| 2003-11-17 | KOK586 | LETRES |
| 2003-09-14 | KOK586 | LIASS |
| 2002-11-15 | KOK586 | LIASS |
| 2002-03-14 | KOK586 | LIAUA |
| 2002-03-04 | KOK586 | AUDOPR |
| 2002-02-15 | KOK586 | LITRAN |
| 2000-11-23 | KOK586 | LICCNV |
| 1998-11-24 | KOK586 | LIREN |
| 1998-11-24 | KOK586 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1776035 | 2026-08-02 01:25:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KOK586 | ULS 1776035 | 2026-08-02 01:25:53 |
| Status | C | ULS 1776035 | 2026-08-02 01:25:53 |
| Service | IG | ULS 1776035 | 2026-08-02 01:25:53 |
| Grant Date | 2003-12-02 | ULS 1776035 | 2026-08-02 01:25:53 |
| Expiration Date | 2014-02-10 | ULS 1776035 | 2026-08-02 01:25:53 |
| Cancellation Date | 2013-01-02 | ULS 1776035 | 2026-08-02 01:25:53 |