Universal Licensing System
WPKJ580
NORTHWESTERN ENERGY
License details
| ULS identifier | 1897197 |
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| Call sign | WPKJ580 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2002-01-30 |
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| Expiration | 2012-03-12 |
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| Cancellation | 2002-05-08 |
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| Frequency range | 451.2 - 456.2 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | MALTA, PHILLIPS, MT |
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| Coordinates | 48.3027778, -107.8565000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-30 09:47:30 |
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Licensee
| Name | NORTHWESTERN ENERGY |
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| Applicant type | C |
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| FRN | 0001647619 |
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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 | FB2C | 451.20000000 | | | 100.000000 | 350.000000 | |
| 2 | 1 | MO | 451.20000000 | | | 100.000000 | | |
| 2 | 1 | MO | 456.20000000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.20000000 | | 20K0F3E |
| 2 | 1 | 451.20000000 | | 20K0F3E |
| 2 | 1 | 456.20000000 | | 20K0F3E |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1897197 | 2026-08-30 09:47:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKJ580 | ULS 1897197 | 2026-08-30 09:47:30 |
| Status | C | ULS 1897197 | 2026-08-30 09:47:30 |
| Service | IG | ULS 1897197 | 2026-08-30 09:47:30 |
| Grant Date | 2002-01-30 | ULS 1897197 | 2026-08-30 09:47:30 |
| Expiration Date | 2012-03-12 | ULS 1897197 | 2026-08-30 09:47:30 |
| Cancellation Date | 2002-05-08 | ULS 1897197 | 2026-08-30 09:47:30 |