Universal Licensing System
WPNM261
NorthWestern Corporation
License details
| ULS identifier | 1045636 |
|---|
| Call sign | WPNM261 |
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| Radio service | MG |
|---|
| Status | A |
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| Grant date | 2018-03-22 |
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| Expiration | 2028-04-06 |
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| Frequency range | 956.28125 MHz |
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| Locations | 1 |
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| Representative location | MAMMOTH, PARK, MT |
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| Coordinates | 44.9640833, -110.8643611 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 956.28125000 | | | | | |
| 1 | 3 | MO | 956.28125000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 956.28125000 | | 11K0A2D |
| 1 | 3 | 956.28125000 | | 8K85A1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | VARIOUS LOCATIONS, MAMMOTH, PARK, MT | 44.96408333, -110.86436111 | | | 6.100 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | MAXRAD (B)MAX9105(S) | | V | 7.0000 | 360.0000 | | |
| 2 | 1 | R | ITRON ERT | | | 7.0000 | | | |
| 3 | 1 | T | CENTURION EXE-902-SM | | V | 2.1000 | 360.0000 | | |
| 4 | 1 | R | ITRON ERT | | | 2.1000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-01-01 | WPNM261 | LITRAN |
| 2020-10-30 | WPNM261 | LIAUA |
| 2018-03-22 | WPNM261 | LIREN |
| 2018-01-08 | WPNM261 | LETRES |
| 2016-05-16 | WPNM261 | LTSAPR |
| 2016-05-14 | WPNM261 | LIAUA |
| 2009-01-30 | WPNM261 | LIMOD |
| 2008-12-12 | WPNM261 | LTSAPR |
| 2008-01-31 | WPNM261 | LIREN |
| 2008-01-14 | WPNM261 | LETRES |
| 2007-07-31 | WPNM261 | ESCAPR |
| 2006-05-08 | WPNM261 | LTSAPR |
| 2006-05-06 | WPNM261 | LIAUA |
| 2005-09-28 | WPNM261 | LTSAPR |
| 2005-09-28 | WPNM261 | LIAUA |
| 2005-04-07 | WPNM261 | LIASS |
| 2005-03-16 | WPNM261 | LTSAPR |
| 2003-09-14 | WPNM261 | LIASS |
| 2003-08-01 | WPNM261 | LETCNS |
| 2002-11-15 | WPNM261 | LIASS |
| 2002-04-28 | WPNM261 | LIAUA |
| 2002-04-18 | WPNM261 | LIAUA |
| 2002-03-22 | WPNM261 | LIMOD |
| 2002-02-15 | WPNM261 | LITRAN |
| 1999-08-14 | WPNM261 | LICCNV |
| 1998-04-06 | WPNM261 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1045636 | 2026-08-02 02:43:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNM261 | ULS 1045636 | 2026-08-02 02:43:27 |
| Status | A | ULS 1045636 | 2026-08-02 02:43:27 |
| Service | MG | ULS 1045636 | 2026-08-02 02:43:27 |
| Grant Date | 2018-03-22 | ULS 1045636 | 2026-08-02 02:43:27 |
| Expiration Date | 2028-04-06 | ULS 1045636 | 2026-08-02 02:43:27 |