Universal Licensing System
WPDD670
NorthWestern Corporation
License details
| ULS identifier | 1895390 |
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| Call sign | WPDD670 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-07-18 |
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| Expiration | 2013-09-14 |
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| Cancellation | 2013-11-16 |
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| Frequency range | 451.675 - 456.675 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | SUMMIT, ROBERTS, SD |
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| Coordinates | 45.3746944, -97.0392500 |
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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 |
|---|
| 2 | 1 | FB2C | 451.67500000 | | | 100.000000 | 272.000000 | |
| 3 | 1 | MO | 451.67500000 | | | 25.000000 | | |
| 1 | 1 | FX1 | 456.67500000 | | | 25.000000 | | |
| 3 | 1 | MO | 456.67500000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.67500000 | | 20K0F3E |
| 3 | 1 | 451.67500000 | | 20K0F3E |
| 1 | 1 | 456.67500000 | | 20K0F3E |
| 3 | 1 | 456.67500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SD | | | | | |
| 2 | T | 4.6 MI N 0.58 E HWY I29, SUMMIT, ROBERTS, SD | 45.37469444, -97.03925000 | 607.000 m | | 245.000 m structure / 245.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 91.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1040 21ST SW, HURON, SD | | 6053528411 |
License history
| Date | File or call sign | Action |
|---|
| 2013-11-16 | WPDD670 | LIEXP |
| 2013-06-24 | WPDD670 | LETRES |
| 2007-07-31 | WPDD670 | ESCAPR |
| 2006-05-08 | WPDD670 | LTSAPR |
| 2006-05-06 | WPDD670 | LIAUA |
| 2005-09-28 | WPDD670 | LTSAPR |
| 2005-09-28 | WPDD670 | LIAUA |
| 2005-04-07 | WPDD670 | LIASS |
| 2005-03-16 | WPDD670 | LTSAPR |
| 2003-11-08 | WPDD670 | LIAUA |
| 2003-10-03 | WPDD670 | LIAUA |
| 2003-10-02 | WPDD670 | LIAUA |
| 2003-09-14 | WPDD670 | LIASS |
| 2003-07-18 | WPDD670 | LIREN |
| 2003-06-23 | WPDD670 | LETRES |
| 2002-02-21 | WPDD670 | AUDOPR |
| 2001-10-23 | WPDD670 | LIAUA |
| 2001-10-16 | WPDD670 | LIAUA |
| 2000-11-24 | WPDD670 | LICCNV |
| 1998-07-06 | WPDD670 | AUTHPR |
| 1998-07-06 | WPDD670 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1895390 | 2026-08-02 01:25:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPDD670 | ULS 1895390 | 2026-08-02 01:25:53 |
| Status | E | ULS 1895390 | 2026-08-02 01:25:53 |
| Service | IG | ULS 1895390 | 2026-08-02 01:25:53 |
| Grant Date | 2003-07-18 | ULS 1895390 | 2026-08-02 01:25:53 |
| Expiration Date | 2013-09-14 | ULS 1895390 | 2026-08-02 01:25:53 |
| Cancellation Date | 2013-11-16 | ULS 1895390 | 2026-08-02 01:25:53 |