Universal Licensing System
WNYY455
Montana-Dakota Utilities Co.
License details
| ULS identifier | 1894643 |
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| Call sign | WNYY455 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-01-05 |
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| Expiration | 2032-04-01 |
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| Frequency range | 451.125 - 456.125 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | SHERIDAN, SHERIDAN, WY |
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| Coordinates | 44.7960833, -106.9406111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:37 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2C | 451.12500000 | | | 100.000000 | 500.000000 | |
| 6 | 1 | MO | 451.12500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | FX1 | 456.12500000 | | | 25.000000 | 181.000000 | |
| 4 | 1 | FX1 | 456.12500000 | | | 25.000000 | 222.000000 | |
| 6 | 1 | MO | 456.12500000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.12500000 | | 11K0F3E |
| 6 | 1 | 451.12500000 | | 11K0F3E |
| 3 | 1 | 456.12500000 | | 11K0F3E |
| 4 | 1 | 456.12500000 | | 11K0F3E |
| 6 | 1 | 456.12500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | LOTS 4 & 5 BLK 8 WOODS ADDITION, SHERIDAN, SHERIDAN, WY | 44.79608333, -106.94061111 | 1186.000 m | TOWER | 26.000 m structure / 29.000 m overall | N |
| 3 | T | 1 MI N, SHERIDAN, SHERIDAN, WY | 44.82691667, -106.94200000 | 1170.000 m | B | 6.000 m structure / 6.000 m overall | N |
| 4 | T | 2324 DRY RANCH RD, SHERIDAN, SHERIDAN, WY | 44.77275000, -106.93283333 | 1172.000 m | B | 9.000 m structure / 9.000 m overall | N |
| 6 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 29.000 m | | | | -11.000 | |
| 1 | 3 | T | | 6.000 m | | | | -21.900 | |
| 1 | 4 | T | | 8.000 m | | | | -68.200 | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2324 Dry Ranch Road, Sheridan, WY | SHERIDAN | 3076733122 |
License history
| Date | File or call sign | Action |
|---|
| 2022-01-05 | WNYY455 | LIREN |
| 2022-01-03 | WNYY455 | LETRES |
| 2019-04-09 | WNYY455 | LIAUA |
| 2012-01-14 | WNYY455 | LIREN |
| 2012-01-13 | WNYY455 | ESUAPR |
| 2012-01-09 | WNYY455 | LETRES |
| 2010-06-29 | WNYY455 | LIMOD |
| 2005-01-26 | WNYY455 | LIMOD |
| 2004-10-25 | WNYY455 | LIMOD |
| 2004-04-27 | WNYY455 | COR |
| 2004-04-27 | WNYY455 | LIMOD |
| 2002-01-29 | WNYY455 | AUDOPR |
| 2002-01-24 | WNYY455 | LIREN |
| 2002-01-07 | WNYY455 | LETRES |
| 2001-05-10 | WNYY455 | LIAUA |
| 2000-11-24 | WNYY455 | LICCNV |
| 1997-01-22 | WNYY455 | LIREN |
| 1997-01-22 | WNYY455 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1894643 | 2026-08-02 01:13:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNYY455 | ULS 1894643 | 2026-08-02 01:13:37 |
| Status | A | ULS 1894643 | 2026-08-02 01:13:37 |
| Service | IG | ULS 1894643 | 2026-08-02 01:13:37 |
| Grant Date | 2022-01-05 | ULS 1894643 | 2026-08-02 01:13:37 |
| Expiration Date | 2032-04-01 | ULS 1894643 | 2026-08-02 01:13:37 |