Universal Licensing System
KRO450
MONTANA, STATE OF
License details
| ULS identifier | 1256892 |
|---|
| Call sign | KRO450 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2023-10-21 |
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| Expiration | 2034-01-17 |
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| Frequency range | 39.82 - 452.15 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | BUTTE, SILVER BOW, MT |
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| Coordinates | 46.0179722, -112.4278056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:15 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 2 | FB | 39.82000000 | | | 110.000000 | 217.000000 | |
| 3 | 2 | FB | 39.92000000 | | | 110.000000 | 217.000000 | |
| 1 | 1 | FB2 | 154.92000000 | | | 100.000000 | 135.000000 | |
| 2 | 1 | FX1 | 452.15000000 | | | 40.000000 | 56.000000 | |
| 3 | 1 | FX1 | 452.15000000 | | | 40.000000 | 56.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 2 | 39.82000000 | | 20K0F3E |
| 3 | 2 | 39.92000000 | | 20K0F3E |
| 1 | 1 | 154.92000000 | | 11K2F3E |
| 2 | 1 | 452.15000000 | | 11K2F3E |
| 3 | 1 | 452.15000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CONTINENTAL DIVIDE XL HEIGHTS, BUTTE, SILVER BOW, MT | 46.01797222, -112.42780556 | 2591.000 m | | | N |
| 2 | T | SUNSET MTN 60 MI N W, HELENA, LEWIS AND CLARK, MT | 46.93966667, -112.70561111 | 1993.000 m | | | N |
| 3 | T | BELT BUTTE 30 MI E, GREAT FALLS, CASCADE, MT | 47.38108333, -110.88577778 | 1433.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 23.000 m | | | | | |
| 1 | 2 | T | | 6.000 m | | | | | |
| 1 | 3 | T | | 6.000 m | | | | | |
| 2 | 3 | T | | 9.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1900 Williams Street, HELENA, MT | LEWIS AND CLARK | 4068417000 |
License history
| Date | File or call sign | Action |
|---|
| 2023-10-21 | KRO450 | LIREN |
| 2013-10-29 | KRO450 | LIRMD |
| 2013-10-29 | KRO450 | LTSAPR |
| 2013-10-29 | KRO450 | LIREN |
| 2013-10-28 | KRO450 | EFCAPR |
| 2013-10-28 | KRO450 | ESCAPR |
| 2013-10-21 | KRO450 | LETRES |
| 2012-08-14 | KRO450 | LTSAPR |
| 2012-08-13 | KRO450 | EFCAPR |
| 2012-05-25 | KRO450 | LIMOD |
| 2012-05-24 | KRO450 | ESCAPR |
| 2003-10-23 | KRO450 | LIREN |
| 2003-10-20 | KRO450 | LETRES |
| 2002-01-15 | KRO450 | AUDOPR |
| 2000-10-20 | KRO450 | LICCNV |
| 1998-10-30 | KRO450 | LIREN |
| 1998-10-30 | KRO450 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1256892 | 2026-08-02 01:09:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KRO450 | ULS 1256892 | 2026-08-02 01:09:15 |
| Status | A | ULS 1256892 | 2026-08-02 01:09:15 |
| Service | PW | ULS 1256892 | 2026-08-02 01:09:15 |
| Grant Date | 2023-10-21 | ULS 1256892 | 2026-08-02 01:09:15 |
| Expiration Date | 2034-01-17 | ULS 1256892 | 2026-08-02 01:09:15 |