Universal Licensing System
WOI9
Montana Aeronautics
License details
| ULS identifier | 1980424 |
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| Call sign | WOI9 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2019-09-25 |
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| Expiration | 2029-09-28 |
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| Frequency range | 122.8 MHz |
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| Locations | 1 |
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| Representative location | ROUNDUP, MUSSELSHELL, MT |
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| Coordinates | 46.4749722, -108.5465278 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FAA | 122.80000000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 122.80000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ROUNDUP AIRPORT, ROUNDUP, MUSSELSHELL, MT | 46.47497222, -108.54652778 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-11-15 | WOI9 | LIAUA |
| 2022-10-18 | WOI9 | LIAUA |
| 2020-07-21 | WOI9 | LIAUA |
| 2019-09-25 | WOI9 | LIREN |
| 2019-08-14 | WOI9 | LIAUA |
| 2019-07-08 | WOI9 | LETRES |
| 2015-05-28 | WOI9 | LIAUA |
| 2015-05-27 | WOI9 | ESUAPR |
| 2009-09-09 | WOI9 | LIREN |
| 2009-07-30 | WOI9 | ESURNW |
| 2009-07-06 | WOI9 | LETRES |
| 2005-10-06 | WOI9 | LIAUA |
| 2005-10-05 | WOI9 | ESUAPR |
| 2004-08-24 | WOI9 | LIREN |
| 2004-07-05 | WOI9 | LETRES |
| 2004-06-30 | WOI9 | ESURNW |
| 2003-12-16 | WOI9 | LIAUA |
| 2001-04-27 | WOI9 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1980424 | 2026-08-02 02:08:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WOI9 | ULS 1980424 | 2026-08-02 02:08:18 |
| Status | A | ULS 1980424 | 2026-08-02 02:08:18 |
| Service | AF | ULS 1980424 | 2026-08-02 02:08:18 |
| Grant Date | 2019-09-25 | ULS 1980424 | 2026-08-02 02:08:18 |
| Expiration Date | 2029-09-28 | ULS 1980424 | 2026-08-02 02:08:18 |