Universal Licensing System
WRLB2539
State of Montana, Aeronautics Division
License details
| ULS identifier | 1982674 |
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| Call sign | WRLB2539 |
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| Radio service | AR |
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| Status | C |
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| Grant date | 2003-01-13 |
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| Expiration | 2007-09-02 |
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| Cancellation | 2006-11-27 |
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| Frequency range | 0.41 MHz |
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| Locations | 1 |
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| Representative location | HAMILTON, RAVALLI, MT |
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| Coordinates | 46.2569444, |
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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 |
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| 1 | 1 | RLB | 0.41000000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 0.41000000 | | 2K04A2A |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | RAVALLI COUNTY AIRPORT, HAMILTON, RAVALLI, MT | 46.25694444, | 1109.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 19.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2006-11-28 | WRLB2539 | LICAN |
| 2005-10-06 | WRLB2539 | LIAUA |
| 2005-10-05 | WRLB2539 | ESUAPR |
| 2003-12-16 | WRLB2539 | LIAUA |
| 2003-01-13 | WRLB2539 | COR |
| 2003-01-13 | WRLB2539 | LIREN |
| 2002-06-10 | WRLB2539 | LETRES |
| 2001-04-27 | WRLB2539 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1982674 | 2026-08-02 02:08:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRLB2539 | ULS 1982674 | 2026-08-02 02:08:18 |
| Status | C | ULS 1982674 | 2026-08-02 02:08:18 |
| Service | AR | ULS 1982674 | 2026-08-02 02:08:18 |
| Grant Date | 2003-01-13 | ULS 1982674 | 2026-08-02 02:08:18 |
| Expiration Date | 2007-09-02 | ULS 1982674 | 2026-08-02 02:08:18 |
| Cancellation Date | 2006-11-27 | ULS 1982674 | 2026-08-02 02:08:18 |