Universal Licensing System
WDU4
Eagle River Union Airport
License details
| ULS identifier | 2493526 |
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| Call sign | WDU4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2018-01-17 |
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| Expiration | 2028-03-10 |
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| Frequency range | 118.325 MHz |
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| Locations | 1 |
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| Representative location | Eagle River, VILAS, WI |
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| Coordinates | 45.9308333, -89.2669444 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:16 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FAB | 118.32500000 | | | 2.500000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 118.32500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | Eagle River Airport, Eagle River, VILAS, WI | 45.93083333, -89.26694444 | 488.600 m | MAST | 11.300 m structure / 11.300 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 3.000 m | V | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1311 Airport Road, Eagle River, WI | VILAS | 7154797442 |
License history
| Date | File or call sign | Action |
|---|
| 2018-01-17 | WDU4 | LIREN |
| 2018-01-17 | WDU4 | COR |
| 2017-12-18 | WDU4 | LETRES |
| 2008-04-11 | WDU4 | LIREN |
| 2007-12-17 | WDU4 | LETRES |
| 2003-03-10 | WDU4 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2493526 | 2026-08-02 02:08:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WDU4 | ULS 2493526 | 2026-08-02 02:08:16 |
| Status | A | ULS 2493526 | 2026-08-02 02:08:16 |
| Service | AF | ULS 2493526 | 2026-08-02 02:08:16 |
| Grant Date | 2018-01-17 | ULS 2493526 | 2026-08-02 02:08:16 |
| Expiration Date | 2028-03-10 | ULS 2493526 | 2026-08-02 02:08:16 |