Universal Licensing System
WRDU409
CONCORD ACADEMY
License details
| ULS identifier | 4181864 |
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| Call sign | WRDU409 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-23 |
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| Expiration | 2029-07-23 |
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| Frequency range | 462.925 MHz |
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| Locations | 1 |
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| Representative location | PETOSKEY, EMMET, MI |
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| Coordinates | 45.3613333, -84.9178889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:03 |
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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 | FB | 462.92500000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 462.92500000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 2468 ATKINS ROAD, PETOSKEY, EMMET, MI | 45.36133333, -84.91788889 | 246.000 m | B | 5.000 m structure / 5.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 2.000 m | | | | 13.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 2468 ATKINS ROAD, PETOSKEY, MI | EMMET | 2314396800 |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-23 | WRDU409 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4181864 | 2026-08-02 01:23:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDU409 | ULS 4181864 | 2026-08-02 01:23:03 |
| Status | A | ULS 4181864 | 2026-08-02 01:23:03 |
| Service | IG | ULS 4181864 | 2026-08-02 01:23:03 |
| Grant Date | 2019-07-23 | ULS 4181864 | 2026-08-02 01:23:03 |
| Expiration Date | 2029-07-23 | ULS 4181864 | 2026-08-02 01:23:03 |