Universal Licensing System
WRDB450
Hartley Outdoor Nature Center
License details
| ULS identifier | 4135536 |
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| Call sign | WRDB450 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-03-19 |
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| Expiration | 2029-03-19 |
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| Frequency range | 462.5125 - 469.9125 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | St. Charles, SAGINAW, MI |
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| Coordinates | 43.3141667, -84.1653056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:38 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 462.51250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 464.88750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 469.88750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 469.91250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.51250000 | | 7K60FXE |
| 1 | 1 | 464.88750000 | | 7K60FXE |
| 1 | 1 | 469.88750000 | | 7K60FXE |
| 1 | 1 | 469.91250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | St. Charles, SAGINAW, MI | 43.31416667, -84.16530556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 12633 Beaver Road, St. Charles, MI | SAGINAW | 9898656295 |
License history
| Date | File or call sign | Action |
|---|
| 2019-03-19 | WRDB450 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4135536 | 2026-08-02 01:22:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB450 | ULS 4135536 | 2026-08-02 01:22:38 |
| Status | A | ULS 4135536 | 2026-08-02 01:22:38 |
| Service | IG | ULS 4135536 | 2026-08-02 01:22:38 |
| Grant Date | 2019-03-19 | ULS 4135536 | 2026-08-02 01:22:38 |
| Expiration Date | 2029-03-19 | ULS 4135536 | 2026-08-02 01:22:38 |