Universal Licensing System
WRDK885
Northern Jet Services
License details
| ULS identifier | 4162866 |
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| Call sign | WRDK885 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-05-22 |
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| Expiration | 2029-05-22 |
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| Frequency range | 451.2375 - 456.6875 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Grand Rapids, KENT, MI |
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| Coordinates | 42.8946944, -85.5320833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:51 |
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Licensee
| Name | Northern Jet Services |
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| Applicant type | C |
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| FRN | 0028409340 |
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| Location | Grand Rapids, MI |
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| Address | 5500 44th St. SE Suite 203, Grand Rapids, MI, 49512 |
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| Phone | 6168367926 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.23750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.68750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.23750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.36250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.68750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.23750000 | | 7K60FXE |
| 1 | 1 | 451.68750000 | | 7K60FXE |
| 1 | 1 | 456.23750000 | | 7K60FXE |
| 1 | 1 | 456.36250000 | | 7K60FXE |
| 1 | 1 | 456.68750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Grand Rapids, KENT, MI | 42.89469444, -85.53208333 | | | | |
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 |
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| 1 | 5500 44th Street SE Suite 203, Grand Rapids, MI | KENT | 6168367926 |
License history
| Date | File or call sign | Action |
|---|
| 2019-05-22 | WRDK885 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4162866 | 2026-08-02 01:22:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDK885 | ULS 4162866 | 2026-08-02 01:22:51 |
| Status | A | ULS 4162866 | 2026-08-02 01:22:51 |
| Service | IG | ULS 4162866 | 2026-08-02 01:22:51 |
| Grant Date | 2019-05-22 | ULS 4162866 | 2026-08-02 01:22:51 |
| Expiration Date | 2029-05-22 | ULS 4162866 | 2026-08-02 01:22:51 |