Universal Licensing System
WRYG898
Duncan Aviation Inc
License details
| ULS identifier | 4800897 |
|---|
| Call sign | WRYG898 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-08-08 |
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| Expiration | 2033-08-08 |
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| Frequency range | 452.1375 - 457.6375 MHz (7 frequencies) |
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| Locations | 3 |
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| Representative location | Portage, KALAMAZOO, MI |
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| Coordinates | 42.2360833, -85.5594444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:34 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 452.13750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 452.37500000 | | | 30.000000 | 48.000000 | |
| 2 | 1 | MO | 452.37500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.63750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 456.61250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.13750000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 457.37500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.63750000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 452.13750000 | | 7K60FXE |
| 1 | 1 | 452.37500000 | | 7K60FXE |
| 2 | 1 | 452.37500000 | | 7K60FXE |
| 3 | 1 | 452.63750000 | | 7K60FXE |
| 3 | 1 | 456.61250000 | | 7K60FXE |
| 3 | 1 | 457.13750000 | | 7K60FXE |
| 2 | 1 | 457.37500000 | | 7K60FXE |
| 3 | 1 | 457.63750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5605 Portage Rd, Portage, KALAMAZOO, MI | 42.23608333, -85.55944444 | 266.000 m | BPIPE | 7.500 m structure / 9.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | Portage, KALAMAZOO, MI | 42.23608333, -85.55944444 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | 8.800 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5605 Portage Rd, Portage, MI | KALAMAZOO | 2693432548 |
License history
| Date | File or call sign | Action |
|---|
| 2023-08-08 | WRYG898 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4800897 | 2026-08-02 01:08:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRYG898 | ULS 4800897 | 2026-08-02 01:08:34 |
| Status | A | ULS 4800897 | 2026-08-02 01:08:34 |
| Service | IG | ULS 4800897 | 2026-08-02 01:08:34 |
| Grant Date | 2023-08-08 | ULS 4800897 | 2026-08-02 01:08:34 |
| Expiration Date | 2033-08-08 | ULS 4800897 | 2026-08-02 01:08:34 |