Universal Licensing System
WRKH581
Aryzta Cold Storage
License details
| ULS identifier | 4370804 |
|---|
| Call sign | WRKH581 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-01-05 |
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| Expiration | 2031-01-05 |
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| Frequency range | 452.1375 - 467.2625 MHz (7 frequencies) |
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| Locations | 3 |
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| Representative location | Romeoville, WILL, IL |
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| Coordinates | 41.6123611, -88.1098611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:02 |
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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 | |
| 3 | 1 | MO | 457.13750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 461.76250000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 461.76250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 462.26250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 466.60000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 466.76250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 467.26250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 452.13750000 | | 7K60FXE |
| 3 | 1 | 452.13750000 | | 11K2F3E |
| 3 | 1 | 457.13750000 | | 11K2F3E |
| 3 | 1 | 457.13750000 | | 7K60FXE |
| 1 | 1 | 461.76250000 | | 11K2F3E |
| 1 | 1 | 461.76250000 | | 7K60FXE |
| 2 | 1 | 461.76250000 | | 7K60FXE |
| 2 | 1 | 461.76250000 | | 11K2F3E |
| 3 | 1 | 462.26250000 | | 11K2F3E |
| 3 | 1 | 462.26250000 | | 7K60FXE |
| 3 | 1 | 466.60000000 | | 11K2F3E |
| 3 | 1 | 466.60000000 | | 7K60FXE |
| 2 | 1 | 466.76250000 | | 7K60FXE |
| 2 | 1 | 466.76250000 | | 11K2F3E |
| 3 | 1 | 467.26250000 | | 11K2F3E |
| 3 | 1 | 467.26250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1020 W Airport Road, Romeoville, WILL, IL | 41.61236111, -88.10986111 | 198.000 m | B | 9.100 m structure / 9.100 m overall | |
| 2 | T | | | | | | |
| 3 | T | Romeoville, WILL, IL | 41.61236111, -88.10986111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.100 m | | | | 10.600 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1020 W Airport Road, Romeoville, IL | WILL | 8158362739 |
License history
| Date | File or call sign | Action |
|---|
| 2021-10-05 | WRKH581 | LETCNS |
| 2021-01-05 | WRKH581 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4370804 | 2026-08-02 01:22:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKH581 | ULS 4370804 | 2026-08-02 01:22:02 |
| Status | A | ULS 4370804 | 2026-08-02 01:22:02 |
| Service | IG | ULS 4370804 | 2026-08-02 01:22:02 |
| Grant Date | 2021-01-05 | ULS 4370804 | 2026-08-02 01:22:02 |
| Expiration Date | 2031-01-05 | ULS 4370804 | 2026-08-02 01:22:02 |