Universal Licensing System
WSNK583
JEFFJACK INVESTMENTS LLC
License details
| ULS identifier | 5328440 |
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| Call sign | WSNK583 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2026-07-03 |
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| Expiration | 2036-07-03 |
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| Frequency range | 456.325 - 457.8 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8777500, -87.6429722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:04 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 456.32500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.91250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.20000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.45000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.80000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 456.32500000 | | 4K00F1W |
| 1 | 1 | 456.91250000 | | 4K00F1W |
| 1 | 1 | 457.20000000 | | 4K00F1W |
| 1 | 1 | 457.45000000 | | 4K00F1W |
| 1 | 1 | 457.80000000 | | 4K00F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CHICAGO, COOK, IL | 41.87775000, -87.64297222 | | | | |
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 | 601 W JACKSON BLVD, CHICAGO, IL | COOK | 3127759330 |
| 2 | 1100 PRAIRIE CIRCLE, PROSPECT HEIGHTS, IL | COOK | 3127759330 |
License history
| Date | File or call sign | Action |
|---|
| 2026-07-03 | WSNK583 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5328440 | 2026-08-02 01:24:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSNK583 | ULS 5328440 | 2026-08-02 01:24:04 |
| Status | A | ULS 5328440 | 2026-08-02 01:24:04 |
| Service | IG | ULS 5328440 | 2026-08-02 01:24:04 |
| Grant Date | 2026-07-03 | ULS 5328440 | 2026-08-02 01:24:04 |
| Expiration Date | 2036-07-03 | ULS 5328440 | 2026-08-02 01:24:04 |