FCC Callsign: WSNK583 (JEFFJACK INVESTMENTS LLC)

Licensee: JEFFJACK INVESTMENTS LLC
Callsign: WSNK583
FRN: 0038608659
Status: Active (Effective: 07/03/2026 - Expires: 07/03/2036)
County: COOK
State: IL
Radio Service: IG: Industrial/Business Pool, Conventional
Notes: COORDINATION OF SECURITY, HOUSEKEEPING, ENGINEERING & SUPPORT PERSONNEL PERTAINING TO BUILDING OPERATIONS.

Locations

# TWR ID Type Antenna
Height
Structure
Height
Elevation Address
1 0.0 0.0 0.0

Frequencies

Loc Frequency Emission Class Units ERP Lat Lon City County State
1 456.32500000 4K00F1W MO 30 4.000 41.87775 -87.64297 CHICAGO COOK IL
1 456.91250000 4K00F1W MO 30 4.000 41.87775 -87.64297 CHICAGO COOK IL
1 457.20000000 4K00F1W MO 30 4.000 41.87775 -87.64297 CHICAGO COOK IL
1 457.45000000 4K00F1W MO 30 4.000 41.87775 -87.64297 CHICAGO COOK IL
1 457.80000000 4K00F1W MO 30 4.000 41.87775 -87.64297 CHICAGO COOK IL
FCC Data Last Updated On: 2026-07-16 03:17:49 CT