GCO - BASIC NAVAID DATA

CHICAGO DME

CHICAGO, IL

Official Navaid Ident: GCO

Frequency: 108.25

GEOGRAPHICAL DATA

41-59-38.720N (41.99408888) / 087-54-08.380W (-87.90232777)

Elevation: 646.0

NAVAID CLASS CODE(S)/EXTENDED DATA

TACAN Channel: 19Y

Radio Voice Call: NONE

Hours of Operation: 24

Associated ARTCC: CHICAGO

Voice: NO

Voice Ident: NO

Pitch Point: N

Catch Point: N

ADMINISTRATIVE INFORMATION

Effective Date: 9/3/2026

Responsible FAA Region: AGL

Country: UNITED STATES

Owner Name: F-FEDERAL AVIATION ADMINISTRATION

Operator Name: F-FEDERAL AVIATION ADMINISTRATION

Common System Usage: Y

Public Use: Y

Controlling FSS: IKK - (KANKAKEE)

Controlling FSS Hours: 24

Notam Code: ORD

NAVAID REMARKS

DME UNUSBL 185T-194T BYD 10 NM BLW 4000 FT; 264T-288T BYD 30 NM; 351T-354T BYD 20 NM BLW 4000 FT.