Effective Date: September 03, 2026
OBK — NORTHBROOK VOR/DME
NORTHBROOK, IL

OBK - BASIC NAVAID DATA

NORTHBROOK VOR/DME

NORTHBROOK, IL

Official Navaid Ident: OBK

Frequency: 113.00

GEOGRAPHICAL DATA

42-13-16.956N (42.22137652) / 087-57-06.013W (-87.95167038)

Elevation: 708.4

Variation: 02W (2000)

NAVAID CLASS CODE(S)/EXTENDED DATA

TACAN Channel: 77X

Radio Voice Call: NONE

Hours of Operation: 24

Associated ARTCC: CHICAGO

Voice: NO

Voice Ident: NO

Monitoring Category:

Internal monitoring plus a status indicator installed at control point.

(Reverts to a temporary category 3 status when the control point is not manned.)

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 ADMIN

Operator Name: F-FEDERAL AVIATION ADMIN

Common System Usage: Y

Public Use: Y

Controlling FSS: IKK - (KANKAKEE)

Controlling FSS Hours: 24

Notam Code: IKK

NAVAID REMARKS

DME UNUSBL 215-330 BYD 35 NM BLO 3000 FT.

VOR UNUSBL 265-272 BYD 40 NM; 273-283 BYD 40 NM BLW 18000; 284-288 BYD 40 NM.