Effective Date: September 03, 2026
GR — KNOBS NDB
GRAND RAPIDS, MI

GR - BASIC NAVAID DATA

KNOBS NDB

GRAND RAPIDS, MI

Official Navaid Ident: GR

Frequency: 263.00

GEOGRAPHICAL DATA

42-53-44.311N (42.89564205) / 085-22-43.115W (-85.37864311)

Elevation: 797.0

Variation: 06W (2020)

NAVAID CLASS CODE(S)/EXTENDED DATA

Class: LOMW

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: LAN - (LANSING)

Controlling FSS Hours: 24

Notam Code: GRR