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FORT SILL, OK POST NDB FORT SILL, OK Official Navaid Ident: PFL Frequency: 425 GEOGRAPHICAL DATA 34-36-31.867N (124591.867N) / 098-24-13.591W (354253.591W) Elevation: Variation: 08E (1980) NAVAID CLASS CODE(S)/EXTENDED DATA Class: MHW Radio Voice Call: NONE Hours of Operation: 24 Associated ARTCC: FORT WORTH 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: 07/31/2008 Responsible FAA Region: ASW Country: U.S.A. Owner Name: US ARMY Operator Name: US ARMY Common System Usage: Y Public Use: Y Controlling FSS: MLC - (MC ALESTER) Controlling FSS Hours: 24 Notam Code: MLC |