Center frequencys became unreliable due to interference for 5 minutes.

Attributes
ACN	153207
Time
Date	199007
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : zid
State Reference	IN
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 9
ASRS Report	153207
Events
Anomaly	other anomaly other
Independent Detector	atc equipment other atc equipment : unspecified
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other
Situations
ATC Facility	other physical facility

Narrative:

All frequencys in area, including 124.8, 124.45, 134.7, 134.0,, 125.07, 128.77, 132.82, became unreliable due to interference on the line for approximately 5 mins. Cle 25 line also went OTS for over 1 hour.

Original NASA ASRS Text

Title: CENTER FREQS BECAME UNRELIABLE DUE TO INTERFERENCE FOR 5 MINUTES.

Narrative: ALL FREQS IN AREA, INCLUDING 124.8, 124.45, 134.7, 134.0,, 125.07, 128.77, 132.82, BECAME UNRELIABLE DUE TO INTERFERENCE ON THE LINE FOR APPROX 5 MINS. CLE 25 LINE ALSO WENT OTS FOR OVER 1 HR.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.