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ZOB controller voiced concern regarding a long standing frequency interference problem; the anomaly reportedly only occurs in the 1700Z to 1800Z time frame.
| Attributes | |
| ACN | 864769 |
| Time | |
| Date | 200912 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZOB.ARTCC |
| State Reference | OH |
| Aircraft 1 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Enroute |
| Qualification | Air Traffic Control Fully Certified |
| Events | |
| Anomaly | ATC Issue All Types |
Narrative:
There has been a 'frequency problem' for 17+ years. The pilots are hearing a loud hum on 120.45. Center does not hear any hum. From 1700z through 1800z you can here numerous aircraft complain about what sounds like a stuck mic.
Original NASA ASRS Text
Title: ZOB Controller voiced concern regarding a long standing frequency interference problem; the anomaly reportedly only occurs in the 1700Z to 1800Z time frame.
Narrative: There has been a 'frequency problem' for 17+ years. The pilots are hearing a loud hum on 120.45. Center does not hear any hum. From 1700z through 1800z you can here numerous aircraft complain about what sounds like a stuck mic.
Data retrieved from NASA's ASRS site as of April 2012 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.