Reported sporadic interference on different frequencys from various sources.

Attributes
ACN	345092
Time
Date	199608
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : bdl
State Reference	CT
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	Marginal
Light	Daylight
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller radar : 9
ASRS Report	345092
Events
Anomaly	other anomaly other
Independent Detector	other controllera other flight crewa
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Air Traffic Incident	other
Situations
ATC Facility	other physical facility

Narrative:

Intermittent frequency interference on 127.8, which is main transmitter and receiver for edr. Aircraft report washington approach and pwm ATIS on frequency. Today's interference was such that we had to use backup frequency 125.65. Other frequencys continue to have sporadic problems with interference, especially west departure 125.35. Many blind spots exist on UHF frequency. Callback conversation with reporter revealed the following information: reporter alleged they still have the problem with the interference but that it is being worked on. Reporter said that after maintenance works on the problem, the interference clears up but returns after 4 or 5 days.

Original NASA ASRS Text

Title: RPTED SPORADIC INTERFERENCE ON DIFFERENT FREQS FROM VARIOUS SOURCES.

Narrative: INTERMITTENT FREQ INTERFERENCE ON 127.8, WHICH IS MAIN XMITTER AND RECEIVER FOR EDR. ACFT RPT WASHINGTON APCH AND PWM ATIS ON FREQ. TODAY'S INTERFERENCE WAS SUCH THAT WE HAD TO USE BACKUP FREQ 125.65. OTHER FREQS CONTINUE TO HAVE SPORADIC PROBS WITH INTERFERENCE, ESPECIALLY W DEP 125.35. MANY BLIND SPOTS EXIST ON UHF FREQ. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR ALLEGED THEY STILL HAVE THE PROB WITH THE INTERFERENCE BUT THAT IT IS BEING WORKED ON. RPTR SAID THAT AFTER MAINT WORKS ON THE PROB, THE INTERFERENCE CLRS UP BUT RETURNS AFTER 4 OR 5 DAYS.

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.