Hi Pete, Please send me the recording of your noise. Please us AM wide mode and no filters. I will be back to my office Monday the 23rd. Best wishes, Michael C Martin RFI Services 6469 Old Solomons Island Rd Tracy's Landing MD 20779 301-855-5961 Home/Office 410-741-5153 Fax www.rfiservices.com mike at rfiservices.com