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MFJ Instruction Manuals: MFJ-249, MFJ-704, MFJ-949D, MFJ-989C, MFJ-1700B by MFJ Enterprises: Very Good Paperback 1st edition. | booksforcomfort
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Radio Frequency Interference ! Al Penney VO1NO. RFI and EMI Radio Frequency Interference (RFI) – Interference to a receiver caused by actual signals, - ppt download