Home » Interference and Filtering » 20 » c Installing a low-pass filter between the transmitter and transmission line will:   a.   permit higher frequency signals to pass to the antenna   b.   ensure an SWR not exceeding 2:1   c.   reduce the power output back to the legal maximum   d.   permit lower frequency signals to pass to the antenna Your answer "c" is not correct. "d" is the right answer. Next