MFJ 1025 Noise Canceling Filter, Eliminate interference and noise before it reaches your receiver! Eliminate all types of noise...lightning from distant electrical storms, severe power line noise from transformers and insulators. more Manufacturer: mfj Reference MFJ1025
MFJ 1025 Noise Canceling Filter, Eliminate interference and noise before it reaches your receiver! Eliminate all kinds of noise...lightning from distant thunderstorms, severe power line noise from transformers and arc insulators, lamp dimmers, contact controlled lamps, power drills, motors, industrial processes....Connects between the transmitting antenna? and the transceiver. To null, adjust the Amplitude and Phase controls for a minimum S-meter reading or lowest noise. To reach the maximum point, press the back button. use a built-in active antenna or an external one. It has a nearly constant amplitude phase control.