It works. By Michael Shreve, KK4UGD
I took a 10 hour drive last month and listened to my FT-817 most of the way on 20 meters, making for a 20 hour round trip of great CW and horrific alternator hum. I was driving a pick-up truck and running off a separate battery, not the 12 volt auxillary for the vehicle. My LF-1-PP arrived today: I plugged it into the power supply and the alternator noise vanished completely. Stop saying to yourself, "It's not so bad..." For $30 you can make the buzzing stop for good.
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