[TowerTalk] Static Drain Resistor in Arrestor

RVZ rlvz at aol.com
Tue Dec 16 12:07:34 EST 2025


I love the idea of a "Static Drain Resistor" in an arrestor if it actually reduces "static" QRN on receive.  I've installed about a dozen ICE/Morgan arrestors on Verticals and Yagi's here in Florida during the past 25 years, where we receive a great deal of "static", but when doing unscientific A/B tests when listening by ear, I haven't noticed the ICE/Morgan arrestor to be quieter than a Polyphasor.  I realize that's a poor way to judge performance, so I've always wondered if anyone actually measured and confirmed that the "static drain resistor" in the ICE/Morgan was effective at reducing QRN.  Would anyone know of test results confirming the effectiveness of a static drain resistor in an arrestor?     73, Dick- K9OM     
The ICE, now Morgan arrestors work superb. They use a static drain resistor, then a DC blocking cap, then the shunt inductor, then the GDT.


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