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Jim Kelley wrote:
Tom Donaly wrote: Where's the experimental evidence, Cecil? Ever heard of Ben Franklin? :-) 73, ac6xg Every winter here in New England we run numerous experiments, every time I walk across the living room and touch a metal door knob. The US military has an ESD specification of 25 KV @ 5 KOhms from a healthy capacitor as a simulator. Electro static discharge on antennas has been around for years. It is real! Dry Climate and Wind are all that's needed. Now, is the Physics at the air molecule level [Oxygen, Nitrogen, etc.], ionized Oxygen or Nitrogen atoms, charged dust particle level [that just begs the issue ... how did the dust get charged?], Van De Graff level, etc.? Who knows? But, the antenna ESD is a very REAL effect. You can hypothesize the cause all day. To solve the problem at the system level, I added an ESD bleed into my antenna switches. I'm going to filter this thread to the circular file. |
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