Weather/coil performance

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Original poster: "Jared Dwarshuis" <jdwarshuis@xxxxxxxxx>

Hi: Jay

Temperature, humidity and barometric pressure will have little 
effect, must be something else. Perhaps your ground connection needs 
attention. Are you using a breakout point?

I assume that you are using an NST...........
Get to know the sound that your spark gap makes when it is working 
well. When the spark gap starts sounding like a sick bumblbee then 
you are not quenching properly and gap adjustment will be needed. It 
is also possible to have a gap that is not quenching because of bad 
primary tuning, then of course gap adjustment will not cure the problem.

My guess is that you have found the right primary tap point; that 
your gap needs adjustment. Beware, large gap settings place heavy 
loads on NST, and they are rather fragile.

Sincerely: Jared Dwarshuis