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what is average net current? is there a peak net current?
On May 12, 7:17 am, Cecil Moore wrote: Yuri Blanarovich wrote: Which brings me back to my question: How important is the Q and low resistance of the coil and stinger? As the loading coil is moved from base-loading to top-loading, the average net current through the coil decreases (assuming no top hat loading). The importance of coil Q is related to how much net average current is flowing through the coil. For instance, the net average current through a hamstick coil is enough to burn your hand even after the power has been shut off. I've always had it in the back of my mind to install a 16'x6' piece of hardware cloth at 12.5 ft above ground above my GMC pickup, supported by fiberglass poles. I would mount the loading coil about a foot below the top hat. I'll bet that would win any 75m mobile antenna shootout. -- 73, Cecil http://www.w5dxp.com |
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