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Cecil,
Earlier you made comments about the time delay through a 75 meter loading inductor being somewhere around 60 nS or so. You have consistently disagreed with me when I said time delay through an inductor with tight mutual coupling from turn-to-turn is somewhat close to light speed over the physical length of the inductor, rather than the time it takes current to wind its way around through the copper. You didn't like my measurement of a small 100uH choke, and said a large inductor like a bug catcher coil is different. You predicted standing waves in that inductor. I have a 100 turn 2 inch diameter air wound inductor of pretty good quality. It is 10 inches long. Please tell all of us the time delay you expect in that inductor on 3.8 MHz. Please tell all of us what that delay means for your various changing theories about waves standing in that coil. I'll sweep the inductor from below the BC band up to 30MHz in a time measurement mode and post the printout of the sweep with scale values and markers that show time delays. 73 Tom |
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