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You wouldnt be thinkin it might be 20 meters now would Ya Doc
he he he....
I have been looking at these on their web site, and looking back on moles comments
how this is constructed and conclude they are no more than a coil of wire sprayed
with a clear sealer. Is it that simple ? heck no, but then kinda sorta, maybe..
They call them Iso-Res Coils, Not Traps.
I was wondering about the extra length of wire past the coil ? and if playing with that
length would be worth some consideration, since the inductance to capacitance (L/C) ratio would seem to be high. I believe that wire is to help disapate the high voltages, and if so that would mean some added length but on the ends it would be a easy experiment..
With my short time and limited experience with wires, I have formed an opinion that
the second harmonic on these multiband wires seem to be the sweet spot.
Now I could be wrong about that and most probley I am wrong, However with that said It looks as if mole is gaining some ground here.
The best part so far is that no one has high jacked his thread and thats good, also its
very smart of them 
Regards,
John___KD5WJY