Hi Reid,
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Yes, neat idea extending the mid band loops. Can't you just use those shredded stainless steel scouring pads? (not steel wool) to remove the outside anodizing? I find they work great on aluminum and leave a smooth surface.
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The tubing from DX Engineering is the weaker 6063-T5, instead of the stronger 6061-T6 probably on the Scala. I get my 6061-T6 aluminum from Online Metals. Just mark the cut end with black magic marker -4 lines at 90 degrees, place? the tubing in a vise, and cut the 4 slots in about 1 inch with a hacksaw. I like 4 slots rather than 2 slot lines so the slots are thinner for the same amount of ID reduction and the slots do not have to be as long as with 2. I did get the vinyl cap with the hole drilled for the wire from DX Engineering. Permaseal Ultra Blue was used for waterproofing.(no acetic acid and really adheres to aluminum and a good dielectric).
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The extended N was from Dave's Hobby Shop (used) Be sure to use stranded wire. We used silver plated Teflon.?
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John
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