Nice hat

The DX'p that is going to H44WA is going to work the low bands.  I offered to help them out and make some cap-hat inserts to go on top of their vertical masts.

I made a initial version that wasn't quite the right design.  Originally, the design slipped over the top of the mast, but after the feedback from the expedition leaders, they were re-made so the 'hat' would slip inside the mast.   

These are roughly 6-7" long and the slender stem is machined to 0.430" so to slip inside the 0.436" ID of the mast.

Tapped with #10-32 for four even spaced cap-radials and one more for the driven element.

Easy to make.  If you need one, just let me know.