RE: Walking stick antenna.
I have no information about this antenna, but I have emailed the maker for more information. Looks interesting.

We will be demo'ing a j-pole antenna inside of PVC tube that would work in a similar way, although not robust enough for a walking stick. I will have an article about it and its use on the blog eventually.

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I will post any information I receive about the walking stick antenna.

Nomad
aka Ron, N1AHH.