Squid pole top spike
thingiverse
Radio amateurs use squid poles to hold up antennas for portable operation. The heavy duty squid poles (Haverford) have a spherical ball on the tip. This is difficult to attach an antenna to. This tip fits snugly over the spherical ball and provides a threaded spike that can be used to restrain the center of a dipole antenna. This is an updated version of the original. I found that the threaded spike on the end wasn't strong enough, so I have replaced it with an M6 x 25mm Nylon bolt and nut. How I Designed This Fusion 360 Instructions Print object and insert an M6 x 25mm Nylon bolt and nut.
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