Here's a couple of pic's of my pier setup. My ground is pretty hard so basically just a large fence post sized hole filled with a strong concrete mix. The pier is bolted to the concrete using concrete screws, stronger than dyna bolts but easily removed. I have a second concrete base further up the garden that gives me a good low western view for comet chasing. It is quick and easy to unbolt the pier and relocate it to the other base.
I do put a big load on it and have not had any issues apart from filling the tube with fine sand, the hollow tube would resonate when the dog barked.
Rick
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