RussellMc wrote:

> Summary:  Creative ideas wanted  for cheap, quick, robustish [choose any =
3]
>  in ground mounts for "very tall fenceposts".

For 2-3 m and temporary installation, it might be easiest to hook up 3
(steel?) ropes to the top and fix them with (smallish) anchors in the
ground. Nothing to dig, pour, ... just hammer in the anchors.

Gerhard
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