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I poured a concrete slab and marked out true N using the solar noon. I then marked a line 90 degrees to this to give E -W directions. It is a simple job to place the tripod and level using a good survey quality digital level which I also use to set the lattitude on the wedge. Sigma octanes is almost always in the FOV of my 26mm EP and its a simple task to align and setup from there. The supplied level and alt scale that come with the wedge leave a bit to be desired.
Mark
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