Yes, David. I'm just mentioning that the plumb bob must be set up with factors in mind, and not to judge any movement as death sentence. A plumb bob attached at 20' in leaning 5" dbh tree is different than in a 20" dbh tree.
If only embedded into bark, and not wood, you can get a false...
I'm going to have my phone in the tree. I can sight down with an app clinometer, if on pretty flat ground. Won't rely on/ ask a groundie say if a spar looks short enough, as a second opinion. Just pull out my phone.
I need to measure tree heights, not just if a tree will fit in a lay. For this root disease permit exemption something or other, I will need to figure whether each tree's height x 150% is more or less than the distance to the school.
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