Looks interesting. I would say it is inevitable that the future of surveying is a single device on a pole and nothing else (no ts etc.) that can go anywhere on the planet and get survey grade accuracy indoors and outdoors. There's more to being a surveyor than collecting the data so not worried here.
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?ÿ I wonder if this unit might have been able to be used by hitting a couple of control points at the trailhead and then using the pole as a walking stick and just pausing occasionally
Maybe, if by "occasionally" you mean every 5 or 6 seconds.
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I can see it being useful for searching for property corners.
The "stopping every 5 or 6 seconds" thing seems like a productivity-killer to me.
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It likely drifts after any more time to be accurate (relative to the last shot).?ÿ ?ÿIf it could be made about 50 times more accurate after about an hour in its reference frame, then we would be talking.