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[OC] Survey Mark (aussie.zone)

submitted 3 months ago by DirigibleProtein@aussie.zone to c/pics@lemmy.world

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[–] NerfHerder@lemm.ee 3 points 3 months ago (3 children)

Luckily you didn't need to leave this 60+ feet in the air

[–] DirigibleProtein@aussie.zone 4 points 3 months ago (2 children)

What does that mean? I saw it on a concrete pole and I thought it looked interesting.

[–] NerfHerder@lemm.ee 2 points 3 months ago (1 children)

Its used by a topcon or similar device. The device is used to map out 3D space using these points as Z, Y, Z distance markers from the device.

[–] DirigibleProtein@aussie.zone 2 points 3 months ago

I thought with the target thing it was some kind of survey mark. Thank you for the explanation!