The Swiss produced some of the best surveying instruments ever made in terms of accuracy, repeatability, portability and stability. They were so good that they decimated the US surveying instrument manufacturers (The US had several at the time) and there was a hefty import tax on the Swiss instruments. Look up the companies Wild Heerbrugg and Kern. They only got partially displaced when electronic systems came available. Those two companies later merged into Leica (also a Swiss brand) which was initially known for high quality large aperture lenses (ie: f1.2 50mm).
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Your knowledge of surveying instruments is somewhat impressive uco…
The GPS survey system I use is Leica, which is considered the most accurate GPS survey system out there. User interface, well…
