The best method I know to check and adjust a pole bubble is to use a doorway. Make a mark on the lintel. Transfer this mark to the floorplate with ...

@murphy Living in southern New Zealand I have some personal experience in this matter. We tried what you are suggesting, and it does not work in the...

@williwaw New Zealand gets around this by having wooden boundary pegs and iron reference marks. If using a nail it has to be clearly labelled if it is...

@surveylife Dont look at New Zealand or Australia. Average survey tech wages downunder are less than 6 figures, with median house prices around 750k a...

@dave-o Your workflow is sound. A single point calibration plus at least one check is a good way to get your numbers to match published numbers, parti...

@dave-o you should be able to move the base point and then recompute - if your topo observations are held as offsets to the base (that's the usual) th...

@lurker 404 - Your link is broken. Tryinstead Looks like Google is getting ever worse - it served me up v1.3 of the docs Can anyone confirm if it ...

Had a quick look at the Swmaps documentation. I can find no references to spheroids, geoids, projections or coordinate systems It would appear to ...

tree fell on it?

I would start by running a good static survey over those three marks you do have Then compare your numbers with the 'official' That should tell y...

Mostly, but not 100% correct. Consider a projection with a scale factor other than 1

@mathteacher Typical <expletive deleted> AI answer - nearly, but not quite right Designed for conventional instrument work, by default Acces...

@meh We Kiwis like having at least 2000km between us and the Australians...

Doesn't help when you are willfully blind and deliberately use an over-simplified earth model from the get-go - Google we're looking at you...

In Access, you can do a setup backsight to anything you want and can see. You get asked for an observed point name. The point does not have to ex...

That was my immediate response too.