A technical point does need to be raised though: A vertical datum can not rely on "the geoid" as its surface of zero elevation unless you define what ...

davidgstoll, post: 324182, member: 6999 wrote: Melita,And the online NGS "converters" are unfathomable.DaveDave, I'm sorry to hear you find our tools...

Shawn, Thanks for the feedback. This new tool is just a taste of things to come. There is a lot of work going on behind the scenes at NGS to improv...

I couldn't help notice the attention our paper has received on this board. I'm not usually on here, and only happened to stumble upon this thread (an...

A complete description of what instruments were used and how the survey was performed can be found in the formal report for the survey, located here:F...