Tool tips for optical plummet tribrach errors, part 2: in the previous column (September 2007), we began a discussion of errors inherent in optical plummet tribrachs. We conclude that discussion with this column.(giaamailbag)
Mar 01, 2008; Q. What types of errors can I have with optical plummet tribrachs, and how can I mitigate them? A. We've already discussed...