Define "North"

I'm not exactly sure what category to place this discussion. I need some help defining a term. Let's define "North". Here are some terms I hear thrown about: "True North", "Geodetic North", "Due North". What do these terms really mean? I want to be s

Starting and Running a Successful Business

   I am a young surveyor with a mere 5 years experience. Having read several posts and forum entries, I believe there is an untapped wealth of knowledge, wisdom, and things learned the hard way here on Land Surveyors United. I am very passionate abou

Trimble Robotic Total Station Compensation Routine

Hello, I'm new to these forums, but I thought I would ask a question. I have been working with a Trimble Robotic Total Station (5000 series) purchased in 2007. After performing a topographic survey of a concrete structure, I have noticed that when I

DTM files with Carlson

I am wondering if anyone has much experience with Digital Terrain Models. Is DTM a file format? Does Carlson support those files? Can I create a DTM with Carlson?

I am interested in creating a set of plan contours for a proposed landfill and would lov