All posts by Steven J Martin
Citizen Geodesist
A GPS on Bench Marks odyssey Philip Melcher of Provost & Pritchard Consulting Group in Visalia, California, has submitted GPS on Bench Marks observations on an incredible 650 Bench Marks all up and down California in the last three years. We will ask Philip a few questions to find out how he has accomplished this,...
More on the Datum Epoch
Editor’s note: Our April feature “Datum Epochs, and How to Understand Them” by Richard Maher, generated a lot of interest, and readers asking for more on geodesy fundamentals. One letter to the editor provided more detail on keys points. In the interests of providing multiple perspectives, we present the following from Steven J. Martin as...
