Category Archives: Surveying

Members of the Geodetic Engineering Department.

Teaching Roots and Research at the University of the Philippines

One of Southeast Asia’s oldest surveying schools is promoting the use of geospatial technologies and thriving in the digital age. When Louie Balicanta walks inside the high-ceilinged corridors of Malcolm Hall on his way to teach land surveying, he knows how much responsibility rests on his shoulders. Not only is he an assistant professor at...

Adam Zweig

The Many Facets (and Faces) of Surveying

Surveyors have traditionally done a variety of essential and interesting work—and they continue to do so. We’ve asked surveyors from various work disciplines what inspires them. To get an idea of where we are going, it’s important to stop and take a look at where we have been. This rings especially true for those of...

Site velocities with respect to NAD 83(2011) epoch 2010.00. Credit: National Oceanic and Atmospheric Administration (NOAA).

Datum Epochs, And How to Understand Them

Understanding datum epochs for accurate measurements and locations in dynamic tectonic areas. What are datum epochs? Let’s start at the beginning. “Epoch” is a scientific term used to denote a specific moment or period in time. Land surveying and geodesy use a numerical “epoch” in decimal years to state the moment at which a given...

Social Distancing – It’s What We Do

As I contemplated the topic for this article, my thoughts could never completely detach from the world we now find ourselves. Despite my desire to write something unrelated, hopefully with some humor, I couldn’t seem to get there. I would venture to say that there is nobody who reads Field Notes who has not been...

xyHt April 202 cover banner

Another Curveball: Coronavirus and Geospatial

Out of the blue, we’re facing another curveball. The current global concern (COVID-19, aka the Coronavirus) was generally not anticipated, and the situation changes daily. It was hoped that, by the time this is published, the situation would have calmed dramatically—but sadly it has taken a turn for the worse. Thus far disruptions have only...