I really appreciate the modern total station because it takes care of so many things I used to worry about … like the two-axis compensation system that corrects leveling errors. But sometimes I wonder: Is there a downside to all these wonderful inventions?
Q: I usually use a 360o prism with my robotic total station. I was told by a surveyor to use a non-360o prism for precise applications. I did this on a critical building layout, but when I measured the diagonals, I discovered errors. ...
We constantly hear about the speed of technological innovation in today’s society. But changes in GPS satellite technology come slowly. Unlike the auto industry, it’s not necessary to come out with a different model each year.
I don’t normally write about National Geodetic Survey (NGS) software programs,
I’m making an exception in this column.
OPUS-RS (Online Positioning User Service-Rapid Static) is an operational
program available to GPS surveyors at
The inspiration for writing on this topic came from an old friend. Charles R.
Schwarz was an office mate of mine when we were graduate students at The Ohio State
It’s been nearly 26 years since the former Soviet Union launched the first Glonass spacecraft on Oct. 2, 1982. Since that time, there have been regular launches with as many as three satellites put into orbit simultaneously. The constellation is in three orbital planes inclined 64.8° to the equator.
On Feb. 15, 2008, an Associated Press article appeared in major newspapers across the country announcing that the Pentagon was going to fire a Navy missile to destroy a broken U.S. spy satellite before it re-entered the atmosphere.1