Slide 1 Stable levelling and locking methods applicable for borehole very broad band seismic sensors including tilt meters presented at SUPERSITES COORDINATION WORKSHOP Monday…
Slide 1 Lecture-19 1 Lecture #19- Seismometers Slide 2 Lecture-19 2 Seismic Instrumentation F Devising systems that can accurately measure and record ground motions is a…
Slide 1 Performance of the LIGO Pre-stabilized Laser System Rick Savage LIGO Hanford Observatory Ninth Marcel Grossmann Meeting on General Relativity Rome 2000 Slide 2 LIGO-G000154-00-W…
Currents Currents Driven by forces of wind, tides, and gravity, currents keep the ocean in constant motion. 7 Major Currents West Wind Drift (AKA=Antarctic Circumpolar Current…
The Earth is not a sphere: The horizontal component of geodesy Dr. Dru Smith Chief Geodesist, National Geodetic Survey National Science Teacherâs Association St. Louis,…
C-Nav GcGPS System Background and Accuracy GPS Services Group C&C Technologies, Inc., www.cctechnol.com/cnav  Overview What is C-Nav Empirical accuracy measurements…
Wiesław Kosek 1,2, Agnieszka Wnęk 1, Maria Zbylut 1, Waldemar Popiński 3 1) Environmental Engineering and Land Surveying Department, University of Agriculture in Krakow,…