Static Positioning

 Case Study: Epoch-by-Epoch™ Monitoring of the New Zealand National GPS Network

Geodetics' RTD software with Epoch-by-Epoch™ positioning was used to analyze the New Zealand National GPS Network with a spatial extent of ~1500 km. The network spans the North and South Islands, with a maximum site separation of 500km.

The following are the analysis results:

  1. Single epoch precision is comparable to networks of smaller extent (1-2 cm in the horizontal, 5-10 cm in the vertical).
  2. The scatter of the hourly medians is well below 1 cm in the horizontal components and 1-2 cm in the vertical.
  3. The Epoch-by-Epoch™ troposphere estimates are very clean.
  4. The number of outliers (>3 Sigma( is very small for the entire data set (about .1%).

 

 
© Copyright 2001-2007, Geodetics, Inc. All rights reserved.