Check your network design with BestNetwork. This App takes your network as input and calculates the a priori estimated error of your network configuration (pre-analysis).
Free version https://play.google.com/store/apps/details?id=bestnetworklite.com.blogspot.geomtours
Begin here with Quick Start Guide https://geomtours.blogspot.com.au/p/bestnetwork.html
*** designed for *** - Surveyors - Total Station user
Features: - Definition of points on a map - Definition of Total Station observations (distance, direction or both) - Points and observations - Find map location with GPS or address - Calculate Least Squares Analysis
Results: - Error ellipses - Reliability - Export result to KML file
Settings: - Definition of Standard deviation of known points - Definition of Total Station accuracy (distance and direction)
Keywords: Surveying, Geomatics, Total Station, Measurements, Conventional surveying, Least Squares Analysis, Pre-analysis, A priori errors, Error ellipses, Reliability, Data Snooping Standard ellipses, standard deviation, Simulation, Survey network, Observations