Alexander E. Smith

Correlation of flight track data with other data sources

Multilateration auto-calibration and position error correction

Method and apparatus for improving utility of automatic dependent surveillance

Method and apparatus for accurate aircraft and vehicle tracking

Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surveillance

Method and apparatus for correlating flight identification data with secondary surveillance

Use of geo-stationary satellites to augment wide_area multilateration synchronization

Method and apparatus for correlating flight identification data with secondary surveillance radar data

Method and apparatus to correlate aircraft flight tracks and events with relevant airport operations information

Airport pavement management system