Ashok Wadwani is founder president of Applied Field Data Systems Inc, a firm specializing in supplying complete mapping systems and services for GIS and related applications. He has over 40 years of experience in instrumentation and over the past 30 years has been extensively involved in designing and recommending GPS/GIS Mapping systems, sensors and services. He has published several articles and conducted many workshops related to GPS mapping technologies and field data collection in the USA and several other countries.