https://www.widdisonphotography.com/
Widdison Photography
Widdison Photography - Utah based corporate event, product, lifestyle, and family photographer. Shooting commercially since 2006.
photography
https://scholarsarchive.byu.edu/etd/10177/
"Passive Positioning Using Linear Multilateration" by Eric R. Widdison
Passive localization of aircraft in flight using signal time of arrival (TOA) poses some unique challenges. The sensors must be deployed in an approximately...
by ericpassivepositioningusinglinear