Advanced topographic laser altimeter system (ATLAS) receiver telescope assembly (RTA) and transmitter alignment and test. - John Hagopian; Matthew Bolcar; John Chambers; Allen Crane; Bente Eegholm; Tyler Evans; Samuel Hetherington; Eric Mentzell; Patrick L. Thompson; Luis Ramos-Izquierdo; David Vaughnn (Earth Observing Systems, 2016)