"CASA Project" Jerry Brotzge, Center for Analysis and Prediction of Storms The Center for Collaborative Adaptive Sensing of the Atmosphere (CASA) is a ten-year Engineering Research Center established by the National Science Foundation for the development of small, inexpensive, low-power radars designed to improve scanning of the lowest levels (< 3km AGL) of the atmosphere. Instead of sensing autonomously, CASA radars are designed to operate as a network, collectively adapting to the changing needs of end-users and the environment; this network approach to scanning is known as Distributed, Collaborative, Adaptive Sensing (DCAS). A series of end-to-end testbeds are being operated to test and demonstrate these concepts. The first of these testbeds, collectively known as Integrative Project One (IP1), was deployed in southwestern Oklahoma in 2006 and consists of four low-power, X-band radars. This presentation will expand upon previous CASA presentations, focusing on three specific areas: i) Brief CASA overview; ii) Results from 2007 and plans for 2008; and iii) Discussion of the end-to-end system concept.