Postcard from the Summit – Testing Andrew and Issac running tests with TSIM at the Keck 2 Secondary, photo by Randy Campbell Related Posts Testing TBAD with UAVSAR Transponder Based Aircraft Detection Postcard from the Summit - Installing TBAD Share this:TweetWhatsAppEmail Author: Andrew An electrical engineer, amateur astronomer, and diver, living and working on the island of HawaiĘ»i. View all posts by Andrew