New Josaphat Laboratory UAV JX-2 Posted on February 21, 2014February 22, 2014 by Josaphat Tetuko Sri Sumantyo New Josaphat Laboratory UAV JX-2 was finished to develop for our microwave sensors (CP-SAR, GPS Reflectometry etc) experiments in the near future. Main wing span is 6 m and payload about 25 kg. (21 February 2014)