Josaphat Laboratory develop Circularly Polarized Synthetic Aperture Radar (CP-SAR) by collaboratoring with Multimedia University (MMU), Malaysia (Prof Koo Group). This system is developed under ODA JICA JST Project to observe landslide of Malay Peninsula, Malaysia. We will install this CP-SAR system on unmanned aerial vehicle (UAV). We also develop CP-SAR system for Microsatellite with Indonesian Aerospace Agency (LAPAN).