A radar system that includes a gimbal and a platform secured to a frame through the gimbal is disclosed. The radar system includes an antenna rotatably supported by the platform for rotation about an axis and configured to scan a hemispherical field of view above the platform. A controller that controls the rotation of the antenna and a gyroscopic stabilizer that is secured to the platform to maintain the platform in a stable and level position during operation of the radar system and rotation of the antenna is also disclosed. A vehicle is also disclosed for traversing a geographic region with the radar system. The antenna may transmit in the X band. A telescoping mast having a first end secured to the platform and having a second end secured to the gimbal is also disclosed.