The IGS 4A satellite, also known as JSE reda-2 gouki, was launched on February 24, 2007, from Tanegashima Space Center using a H-IIA 2024 launch vehicle. It is owned by CSICE and manufactured by MELCO. The spacecraft is primarily used for reconnaissance purposes with radar capabilities as part of the IGS Radar-2 payload. Its dimensions include a length of 3 meters, a diameter of 4 meters, and a span of 16.5 meters. With a launch mass of 1500 kg and a dry mass of 1000 kg, its shape consists of a box with two panels. The satellite's exact power supply and equipment details are not specified.