On April 30, the return capsule of the Shenzhou 19 manned spacecraft successfully landed at the Dongfeng landing site, and the 3 astronauts returned safely. The reporter learned that the 518 Institute of the Fifth Academy of China Aerospace Science and Technology Corporation, located in the Tianjin High-tech Zone, undertook the development of two types of antenna products, Shenzhou 19 and Shenzhou 20. Among them, a relay antenna includes 4 antennas, a receiving antenna and a transmitting antenna. It is located on the outer wall of the propulsion module. It is mainly used to achieve communication functions between manned spacecraft, relay satellites, and the ground. It can achieve a wide angle range of flat top beams, and is widely used in measurement, control and communication systems of various satellite platforms. Another type of antenna is an orbital module antenna. It is used in global satellite positioning systems, and can receive and transmit signals in a certain band of spacecraft.

On April 30, the return capsule of the Shenzhou 19 manned spacecraft successfully landed at the Dongfeng landing site, and the 3 astronauts returned safely. The reporter learned that the 518 Institute of the Fifth Academy of China Aerospace Science and Technology Corporation, located in the Tianjin High-tech Zone, undertook the development of two types of antenna products, Shenzhou 19 and Shenzhou 20. Among them, a relay antenna includes 4 antennas, a receiving antenna and a transmitting antenna. It is located on the outer wall of the propulsion module. It is mainly used to achieve communication functions between manned spacecraft, relay satellites, and the ground. It can achieve a wide angle range of flat top beams, and is widely used in measurement, control and communication systems of various satellite platforms. Another type of antenna is an orbital module antenna. It is used in global satellite positioning systems, and can receive and transmit signals in a certain band of spacecraft.