The High Gain Antenna System (HGAS) onboard the GPM Core Observatory finished acoustics and post-environmental deployment testing at NASA Goddard Space Flight Center. The HGAS will then undergo Thermal Vacuum testing before it is completed and delivered in mid-September.

The below video shows a test of the High Gain Antenna System as it will deploy once in orbit aboard the GPM Core Observatory.

Learn more about the HGAS and the GPM Core Observatory