METROHOKI A wide range of slot cars and repair parts, track sections, controllers and accessories were also available. It is equipped with twenty-five C-band transponders and it is positioned at the orbital slot of 130° East. It was successfully launched onboard a CZ-3B/G3 launch vehicle on 9 March 2019 and it has since been positioned at the orbital slot of 130° East. Because of the problems encountered with ChinaSat 6B the construction of ChinaSat 6C (ZX 6C) was taken over by CAST with the satellite being based on the same bus of ChinaSat 6A. The satellite provides commercial communications services with twenty-five C-band transponders and supports high-quality and reliable uplink and downlink transmissions of programs for the radio and TV stations and cable TV networks. The next two satellites have been built using the upgraded DHF-4E bus and served as replacements for other satellites of the same family. NASA has also developed a nitrogen-gas propelled unit that fits on the backpack, called the Simplified Aid for Extravehicular Activity Rescue (SAFER).|Slot Hub: Launching {Your own|Your individual|Your personal} {Affiliate program|Associates program}