Hartmut Päsler, DL1YDD, and Freddy de Guchteneire, ON6UG provide much information about the soon to be launched P3-Express communication satellite as well as the P5A amateur radio mission to Mars
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
