> can someone outside of NASA send requests to Voyager to change its code? Unless you've got your own very-very high power transmitters and large dishes, you'r

> can someone outside of NASA send requests to Voyager to change its code? Unless you've got your own very-very high power transmitters and large dishes, you're not communicating with either Voyager satellite "Newer" science & research satellites from the late 2000s onward do support a variety of encryption in transit and authentication from the ground stations