Nearly all such satellites would have highly directional antennas, so the aliens would have to be neat earth before they could do that. Voyager is not expecting a command signal from anywhere else but Earth. The signal would have to originate not more than a fraction of a degree from Earth from Voyager’s perspective.
Nearly all such satellites would have highly directional antennas, so the aliens would have to be neat earth before they could do that. Voyager is not expecting a command signal from anywhere else but Earth. The signal would have to originate not more than a fraction of a degree from Earth from Voyager’s perspective.
So they just need to go behind it?