"No, I'm think of the stuff in orbit above... line of sight." Ah, that's another problem, big programming job and fast cut off switches on the laser. Have to cut the laser off for less than a ms to avoid burning up useful satellites in higher orbits. Part of the design specification. Keith On Tue, Oct 22, 2013 at 7:21 AM, John Stoffel <john@xxxxxxxxxxx> wrote: > > Keith> On Mon, Oct 21, 2013 at 2:02 PM, John Stoffel <john@xxxxxxxxxxx> wrote: >>> > Keith> snip >>> >>> Laser sounds neat, but I always wonder what happens when it loses lock >>> and illuminates something else by accident... > > Keith> That's why the acceleration path is over water. > > No, I'm think of the stuff in orbit above... line of sight. > >