EDIT: Solved. My bad. I missed a couple bits of information in the original post. So, I decided to set up an unmanned relay network without using manned ships, whether temporarily or not. It actually went well at first; I set up a geostationary network that covers the system (except behind the Mun and Minmus, of course), so I decided to send up a Munar satellite. I found that, despite having a clear view of Geosats 1 & 3 (directly above Mission Control), it did not find a path until much later. Other than that (which is only really a minor annoyance - I could use manned ships temporarily), I think it's a great plugin. I plan on having most of my manned missions use ZOxygen (to be more realistic), so unmanned missions can sometimes be preferable. EDIT: I actually realized that the orbit of the vessel was clockwise, rather than the normal counterclockwise. I now have a vessel with a counterclockwise orbit, and it seems to be better (Though even when approaching the mun, it decided to route through the previous munar satellite instead of going directly from one of the geostationary satellites - which I would think would take a longer time).