The cFS targets didn't get built during installation. I had closed the terminal window used during instalaltion before attempting to run the cFS so I couldn't see what went wrong. FIgured I'd open a ticket until I get a chance to try again.

You'll know the cFS image wasn't built because the "Start cFS" terminal window will immediately close. The cFS can be built by navigating to ~/OpenSatKit-master/cfs and entering

make prep
make install