I had a section on what the network looks like around town, but not on how vital antenna placement is for getting good range. Added a whole new top level section!
Discussion
Bonus points if you explain the bill point to them :)
Null point, that is.
The topic of antenna position did come up in the class though. So I did get to talk about why you want to have your omnidirectional antennas point straight up. I also mentioned the beamform being narrower with the higher gain antennas.