External aircraft furniture
A simple question and this would seem the ideal place to get an answer.
Bearing in mind the ever increasing number of antennae for VHF/VOR/satphone/wifi/etc on the outside of airliners, why are they primarily situated on the top side of the fuselage and not under ? The only negatives I can think of for situating them below is the danger of ground damage due to FOD etc, but perhaps there are aerodynamic considerations as well. Any answers appreciated.