Whilst every effort has been made to ensure the accuracy of the models, their
accuracy is not guaranteed.

Finding a reputable paper to source these models from took a while. There was
lots of bad copy-paste out there. A good paper:

http://www.cl.cam.ac.uk/research/dtg/lce-pub/public/vsa23/VTC05_Empirical.pdf

Plane earth loss model taken from "Antennas and Propagation for Wireless systems" by Simon Saunders
