Humidity would most likely attenuate the beam from 20% end to end to less than 1% - water vapour absorbs energy like nobody’s business. This is a tech for arid

Humidity would most likely attenuate the beam from 20% end to end to less than 1% - water vapour absorbs energy like nobody’s business. This is a tech for arid environments - which seem to be where the US does most of its deployments these days.