It seems that there is a brouhaha building between the cell phone industry and the commercial flight industry. Evidently, the roll-out of 5G technology might affect flight-safety technology.
(AP) - AT&T will postpone new wireless service near some airports planned for this week after the nation’s largest airlines said the service would interfere with aircraft technology and cause massive flight disruptions.
From what I understand, the 5G towers use a frequency band that is close to the band used by radar altimeters. The airlines are worried that spurious signals from the 5G towers could play havoc with their altimeters, which are used for landing and terrain avoidance.
Slamming a plane into the ground is a major flight disruption, no doubt about it.
I'm no aviator, but seems like it might be a problem.
UPDATE** Blancolario explains the issues.