A cellular outage early on Thursday hit thousands of AT&T users in the United States, disrupting calls, text messages and emergency services in major cities.
Cellular outage in U.S. hits AT&T, T Mobile and Verizon users, Downdetector shows::undefined
Yup. We hit an R3 in space weather conditions over the past 24 hours which means radio comms were impacted.
Space Weather
Thats enough to mess with low VHF but not enough to disrupt ground to ground UHF.