An agreement to limit 5G power levels near airports expires July 1st, which should mean better 5G service from Verizon and AT&T near airports starting that day. The agreement — between those wireless carriers, the aviation industry, and the FCC — addressed concerns that full-power 5G in the new C Band could interfere with the radio altimeters of some older planes. Although the frequencies to not overlap, they are close, and some radio altimeters had inadequate filters to prevent interference from nearby frequencies. The agreed-upon delay by wireless carriers gave airlines time to upgrade the problematic radio altimeters. Most planes have now received the upgrade, but Delta still 190 planes that need it, and JetBlue has 17. Until they can receive the upgrade, those planes may be restricted from landing at certain airports when visibility is low.
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