The FCC retroactively revokes device approvals from DJI clone brands, including Skyrover and Xtra. Barring a change of heart, their products will go on the Covered List within a month. Editors' Note 7/28: This story was updated with a comment from Xtra. Content creators and drone enthusiasts who thought that DJI had figured out how to sidestep its position on the FCC Covered List will have to think again. The FCC has …