The FCC filed a couple Notices of Apparent Liability for Forfeiture totaling almost $1,500,000 against SkySwitch for underpayment of mandatory telecom fees for the period of 2018-2021.

FCC filings here:
https://docs.fcc.gov/public/attachments/FCC-22-69A1.pdf
https://docs.fcc.gov/public/attachments/FCC-23-43A1.pdf