I don’t know if your dish is SD or not, but the last SD satellite was scheduled to go dark soon, they didn’t have the exact date, but the last I heard, it was about now.
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here’s some discussion on Direct TV forums.
https://forums.directv.com/conversations/community-lounge/why-is-directv-taking-away-my-channels/62490de1a7e2d409585cec94#