Sector A Solved

What are these sectors? some kind of event im missing? out of the loop

• A: https://www.warframe.com/burieddebts/sector/n1ewxi8ith
  • Solved: __ this post __
• B: https://www.warframe.com/burieddebts/sector/l64geyv48k
  • Solved: https://www.reddit.com/r/Warframe/comments/ayir2t/sector_b_completed/
• C: https://www.warframe.com/burieddebts/sector/fdi4osumve
  • Solved: https://www.reddit.com/r/Warframe/comments/ayj7dc/sector_c_solved/
• D: https://www.warframe.com/burieddebts/sector/iwpwusfzfy
  • Solved: https://www.reddit.com/r/Warframe/comments/ayipmd/sector_d_completed/

Someone combine all of the sectors!!

i hate these... do i have to solve them to get something? im seriously really bad at them

I dunno if ya'll have done it yet, but basically there is a Data Hash at each of the markers. Though, I suspect you all know this by now.

gratz you found the final piece to the puzzle my dude now give it 30 seconds and someone will pust all 4 together to show what these weird hexagonal lines mean