see https://news.ycombinator.com/item?id=12441989 https://news.ycombinator.com/item?id=12441989 > The problem is that there are large blind spots when aircraft

see https://news.ycombinator.com/item?id=12441989 https://news.ycombinator.com/item?id=12441989 > The problem is that there are large blind spots when aircraft go over oceans due to the lack of receivers, so this is intended to increase coverage.