I would say really deceptive, or perhaps just plain wrong. The circles are, in fact, intended to convey coverage and left me pretty confused about the huge gaps

I would say really deceptive, or perhaps just plain wrong. The circles are, in fact, intended to convey coverage and left me pretty confused about the huge gaps everywhere. From the about section: > Dashed lines show the approximate coverage with very conservative viewing slant (approx 60 degrees above horizon, where 90 means vertically overhead).