9 of the pictured radars arranged in a 3x3 grid so the area is fully visible. For covering large areas with a regular grid.
The panels and accumulators are enough to keep it running through the night.
by Unknown Author · updated 12/30/2017 · 29

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
9 of the pictured radars arranged in a 3x3 grid so the area is fully visible. For covering large areas with a regular grid.
The panels and accumulators are enough to keep it running through the night.