Xona, which aims to build a commercial alternative to GPS by launching a low-Earth orbit satellite constellation, raised a $170M Series C (Sandra Erwin/SpaceNews)

Sandra Erwin / SpaceNews: Xona, which aims to build a commercial alternative to GPS by launching a low-Earth orbit satellite constellation, raised a $170M Series C — The company is scaling up production as it looks to build a 258-satellite network to provide positioning, navigation and timing services