1. https://spacenews.com/spacex-submits-paperwork-for-30000-more-starlink-satellites/.
2. http://satellitemarkets.com/news-analysis/next-wave-low-earth-orbit-constellations.
3. https://www.cnbc.com/2021/11/01/amazons-project-kuiper-launching-first-internet-satellites-in-q4-2022.html.
4. https://circleid.com/posts/20201002-a-new-chinese-broadband-satellite-constellation.
5. https://www.fcc.gov/document/fcc-authorizes-boeings-broadband-satellite-constellation.