Kuiper antenna
An illustration of the Ka-band antenna Amazon has developed for use with its Project Kuiper broadband constellation.

Amazon has tested what it describes as a low-cost flat-panel antenna for use with its Project Kuiper constellation, an innovation that could be essential to the long-term success of satellite broadband.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...