Companies Hope Lasers Can Replace Radio for Space-to-Ground Comms

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For decades, satellites have been beaming data from Earth to space and back via radio waves. But with the growing number of spacecraft in orbit and the increasing quantities of data beaming back to Earth, radio spectrum is hitting its physical limits. For abo…

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Getting optical signals through the atmosphere could remain a challenge

Tereza Pultarova is a London-based journalist specializing in aerospace and defense technologies.

Transcelestial's optical ground stations can be built onto a building's rooftop, such as this one in Singapore.