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4

I think it's all about distance. Let's make the reasonable assumptions that: (1) LICIAcube uses also X-band to beam data back to Earth; (2) the available transmit power is the same as that on MarCO; and (3) the receive antenna on Earth is the same. MarCO has to close the link-budget at ~300 millions Km from Earth, while LICIAcube needs to do so at only 11 ...


3

Quite a few. Indeed the first ever use of lasercom space-to-ground was in 1994. This was achieved by Japan’s 1-Mb/s laser link to ground from the ETS-VI satellite in GEO. Here are some state-sponsored missions, achieved as well as planned. Source: Development Current Status and Trend Analysis of Satellite Laser Communication State/ organization Terminal ...


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