The company monitors radio frequency (RF) signals, like those emitted by marine radios or emergency beacons, on the premise that invisible electromagnetic spectrum is as ripe for information as the visible world. Unique to its constellation is that the spacecraft fly in clusters of three, an architecture that CEO John Serafini said allows the company to geolocate the RF signals. An additional seven clusters – 21 satellites – are financed and under development; the company aims to launch those to orbit by the middle of 2023. You have to be all-in.”The company works with a satellite manufacturer, Toronto-based UTIAS Space Flight Laboratory, to integrate the payload to the satellite. Looking to the future, the startup wants to use the new funding to double the size of the planned constellation, from 10 clusters to 20, which Serafini said would provide a revisit rate of around 12 minutes to nearly anywhere on Earth.