Raven Aerostar and Persistent Systems network constellation of stratospheric balloons in comms demo

NEW YORK, Jan. 28, 2021 /PRNewswire/ -- Persistent Systems, LLC ("Persistent"), a leader in mobile ad hoc networking solutions, together with lighter-than-air platform provider Raven Aerostar (a division of Raven Industries, Inc.; NASDAQ: RAVN), today announced that the companies have...