This Falcon 9 rocket launch on 3 February carried 49 Starlink satellites, most of which were caught by the storm SpaceX has lost dozens of satellites after they were hit by a geomagnetic storm a ...

Quadrature phase shift keying (QPSK) and binary phase shift keying (BPSK) modulators are used to change the amplitude, frequency, and/or phase of a carrier signal in order to transmit information.