...aim of the ACS3 mission is to replace conventional rocket propellants by developing and testing solar sails using sunlight beams to thrust the nanosatellite. These solar sail propulsion systems are designed for future small interplanetary spacecrafts...
... be needed in order to complete the same type of observation. Even radio observatories will not go unaffected as satellite constellations beam internet connectivity to the remote corners of Earth via radio frequencies that are very close to those set...
... with a pilot test in June 2013, when 30 balloons were launched from New Zealand’s South Island and beamed the internet to a small group of pilot testers And it worked: the cost of launching the Falcon 9 rocket by the...
.... In the first study, a collaboration formed by NOVELTIS, ENEA and OHB, these concepts were4: WiRM, a wind pencil-beam scatterometer for wind resource assessment and offshore operations; GEM, a greenhouse gas (GHG) mission based on a SWIR...
... positions and additionally radiate with different polarisation. Frequencies can be used even more effectively by using multi-beam antennas. For example, a Ka-Sat satellite builds up to 82 rays and one frequency can be reused up to 20 times. With...
... the advanced geomobile L-band payload, allowing unprecedented flexible allocation of capacity through digital channellisation and beam-forming. It is a major step in payload operational capability. The Alphasat Digital Integrated Processor providing...