SANSA receives CBERS Data-04A Matjiesfontein CNES Ground Station at Hartebeesthoek Optical Space Research laboratory The South African Ionosonde Network Digital SuperDARN Radar at Antarctica SBAS-Africa to improve regional GPS systems DemoGRAPE collaboration to improve satellite navigation Polar space weather studies Impact of space weather on aviation Join the Open Innovation Challenge SQUID magnetometer network records tiny geomagnetic changes European Incoherent Scatter (EISCAT) facility