1. Ince F, Nano and micro satellites as the pillar of the “new space”
paradigm, J. Aeronaut. Space Technol. 13, 235-250 (2020).
2. Umbra lab (2021) [Internet], viewed 2021 Aug 21, available from:
https://umbra.space/products/radio-frequency-sensing
3. ICEYE (2021) [Internet], viewed 2021 Aug 21, available from:
https://www.iceye.com/sar-data/satellite-capabilities
4. i-QPS (2021) [Internet], viewed 2021 Aug 21, available from:
https://i-qps.net/
5. Rusch W, Wanselow R, Boresight-gain loss and gore-related sidelobes
of an umbrella reflector, IEEE Trans. Antennas Propag. 30, 153-157 (1982).
10.1109/TAP.1982.1142748