More than 50 % of all CubeSats launched to space failed or didn’t respond.
Over 20 % of all CubeSats have underestimated link and power budgets.
MOSFET-based electronics is the typical cause of a mission loss.
Average Radiation Exposure inside ISS is 150 mSv or 15 rad(Si) / year.
Li-Ion Battery Cells capacity at 0°C and less drops down to 1%?
Terrestrial ADS-B range is close to 360 km. Why? Earth is Round!
By LHCP x RHCP mismatch you lose more than 20dB of signal. Use LINEAR in Space, CIRCULAR on Ground!