Investigation of the performances of the microwave plasma source ‘Aura-wave’ by Impedans Langmuir Probe System Post date March 30, 2023 ← Using Impedans Semion RFEA System to measure the effect of gas pressure on Ion Energy in a very-high frequency (VHF) magnetron sputtering discharge. → In-Orbit Demonstration of Novel Thruster, characterized by Impedans Semion Retarding Field Energy Analyzer