- June 2020
- May 2020
- Quasi-zenith satellite Michibiki's positioning library CLASLIB (Part 3 VRS-RTK positioning by ssr2obs)
- Confirmation of SBAS signal over Hiroshima
- Quasi-zenith satellite Michibiki's positioning library CLASLIB (Part 2 ssr2osr)
- Quasi-zenith satellite Michibiki's positioning library CLASLIB (Part 1 Understanding the configuration)
- April 2020
- March 2020
- Parametric speaker experiment
- Four DC/DC converter experiments
- AC power control by solid state relay
- Microcomputers I use
- Observation of optical spectrum using microspectrometer C12880MA and Analog Discovery 2
- Battery charging with BQ25890, a Texas Instruments' IC
- Remaining capacity estimation of Lithium-ion battery using Maxim MAX17201