Abstract: This paper presents a tutorial on the Tracking, Telemetry, and Command (TT&C) for spacecraft and satellite missions. In particular, it provides a thorough summary of the design of the TT&C, ...

Abstract: We report a 224Gb/s per lane PAM4 DR4-Tx optical sub-system photonic integrated circuit and linear driver chip set and achieved OER 6.3 dB and 1.88 dB TDECQ. The PIC consists of 4-channels ...

Windows 11 KB5072033 is December 2025’s Patch Tuesday, and it’s also the last update of the year. Our tests show that the December 2025 Update is stable than previous releases, but there are always ...