We released the LMT/B4R Commissioning Report in 2024
We have released the LMT/B4R Commissioning and Science Observations Report in 2024. B4R is a 2-mm dual-polarization 2SB heterodyne receiver system (Kawabe et al. 2025, AJ, 170, 350; Yonetsu et al. 2025, arXiv:2511.21845) and the precursor of the FINER receiver system.