Geoid Slope Validation of a Precise Gravimetric Geoid Model for Japan by GNSS/leveling Survey in 2021

Masahiro Nakashima, Kazuki Ichimura, Shuntaro Fukaya, Takashi Toyofuku, Kazuki Sakai, Koji Matsuo, Kumikazu Ochi, Hiroaki Yamamoto, Kenji Yoshida, Syuichi Oomori, Toshiharu Enya, Chiaki Kato, Masato Kuroyanagi, Masami Handa, Takuma Ogawa, Akira Suzuki and Masatoshi Ideto, Geospatial Information Authority of Japan, Ibaraki, Japan