About DAVIS J L
About Harvard-Smithsonian Center for Astrophysics, Massachusetts
About ELGERED G
About Chalmers Univ. Technology, Onsala, SWE
About NIELL A E
About Massachusetts Inst. Technology, Massachusetts
About KUEHN C E
About Interferometrics, Inc., Virginia
About Radio Science
About electromagnetic wave refraction
About Electromagnetism in general
About Physical properties of gases in general
About 地上
About 設置機器
About 電波屈折
About 傾度