EnglishIONOSPHERIC DATA IN JAPAN
“Ionospheric Data in Japan” is a monthly data book which contains summary plots and characteristics of ionosphere by using four domestic (Wakkanai, Kokubunji, Yamagawa, Okinawa) ionospheric observations.
※Please note that the service might be temporarily unavailable due to due to network congestion
※Solar radio telescope data at Hiraiso is available from here.
Latest Data in Japan
| Month/Year | Title |
| March 2023 |  March 2023 Vol.75 No.03 |
| February 2023 | February 2023 Vol.75 No.02 |
| January 2023 | January 2023 Vol.75 No.01 |
Data Archives
-
2020-2022 (vol.72-vol.74)
-
2022 vol.74
-
2021 vol.73
-
2020 vol.72
-
-
2010-2019 (vol.62-vol.71)
-
2019 vol.71
-
2018 vol.70
-
2017 vol.69
-
2016 vol.68
-
2015 vol.67
-
2014 vol.66
-
2013 vol.65
-
2012 vol.64
-
2011 vol.63
-
2010 vol.62
-
-
2000-2009 (vol.52-vol.61)
-
2009 vol.61
-
2008 vol.60
-
2007 vol.59
-
2006 vol.58
-
2005 vol.57
-
2004 vol.56
-
2003 vol.55
-
2002 vol.54
-
2001 vol.53
-
2000 vol.52
-
-
1990-1999 (vol.42-vol.51)
-
1999 vol.51
-
1998 vol.50
-
1997 vol.49
-
1996 vol.48
-
1995 vol.47
-
1994 vol.46
-
1993 vol.45
-
1992 vol.44
-
1991 vol.43
-
1990 vol.42
-
-
1980-1989 (vol.32-vol.41)
-
1989 vol.41
-
1988 Vol.40
-
1987 Vol.39
-
1986 Vol.38
-
1985 Vol.37
-
1984 Vol.36
-
1982 Vol.34
-
1981 Vol.33
-
1980 Vol.32
-
-
1970-1979 (vol.22-vol.31)
-
1979 vol.31
-
1978 vol.30
-
1977 vol.29
-
1976 vol.28
-
1975 vol.27
-
1974 vol.26
-
1973 vol.25
-
1972 vol.24
-
1971 vol.23
-
1970 vol.22
-
-
1960-1969 (vol.12-vol.21)
-
1969 vol.21
-
1968 vol.20
-
1967 vol.19
-
1966 vol.18
-
1965 vol.17
-
1964 vol.16
-
1963 vol.15
-
1962 vol.14
-
1961 vol.13
-
1960 vol.12
-
-
1946-1959 (Vol.1-vol.11)
-
1959 Vol.11
-
1958 vol.10
-
1957 vol.9
-
1956 vol.8
-
1955 vol.7
-
1954 Vol.6
-
1953 Vol.5
-
1952 Vol.4
-
1951 vol.3
-
1950 vol.2
-
1949 vol.1
-
1946, 1947, 1948
-
