Geomagnetic data
Yoshiwa hourly data(IAGA2002 format)
Enter mm/dd/yyyy
01
02
03
04
05
06
07
08
09
10
11
12
/
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
/
Select data period
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
months
Push DOWNLOAD Button
Available
01/1999 ～ 06/2023
Definitive data
01/1999 ～ 10/2020
Provisional data
11/2020 ～ 06/2023
Geomagnetic data
MT data
Geomagnetic charts
Aeromagnetic data
Report of geomagnetic survey