HF Doppler Experiment in Japan - 2025/05/20 (140)
Comparison between HF Doppler and Ionosonde Observations
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
01
02
03
04
05
06
07
08
09
10
11
12
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
SAR
SGD
IIT
ORI
KSM
KAK
SGT
FJS
KYO
AWJ
KUR
KOK
ON1
ONA
CHB
