< Ionogram viewer >
Data kind:
Vertical
Oblique
Oblique->Vertical
Error rate
Transmit station
(When you do not select [Vertical]):
Wakkanai
Kokubunji
Yamagawa
Okinawa
Syowa
Receive station:
Wakkanai
Kokubunji
Yamagawa
Okinawa
Syowa
Polarize:
No separate/Synthesize
Separate
Size:
Normal
Small
Color:
Color
Color(2)
Gray scale
Noise reduction:
On
Off
Ruler:
On
Off
Interval:
15s
30s
1m
5m
15m
1h
3h
6h
12h
24h
Auto
Date:
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
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
1
2
3
4
5
6
7
8
9
10
11
12
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
0
15
30
45
Action:
animation interval:
(s)
action/