SH5  2021 ARRL-DX-CW JA1ZGO
 
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 Sun
Sunspot numbers
SSN
300
250
200
150
100
50
Feb
2021
01020304050607080910111213141516171819202122232425262728Day
SSN
Hour planetary K indexes
00-03
03-06
06-09
09-12
12-15
15-18
18-21
21-24
A indexes
Created by SH5 v.2.46.1, 07-06-2021
Registered to: JJ1RXC