The following contest PDF certificates are available.
(Score 0 problems were fixed)
2003-2019CW (updated at 2020-03-05)
If you are the winner of above contests, please enter
Then all the certs will be listed.
You'll be able to download them each PDF Certificate file.
If you have any problem, let Chairman (Tack, JE1CKA) know.
(replace % with @, _dot_ with .)