Contest and Events Calendar
http://www.rsgbcc.org/hf/rules/2017/riota.shtml
http://www.rsgbcc.org
http://www.ten-ten.org/index.php/activity/2013-07-22-20-26-48/qso-party-rules
http://www.ten-ten.org
https://www.darc.de/der-club/referate/conteste/wae-dx-contest/en/
http://www.cwops.org/cwopen.html
0000 – 0359z
1200 – 1559z
2000 – 2359z
http://www.jarl.org/English/4_Library/A-4-3_Contests/
http://www.darc.de/der-club/referate/dx/contest/fd/en/
http://www.lzopen.com
http://www.agcw.org/index.php/en/contests-and-cw-activities/straight-key-party-htp