WCA international page: http://www.wcagroup.org/ENG/main.html
S5 HAM radio forum: http://forum.hamradio.si
S5 WCA Facebook site: https://www.facebook.com/pages/S5-WCA-S5-Castles-On-The-Air/
Send WCA spot: http://wca.hamradio.si/wp-content/poslji_spot.php