While 2011 Sub 20 FIFA World Cup, some Colombian Radioamateurs will transmit with Special Callsign 5K3CMJ (
http://www.qrz.com/db/5k3cmj). Those radio hams who contact with 5K3CMJ between 0:00z of 29th July 2011 until 23:59z of 20th August 2011; They will be deserving of the special card by confirming contact via QRZ Logbook at
www.qrz.com. Operation in satellite, all HF bands and Modes, SSB, RTTY, and CW. Good DX's.
