Portuguese Navy Day Contest – CT1DBS Memorial: 0900Z, May 13 to 0900Z, May 14
VOLTA WW RTTY Contest: 1200Z, May 13 to 1200Z, May 14
CQ-M International DX Contest: 1200Z, May 13 to 1159Z, May 14
SKCC Weekend Sprintathon: 1200Z, May 13 to 2400Z, May 14
FISTS Saturday Sprint: 1600Z-1800Z, May 13
Canadian Prairies QSO Party: 1700Z, May 13 to 0300Z, May 14
50 MHz Spring Sprint: 2300Z, May 13 to 0300Z, May 14
Reglement sur www.Contestcalendar.com
