3.4. - 3.4. 0400-0800z LZ Open 40m Sprint Contest
http://www.lzopen.com/lzocc40/indexF.htm
3,4.- 4.4. 1200-2359z ARCI Spring QSO Party
http://www.qrparci.org/content/view/8347/118/
3.4. - 4.4. 1500-1500z SP DX Contest
http://www.spdxcontest.info/en/
http://sk3bg.se/contest/pdf/spdx.pdf
3,4, - 4,4, 1600-1600z EA RTTY Contest
http://www.ure.es/contest/430-ea-rtty-contest.html
3.4. - 4.4. 1800-0500z Missouri QSO Party
4.4. 1800-2400z Missouri QSO Party
http://www.w0ma.org/mo_qso_party.htm
4.4. 0700-0830z RSGB RoPoCo 1
http://www.rsgbcc.org/hf/rules/2010/rropoco.shtml
Kristjan, S50XX