Contestes Internacionais Dezembro 2023
| Concurso | Data | Site |
| ARRL 160-Meter Contest | 2200Z, Dec 1 to 1600Z, Dec 3 | http://www.arrl.org/160-meter |
| PRO CW Contest | 1200Z, Dec 2 to 1159Z, Dec 3 | http://www.procontestclub.ro/PCC%20Rules.html |
| FT Roundup | 1800Z, Dec 2 to 2359Z, Dec 3 | http://www.rttycontesting.com/ft8-roundup/rules/ |
| PODXS 070 Club Triple Play Low Band Sprint | 0000Z, Dec 9 to 2359Z, Dec 11 | http://www.podxs070.com/o7o-club-sponsored-contests/triple-play-low-band-sprint |
| ARRL 10-Meter Contest | 0000Z, Dec 9 to 2400Z, Dec 10 | http://www.arrl.org/10-meter |
| TRC Digi Contest | 0600Z, Dec 9 to 1800Z, Dec 10 | https://trcdx.org/rules-trc-digi/ |
| SKCC Weekend Sprintathon | 1200Z, Dec 9 to 2400Z, Dec 10 | https://www.skccgroup.com/operating_activities/weekend_sprintathon/ |
| ARI 40/80 Contest | 1300Z, Dec 9 to 1300Z, Dec 10 | http://www.ari.it/en/contest-hf/contest-4080.html |
| 4 States QRP Group Second Sunday Sprint | 0100Z-0300Z, Dec 11 | http://www.4sqrp.com/SSS/sss_rules.pdf |
| EACW Meeting | 1900Z-2000Z, Dec 14 | https://www.eacwspain.es/eacwmeeting/ |
| AGB-Party Contest | 1600Z-1700Z, Dec 15 | http://www.ev5agb.com/contest/agb_party.htm |
| Russian 160-Meter Contest | 1800Z-2200Z, Dec 15 | http://www.topband.ru/rules.htm |
| OK DX RTTY Contest | 0000Z-2400Z, Dec 16 | http://okrtty.crk.cz/index.php?page=english |
| Croatian DX Contest | 1400Z, Dec 16 to 1400Z, Dec 17 | https://www.hamradio.hr/9a-dx-contest/ |
| ARRL Rookie Roundup, CW | 1800Z-2359Z, Dec 17 | http://www.arrl.org/rookie-roundup |
| DARC Christmas Contest | 0830Z-1059Z, Dec 26 | https://www.darc.de/der-club/referate/conteste/weihnachtswettbewerb/en/ |
| RAC Winter Contest | 0000Z-2359Z, Dec 30 | https://www.rac.ca/contesting-results/ |
| YOTA Contest | 1200Z-2359Z, Dec 30 | https://www.ham-yota.com/contest/ |
