| 10-10 Int. Spring Contest, CW | ||
| Status: | Inactive | |
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Mode: | CW | |
| Bands: | 10m Only | |
| Classes: | QRP Low Power High Power Club Mobile | |
| Max power: | HP: >150 watts LP: 150 watts QRP: 5 watts | |
| Exchange: | 10-10 Member: Name + 10-10 number + (state/province/country) Non-Member: Name + 0 + (state/province/country) | |
| QSO Points: | 1 point per QSO with a non-member 2 points per QSO with a 10-10 member | |
| Multipliers: | (none) | |
| Score Calculation: | Total score = total QSO points | |
| E-mail logs to: | tentencontest[at]ten-ten[dot]org | |
| Mail logs to: | Dan Morris, KZ3T
3162 Covington Way Lenoir, NC 28645 USA | |
| Find rules at: | https://www.ten-ten.org/qso-party-rules/ | |
| Cabrillo name: | 10-10-SPRING-CW | |
| Cabrillo name aliases: | 10-10 SPRING CW | |
| Future Dates | ||
| (contest is inactive) | ||
| Historical Dates | ||
| 0001Z, May 3 to 2359Z, May 4, 2025 | ||
| 0001Z, May 4 to 2359Z, May 5, 2024 | ||
| 0001Z, May 6 to 2359Z, May 7, 2023 | ||
| 0001Z, May 7 to 2359Z, May 8, 2022 | ||
| 0001Z, May 1 to 2359Z, May 2, 2021 | ||
| 0001Z, May 2 to 2359Z, May 3, 2020 | ||
| 0001Z, May 4 to 2359Z, May 5, 2019 | ||
| 0001Z, May 5 to 2359Z, May 6, 2018 | ||
| 0001Z, May 6 to 2359Z, May 7, 2017 | ||
| 0001Z, May 7 to 2359Z, May 8, 2016 | ||
| 0001Z, May 2 to 2359Z, May 3, 2015 | ||
| 0001Z, May 3 to 2359Z, May 4, 2014 | ||
| 0001Z, May 4 to 2359Z, May 5, 2013 | ||
| 0001Z, May 5 to 2359Z, May 6, 2012 | ||
| 0001Z, May 7 to 2359Z, May 8, 2011 | ||
| 0001Z, Apr 24 to 2359Z, Apr 25, 2010 | ||
| 0001Z, May 2 to 2359Z, May 3, 2009 | ||
| 0001Z, May 3 to 2359Z, May 4, 2008 | ||
| 0001Z, May 5 to 2359Z, May 6, 2007 | ||
| 0001Z, May 6 to 2359Z, May 7, 2006 | ||
| CW/Digital: 10m: 0001Z, May 7 to 2400Z, May 8, 2005 | ||