Welcome to the official web site of CQ World Wide RTTY DX Contest.
Held each year on the last full weekend of September, the contest draws over 15,000 participants and over 3,600 log submittals from around the world.
September 27 - 28, 2025
Starts: 0000 UTC Saturday
Ends: 2359 UTC Sunday
Search the online database for any station or operator callsign:
This PVRC-sponsored webinar was held on 19 September 2010 and covered a wide range of topics related to the contest.
Presentation slides(pdf)
Recording (38Mb wmv file).
Identical wording is used for both the RTTY and CW/SSB rules where the intent is the same. However, there are some key differences for the RTTY:
CQ WW RTTY is always the last full weekend of September.
2026: September 26 - 27
2027: September 25 - 26
2028: September 23 - 24
Many of the Cabrillo format problems in submitted logs are from MixW users. There is a new DLL for CQ WW RTTY that must be used. See MixW Notes for details.
The contest rules are available in multiple languages on the rules page.
Note: If you can translate to other languages, please send an email to the contest director.