The CQWW 160 is the largest Amateur Radio competition in the world on the top band.
This week end take place the CQWW 160 cw!
OBJECTIVE:
For amateurs around the world to contact other amateurs in as many U.S. states, Canadian provinces, and countries as possible utilizing the 160 meter band.
BAND USE:
1810–2000 kHz in ITU Region 1. 1800–2000 kHz in ITU Regions 2 and 3. All entrants are encouraged to spread out as much as possible, obeying frequency restrictions and power limits for their own country. Any violations of the ITU band use may result in disqualification.
MORE INFO HERE
