IARU Region 2 Area G HF SSB Contest
2200Z-2359Z, Oct 4
International HELL-Contest
1600Z-1800Z, Oct 4 (80m) and 0900Z-1100Z, Oct 5 (40m)
California QSO Party
1600Z, Oct 4 to 2200Z, Oct 5
IARU Region 1 UHF/Microwaves Contest
1400Z, Oct 4 to 1400Z, Oct 5
Russian WW Digital Contest
1200Z, Oct 4 to 1159Z, Oct 5
Worked All Provinces of China DX Contest
0600Z, Oct 4 to 0559Z, Oct 5
Oceania DX Contest, Phone
0600Z, Oct 4 to 0600Z, Oct 5
TRC DX Contest
0600Z, Oct 4 to 1800Z, Oct 5
Collegiate QSO Party
0000Z, Oct 4 to 2359Z, Oct 5
LZDX Contest • Re: LZ DX 2025
K1USN Slow Speed Test
2000Z-2100Z, Oct 3
German Telegraphy Contest
0700Z-1000Z, Oct 3
NCCC Sprint
0230Z-0300Z, Oct 3
Weekly RTTY Test
0145Z-0215Z, Oct 3
NCCC FT4 Sprint
0100Z-0130Z, Oct 3
URC DX RTTY Contest
0000Z to 2400Z, Oct 3
LZDX Contest • LZ DX 2025
HF/КВ • Re: YU DX Cotest 2025
SKCC Sprint Europe
1900Z-2100Z, Oct 2