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The ARRL RTTY Roundup is January 3-4, 2026. Rules here.

For a calendar list of all RTTY Contests, click the “Records, Rules & Results” menu above.

DigiRite Update available on Downloads Page
Digital Contesting is Fun by Ed Muns, W0YK/P49X
2Tone version 25.10b is now available on the 2Tone Downloads page.
Excellent RTTY decoder comparison by Mark, ON4WW, on YouTube here.
RTTY Message Length Calculator here.