CSV of calls: Choose a source roster or upload your own CSV. The call sign must be in the first column. Matching is case-insensitive.

Log file: Upload a Cabrillo or ADIF log. N1MM+ Cabrillo and standard ADIF exports are both supported.

Your station call: Enter the call you operated under so it can be excluded from results.

Results: Each matched call is listed with a QSO count and the bands on which you worked them.