Bulk Editor of Operator Call

Chuck Kraly K0XM

Hi Everyone.
I have a friend who called and he has ACLog for general Logging. He has a problem I am trying to assist with. When he loaded his log from another logger, he merged his old call logs, with his new call logs. I am working with him on
making the logs correct showing which call they were worked with. My question is is there a way to bulk edit the OPERATOR field (we are talking almost 500 qso's)? I have tried ADIF master, and other options, but no luck yet.

Chuck K0XM

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