3 ms·I always thought it was because OG hams had some sort of regional accent and would say hamateur.by xattt 2y agoI always thought it was because OG hams had some sort of regional accent and would say hamateur.gaze 2y agooh maybe. There's maybe multiple stories, but none of them that I've heard involve it being an acronym.dhosek 2y agoIt’s because amateur radio operators also enjoy Serrano ham.