Contest Analyzer · Blog · #Similar Prefixes

#Similar Prefixes

Similar prefixes are callsign prefixes that look or sound almost the same but belong to different countries or zones. Confusing them gives the wrong multiplier and sometimes the wrong zone, even when the rest of the call is correct. Articles under this tag give examples of pairs that cause trouble and habits that prevent the confusion. They also show how to read your statistics for signs that a prefix was logged wrongly. The examples are general and should be checked against the current country list.

Similar Prefixes That Are Easy to Confuse in ContestsNov 4, 2026 · 7 min read

Similar Prefixes That Are Easy to Confuse in Contests

SV and SV9, EA and EA8, UA and UA9: prefixes that look alike but give different countries or zones. How the confusion costs multipliers…

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