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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KM1KU callsign genealogy

Currently held by CARROLL, THOMAS O

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KM1KU's current licensee, walking backwards.

  1. KC1ICEcancelled· E
    CARROLL, THOMAS OCTgranted 2017-09-14cancelled 2026-04-24

Successor callsigns

Callsigns held now by people who previously held KM1KU.

No current licensee on record previously held this callsign.