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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K8RUP callsign genealogy

Currently held by KRUPP, RONALD D

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 K8RUP's current licensee, walking backwards.

  1. KC8MAQcancelled· E
    KRUPP, RONALD DOHgranted 2009-01-02cancelled 2012-03-27

Successor callsigns

Callsigns held now by people who previously held K8RUP.

No current licensee on record previously held this callsign.