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

K6ZCA callsign genealogy

Currently held by Zucca 273, Karl J

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 K6ZCA's current licensee, walking backwards.

  1. KN6JMScancelled· T
    Zucca, Karl JCAgranted 2020-06-26cancelled 2020-07-28

Successor callsigns

Callsigns held now by people who previously held K6ZCA.

No current licensee on record previously held this callsign.