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

K8ZBQ callsign genealogy

Currently held by STEWART, MARK A

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 K8ZBQ's current licensee, walking backwards.

  1. AC8EOcancelled· E
    STEWART, MARK AOHgranted 2016-08-30cancelled 2019-12-10
  2. KC8FJHcancelled· E
    STEWART, MARK AOHgranted 2006-09-28cancelled 2009-08-06

Successor callsigns

Callsigns held now by people who previously held K8ZBQ.

No current licensee on record previously held this callsign.