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

KZ4QX callsign genealogy

Currently held by King, Bruce M

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 KZ4QX's current licensee, walking backwards.

  1. KD2BMKcancelled· E
    King, Bruce MFLgranted 2020-09-09cancelled 2025-03-10
  2. KD8OTWcancelled· T
    King, Bruce MMIgranted 2010-09-16cancelled 2010-10-05

Successor callsigns

Callsigns held now by people who previously held KZ4QX.

  1. W3BMKactive· E
    King, Bruce MFLgranted 2025-03-29
← Back to KZ4QX License history →