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

N6CZ callsign genealogy

Currently held by Killingsworth, Stephen L

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 N6CZ's current licensee, walking backwards.

  1. AJ6RIcancelled· E
    Smith, Benjamin DCAgranted 2020-10-29cancelled 2021-01-08
  2. KN6LUJcancelled· E
    Smith, Benjamin DCAgranted 2020-10-29cancelled 2020-12-21

Successor callsigns

Callsigns held now by people who previously held N6CZ.

  1. N4BQcancelled· E
    Killingsworth, Stephen LFLgranted 2018-12-18cancelled 2020-07-03

All historical holders

Every license row we've seen with the callsign N6CZ, oldest first.

  • Parr, Joe R CA
    2006-04-07 → cancelled 2018-04-19
  • Killingsworth, Stephen L FL
    2018-05-08 → cancelled 2018-12-18
  • Smith, Benjamin D CA
    2021-01-08 active
← Back to N6CZ License history →