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

W6ZI callsign genealogy

Currently held by De Perio, Ronald S

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 W6ZI's current licensee, walking backwards.

  1. AA8Wactive· E
    HARRISON, Andrew DPAgranted 2023-05-19
  2. AA8WMcancelled· E
    HARRISON, ANDREW DPAgranted 2021-01-01cancelled 2023-05-19
  3. KC3QMVcancelled· E
    HARRISON, ANDREW DPAgranted 2020-11-17cancelled 2021-01-01

Successor callsigns

Callsigns held now by people who previously held W6ZI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W6ZI, oldest first.

  • RUNELS, RONALD L OK
    2010-07-09 → cancelled 2022-10-04
  • De Perio, Ronald S CA
    2022-10-22 active
  • JOSEPH, DAVID G
    — → cancelled 1998-09-09
← Back to W6ZI License history →