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

K3ZH callsign genealogy

Currently held by Donohue, John E

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 K3ZH's current licensee, walking backwards.

  1. KB3ZVPcancelled· E
    Donohue, John EMDgranted 2013-01-24cancelled 2013-04-20

Successor callsigns

Callsigns held now by people who previously held K3ZH.

  1. W3VFOcancelled· E
    HUNTLEY, CHRISTOPHER PPAgranted 2011-04-01cancelled 2012-02-14

All historical holders

Every license row we've seen with the callsign K3ZH, oldest first.

  • HUNTLEY, CHRISTOPHER P PA
    2002-12-13 → cancelled 2011-04-01
  • Donohue, John E MD
    2023-02-01 active
← Back to K3ZH License history →