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

K0ZSH callsign genealogy

Currently held by Heinert, Zachary 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 K0ZSH's current licensee, walking backwards.

  1. KD0ZSHcancelled· G
    Heinert, Zachary SNDgranted 2010-08-24cancelled 2011-03-22
  2. KD0MMCcancelled· T
    Heinert, Zachary SNDgranted 2010-07-29cancelled 2010-08-24

Successor callsigns

Callsigns held now by people who previously held K0ZSH.

No current licensee on record previously held this callsign.

← Back to K0ZSH License history →