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

N9HZ callsign genealogy

Currently held by ZOOK, ROBERT B

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 N9HZ's current licensee, walking backwards.

  1. KC9TSAcancelled
    Brent Zook Memorial GroupINgranted 2011-02-28cancelled 2011-03-22

Successor callsigns

Callsigns held now by people who previously held N9HZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9HZ, oldest first.

  • ZOOK, ROBERT B IN
    2005-03-02 → cancelled 2010-12-30
  • Brent Zook Memorial Group IN
    2021-04-19 active