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

W8ZH callsign genealogy

Currently held by MARTINEZ, ROBERT O

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 W8ZH's current licensee, walking backwards.

  1. N6PGactive· E
    RIGHTS, SCOTT RCAgranted 2019-02-05
  2. N5WMactive· E
    Sabik, Geoffrey STXgranted 2021-04-29
  3. KF5IOEcancelled· E
    Sabik, Geoffrey STXgranted 2010-09-28cancelled 2011-04-22

Successor callsigns

Callsigns held now by people who previously held W8ZH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W8ZH, oldest first.

  • WOLFE, PAUL D OH
    1997-04-08 → cancelled 2000-08-22
  • MARTINEZ, ROBERT O MI
    2017-01-05 active
← Back to W8ZH License history →