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

AC8Z callsign genealogy

Currently held by SCHILBACH, GIRARD

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 AC8Z's current licensee, walking backwards.

  1. AB8KIcancelled· E
    Wiersma, Jeff SMIgranted 1999-06-07cancelled 2001-04-28
  2. KC8FGMcancelled· E
    Wiersma, Jeff SMIgranted 1999-06-07cancelled 2001-04-05

Successor callsigns

Callsigns held now by people who previously held AC8Z.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AC8Z, oldest first.

  • SCHILBACH, GIRARD MI
    1988-01-26 → cancelled 2000-01-27
  • WIERSMA, JEFF S MI
    2021-02-24 active
← Back to AC8Z License history →