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

W8OOO callsign genealogy

Currently held by Zebrowski, Adam

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 W8OOO's current licensee, walking backwards.

  1. KE8GPJcancelled· T
    Zebrowski, AdamMIgranted 2017-04-03cancelled 2017-10-14

Successor callsigns

Callsigns held now by people who previously held W8OOO.

  1. WM8MMcancelled· E
    NUNN, CHRIS LOHgranted 2015-09-18cancelled 2016-04-26

All historical holders

Every license row we've seen with the callsign W8OOO, oldest first.

  • ARCOM OH
    1998-08-17 → cancelled 2000-08-21
  • NUNN, CHRIS L OH
    2014-09-12 → cancelled 2015-09-18
  • Zebrowski, Adam MI
    2017-10-14 active