uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

WO8O callsign genealogy

Currently held by SHULTIS, DONALD D

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 WO8O's current licensee, walking backwards.

  1. KD8QYMcancelled· E
    Boulis, Lee AOHgranted 2011-09-28cancelled 2015-06-13

Successor callsigns

Callsigns held now by people who previously held WO8O.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WO8O, oldest first.

  • SHULTIS, DONALD D MI
    2003-05-02 → cancelled 2013-05-24
  • Boulis, Lee A OH
    2025-05-22 active