Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0OZ callsign genealogy
Currently held by Eckhardt, Douglas L
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 W0OZ's current licensee, walking backwards.
- CHILDERS, DAVID RVAgranted 2012-01-19cancelled 2016-01-15
Successor callsigns
Callsigns held now by people who previously held W0OZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0OZ, oldest first.
- Eckhardt, Douglas L FL2004-09-02 → cancelled 2013-12-24
- CHILDERS, DAVID R VA2025-12-02 active