Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0NDT callsign genealogy
Currently held by MAC DONALD, DONALD R
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 W0NDT's current licensee, walking backwards.
- Voelker, Jerry LMNgranted 2025-11-27cancelled 2026-01-03
Successor callsigns
Callsigns held now by people who previously held W0NDT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0NDT, oldest first.
- MAC DONALD, DONALD R AZ1995-01-10 → cancelled 2007-01-11
- Voelker, Jerry L MN2026-01-03 active