Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WZ9D callsign genealogy
Currently held by DE CLERK, FRANK E
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 WZ9D's current licensee, walking backwards.
- McLaughlin, Owen CFLgranted 2013-02-12cancelled 2013-03-05
Successor callsigns
Callsigns held now by people who previously held WZ9D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WZ9D, oldest first.
- DE CLERK, FRANK E IL2000-11-16 → cancelled 2013-02-13
- McLaughlin, Owen C FL2023-03-07 active