Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4PDF callsign genealogy
Currently held by Farley, Paul 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 W4PDF's current licensee, walking backwards.
- Farley, Paul DKYgranted 2001-03-09cancelled 2002-05-21
Successor callsigns
Callsigns held now by people who previously held W4PDF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4PDF, oldest first.
- ZEITNER, CHARLES M FL1989-08-29 → cancelled 2001-08-30
- Farley, Paul D KY2022-02-24 active