Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4ZT callsign genealogy
Currently held by FARMER, CHARLES W
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 AD4ZT's current licensee, walking backwards.
- KE4ABEno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AD4ZT.
- FARMER, CHARLES WKYgranted 2013-04-06cancelled 2025-04-08