Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4KD callsign genealogy
Currently held by JUNG, GERD
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 AF4KD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AF4KD.
No current licensee on record previously held this callsign.