Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4ZZ callsign genealogy
Currently held by DAPOLITO JR, WILLARD
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 KD4ZZ's current licensee, walking backwards.
- DAPOLITO JR, WILLARDNCgranted 2022-10-13cancelled 2022-12-13
Successor callsigns
Callsigns held now by people who previously held KD4ZZ.
No current licensee on record previously held this callsign.