Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4IWO callsign genealogy
Currently held by BALL III, DONALD J
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 KC4IWO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC4IWO.
- BALL III, DONALD JMAgranted 2023-02-14