Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KI4DZO callsign genealogy
Currently held by Carbaugh, Charles 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 KI4DZO'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 KI4DZO.
- Carbaugh, Charles JVAgranted 2014-04-10cancelled 2026-04-24