Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4ZHC callsign genealogy
Currently held by Thomas Sr, Joseph L
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 KI4ZHC'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 KI4ZHC.
- Thomas Sr, Joseph LKYgranted 2007-11-10cancelled 2019-11-13