Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4ROC callsign genealogy
Currently held by Yates IV, James W
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 KI4ROC'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 KI4ROC.
- Yates Iv, James WALgranted 2017-02-22