Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4PKN callsign genealogy
Currently held by HEARN, THOMAS R
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 KI4PKN'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 KI4PKN.
- HEARN, THOMAS RSCgranted 2016-03-05cancelled 2018-06-26