Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4AUJ callsign genealogy
Currently held by Forrest, Mark B
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 KI4AUJ'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 KI4AUJ.
- Forrest, Mark BTNgranted 2003-07-04cancelled 2004-07-15