Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KI4EUT callsign genealogy
Currently held by CALLAHAN, JOHN N
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 KI4EUT's current licensee, walking backwards.
- CALLAHAN, JOHN NVAgranted 1997-10-21cancelled 2004-03-26
Successor callsigns
Callsigns held now by people who previously held KI4EUT.
No current licensee on record previously held this callsign.