Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4ENG callsign genealogy
Currently held by Munn, Robert K
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 KI4ENG's current licensee, walking backwards.
- MUNN, ROBERT KSCgranted 2023-04-18cancelled 2023-05-06
Successor callsigns
Callsigns held now by people who previously held KI4ENG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4ENG, oldest first.
- MUNN, ROBERT K SC2004-03-15 → cancelled 2016-03-16
- Munn, Robert K SC2023-05-06 active