Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4MO callsign genealogy
Currently held by SISTRUNK, JAY 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 KI4MO's current licensee, walking backwards.
- SISTRUNK, JAY KNCgranted 2017-11-13cancelled 2019-04-27
Successor callsigns
Callsigns held now by people who previously held KI4MO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4MO, oldest first.
- MC KENNA, WILLIAM M FL1994-12-09 → cancelled 2006-12-12
- SISTRUNK, JAY K NC2019-04-27 active