Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4IKX callsign genealogy
Currently held by SUGG, MICHAEL 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 KF4IKX's current licensee, walking backwards.
- Sugg, Michael KNCgranted 2010-12-21cancelled 2011-01-11
Successor callsigns
Callsigns held now by people who previously held KF4IKX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4IKX, oldest first.
- SUGG, MICHAEL K NC1996-04-08 → cancelled 2008-04-09
- Sugg, Michael K NC2020-11-03 active