Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0EC callsign genealogy
Currently held by KLINKEFUS, JON M
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 AC0EC's current licensee, walking backwards.
- KE0THMcancelledMuscatine County Amateur Radio Emergency ServiceIAgranted 2018-10-15cancelled 2018-12-18
Successor callsigns
Callsigns held now by people who previously held AC0EC.
- KLINKEFUS, JON MIAgranted 2026-04-14
All historical holders
Every license row we've seen with the callsign AC0EC, oldest first.
- KLINKEFUS, JON M IA2005-12-19 → cancelled 2006-03-31
- Muscatine County Amateur Radio Emergency Service IA2018-12-18 active