Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9JEC callsign genealogy
Currently held by Cress, John E
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 K9JEC's current licensee, walking backwards.
- Cress, John EWIgranted 2014-11-06cancelled 2023-03-28
Successor callsigns
Callsigns held now by people who previously held K9JEC.
- CARROLL, JAMES EMNgranted 2021-03-09
All historical holders
Every license row we've seen with the callsign K9JEC, oldest first.
- CARROLL, JAMES E WI2015-04-24 → cancelled 2021-03-09
- Cress, John E WI2023-03-28 active