Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2CI callsign genealogy
Currently held by Schaeuffelhut, Friedrich J
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 K2CI's current licensee, walking backwards.
- Schaeuffelhut, Friedrich JPAgranted 2018-02-02cancelled 2018-09-18
Successor callsigns
Callsigns held now by people who previously held K2CI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2CI, oldest first.
- Powers, Robert FL2006-06-01 → cancelled 2018-08-29
- Schaeuffelhut, Friedrich J NC2018-09-18 active