Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF1KI callsign genealogy
Currently held by NITZKE, JOHN B
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 KF1KI's current licensee, walking backwards.
- NITZKE, JOHN BMAgranted 2010-02-26cancelled 2016-09-27
Successor callsigns
Callsigns held now by people who previously held KF1KI.
No current licensee on record previously held this callsign.