Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN0JI callsign genealogy
Currently held by RATZLAFF, NOJI
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 KN0JI's current licensee, walking backwards.
- RATZLAFF, NOJIUTgranted 2013-05-09cancelled 2013-06-22
Successor callsigns
Callsigns held now by people who previously held KN0JI.
No current licensee on record previously held this callsign.