Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4ZXI callsign genealogy
Currently held by Schnitzler, Ralf
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 KJ4ZXI's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ4ZXI.
- Schnitzler, RalfSCgranted 2011-02-11cancelled 2011-04-19