Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4JF callsign genealogy
Currently held by ROTHE, CLAUDE R
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 KN4JF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KN4JF.
No current licensee on record previously held this callsign.