Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4MNE callsign genealogy
Currently held by Crizer Jr, Charles F
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 KF4MNE's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF4MNE.
No current licensee on record previously held this callsign.