Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0CFR callsign genealogy
Currently held by Runzi, 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 K0CFR's current licensee, walking backwards.
- Runzi, Charles FMOgranted 2022-01-10cancelled 2022-02-11
Successor callsigns
Callsigns held now by people who previously held K0CFR.
No current licensee on record previously held this callsign.